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Python With Oracle Database
 
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Import CSV data into oracle table using python Reference : http://guideme360.in/2017/08/25/python-oracle-database/ Channel : https://www.youtube.com/c/GuideMe #TheProgrammingGuy#GuideMe360 #python #pythontutorial
Views: 12087 The Programming Guy
How to retrieve data from Oracle database using Python Script cx_Oracle module?
 
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This script will guide you to use cx_Oracle module to retrieve the data from a table.
Views: 4220 Python Hands-On
Python Programming Tutorial - 50: Insert Data Into Tables
 
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In this tutorial we'll learn to populate a MySql table and also to retrieve data from it and display in the python shell.
Views: 20782 The Bad Tutorials
INSERT, UPDATE & DELETE in MySQL using Python
 
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In this tutorial, You'll learn how to perform various database operations of MySQL in Python.
Views: 26140 Akshar Patel
How to connect to Oracle database using Python in Windows.
 
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How to connect to Oracle database using Python in Windows. Program will connect to Oracle 12c database and retrieve data from a table. Link to Oracle 12c client library : https://pypi.python.org/pypi/cx_Oracle/5.1.3 Just chose your version matching your installed python
Views: 36394 Subhroneel Ganguly
Python Pandas connect directly to SQLite, Oracle, IBM Db2, MS SQL Server, PostgreSQL, MySQL
 
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https://www.udemy.com/python-pandas-connect-import-directly-any-database/?couponCode=15PANDASPYTHONSQL click on the link above (discounted course) if you want to connect and import from any database (Oracle, IBM Db2, MS SQL Server, PostgreSQL, MySQL, SQLite). You will also learn how to install each database and each management tools for that database for your practice. Oracle, IBM Db2, MS SQL Server, PostgreSQL, MySQL Oracle SQL Developer, IBM Data Studio, SSMS, pgAdmin, MySQL Workbench, DB Browser for SQLite.
Views: 6963 Code Pro
Psycopg2 (Python) w/ PostGreSQL
 
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Quick programming video.
Views: 2261 RemyEls
Python Advanced Tutorial 8 - Database Interaction
 
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This is tutorial covering how to set up and start talking with a database with python. All Links and Slides will be in the description. Subscribe for more cool stuff! Slides & files - https://www.mediafire.com/folder/dsnd3o41sz1we/Tutorial_8_-_Database_Interaction Python - http://python.org/ Ubuntu - http://www.ubuntu.com/ If you like what you see be sure to subscribe and thumbs up!
Views: 81635 DrapsTV
Introduction to Python - Oracle Database connection
 
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Hello Guys! Today we are going to see how to establish conection between Python and Oracle DataBase. First of all you need to install 1. Python 3.4.x version (ignore if already have) 2. cx_Oracle 3. Oracle 11 g express edition I already have them for demonstration! The download link is provided in the description below! Then to check the installation and connectivity open Python IDLE: So you saw that there was no error and the connection was established ! To see your tables in the system database go to sql command line prompt! So now you can create your own tables and start creating your own DataBase Management Systems! That is it! Thanks For Watching! I will see you in the next video! Download link: 1. Python: https://www.python.org/downloads/ 2. cx_Oracle: https://pypi.org/project/cx_Oracle/ 3. Oracle 11 g EE: https://www.oracle.com/technetwork/database/enterprise-edition/downloads/112010-win64soft-094461.html Tags(ignore): Welcome to Python.org Python Tutorial - W3Schools Introduction to Python - W3Schools Python Tutorial - Tutorialspoint Learn Python: Online Courses, Training, Tutorials, Videos - 2018 Python (programming language) - Wikipedia Python Tutorial: Learn Python For Free | Codecademy what is python programming python software python w3schools python tutorial python syntax what is python used for python wiki learn python List of Python software - Wikipedia Python 3.2.2 | Software Downloads | Techworld Using Python With Oracle Database 11g How To: Connect and run SQL queries to an Oracle database from How can I access Oracle from Python? - Stack Overflow cx_Oracle - Python Interface for Oracle Database Library information system Library Management System Expenses Management System How to Connect Python to Oracle using cx_Oracle connect - Data to Fish python connect to oracle 12c connect to oracle database using python python cx_oracle install python connect to oracle without client python cx_oracle insert example python oracle odbc python programming with oracle database pdf import cx_oracle Oracle Python Developer Center Oracle Database for Python Developers, Part 1: cx_Oracle Quick Start ... cx_Oracle - Python Interface for Oracle Database GitHub - oracle/python-cx_Oracle: Python interface to Oracle ... Accessing the Oracle Database with Python Database Programming in Python - open source for you python oracle 12c connect to oracle database using python python connect to oracle without client python cx_oracle install cx_oracle python cx_oracle python example python cx_oracle connect python oracle odbc jarvis rainmeter skin download ,jarvis rainmeter ,circle animation ,jarvis rainmeter windows 10, jarvis rainmeter skin for windows 10 ,jarvis rainmeter wallpaper, jarvis rainmeter skin download for windows 10, jarvis rainmeter for windows 8 ,jarvis rainmeter theme for windows 8, jarvis rainmeter skin ,deviantart, jarvis rainmeter background, jarvis-blue rainmeter theme ,jarvis-blue rainmeter theme download, rainmeter jarvis blue , best jarvis rainmeter , jarvis + iron man blue rainmeter , jarvis blue rainmeter skin , jarvis rainmeter customize ,jarvis rainmeter circle animation download, jarvis rainmeter commands, jarvis clock rainmeter, jarvis rainmeter voice command, jarvis rainmeter weather code ,rainmeter jarvis weather celsius, jarvis analog clock rainmeter, jarvis rainmeter tutorial with voice commands, jarvis rainmeter download, jarvis rainmeter download for windows 7, jarvis rainmeter deviantart ,jarvis rainmeter desktop ,jarvis rainmeter theme download, jarvis rainmeter skin download for windows 7, jarvis rainmeter free download ,jarvis 4.0 rainmeter download, jarvis rainmeter android jarvis and rainmeter, rainmeter jarvis animation ,jarvis ai rainmeter, jarvis audio rainmeter, rainmeter and jarvis interface ,alienware jarvis rainmeter, rainmeter - jarvis and tech-a ,jarvis rainmeter layout, jarvis rainmeter kaskus rainmeter, jarvis hud ,jarvis rainmeter ,mac rainmeter, jarvis music player, rainmeter jarvis mark 2 ,jarvis iron man rainmeter ,jarvis iron man rainmeter skin, jarvis iron man rainmeter theme, iron man jarvis rainmeter modified ,jarvis rainmeter ,jarvis rainmeter ,jarvis ,jarvis rainmeter for windows 10, jarvis rainmeter for windows 8.1, jarvis rainmeter for windows 7 ,jarvis rainmeter for android, jarvis rainmeter for mac ,jarvis rainmeter for xp, jarvis for rainmeter, rainmeter jarvis ,jarvis rainmeter, itunes, rainmeter jarvis interface, rainmeter jarvis iron man, jarvis ironman rainmeter skin, rainmeter jarvis iron man theme, jarvis in rainmeter ,jarvis-shield interface ,rainmeter theme
Views: 35 IntellijProgrammer
Library Information System| Python | Oracle | IntellijProgrammer
 
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Hello Guys! Today We are going to see a demo of the working of a Library Information System. The data is stored in DB. This program works with using Oracle as back end and python as front end. The program allows the Admin of the library to manage the database of the library information system containing information about the students' book details like book_id , book_name ,borrow_date,return_date etc. Hope that is cool! Bye! Tags(ignore): Welcome to Python.org Python Tutorial - W3Schools Introduction to Python - W3Schools Python Tutorial - Tutorialspoint Learn Python: Online Courses, Training, Tutorials, Videos - 2018 Python (programming language) - Wikipedia Python Tutorial: Learn Python For Free | Codecademy what is python programming python software python w3schools python tutorial python syntax what is python used for python wiki learn python List of Python software - Wikipedia Python 3.2.2 | Software Downloads | Techworld Using Python With Oracle Database 11g How To: Connect and run SQL queries to an Oracle database from How can I access Oracle from Python? - Stack Overflow cx_Oracle - Python Interface for Oracle Database Library information system Library Management System How to Connect Python to Oracle using cx_Oracle connect - Data to Fish python connect to oracle 12c connect to oracle database using python python cx_oracle install python connect to oracle without client python cx_oracle insert example python oracle odbc python programming with oracle database pdf import cx_oracle Oracle Python Developer Center Oracle Database for Python Developers, Part 1: cx_Oracle Quick Start ... cx_Oracle - Python Interface for Oracle Database GitHub - oracle/python-cx_Oracle: Python interface to Oracle ... Accessing the Oracle Database with Python Database Programming in Python - open source for you python oracle 12c connect to oracle database using python python connect to oracle without client python cx_oracle install cx_oracle python cx_oracle python example python cx_oracle connect python oracle odbc
JSON In the Oracle Database 12c Release 1 (12.1.0.2)
 
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A really quick look at the ability to store JSON in the Oracle Database 12c Release 1 (12.1.0.2) and accessing it using Python and the Oracle_CX open source driver. You can find the Oracle documentation on it here http://docs.oracle.com/database/121/ADXDB/json.htm#ADXDB6246
Views: 7936 Dominic Giles
Lesson - 59 : Python Advanced - Python  Database Access : Connecting to Oracle Databases
 
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************************************************** Python Core PlayList : https://www.youtube.com/watch?v=_laUbUtzMOs&list=PLxWzQv_1I_ACFomYYjF0HMqmu-w2pyqta Python Advanced PlayList : https://www.youtube.com/watch?v=RSKv-gSKrpA&list=PLxWzQv_1I_ACjp_DGDwHlTZlndqi4cu0_ ************************************************** Python Database Access : Connecting to Oracle Databases: Connecting to Oracle To create a connection to Oracle, perform the following steps: Review the code as follows, which is contained in the connect.py file in the $HOME directory. import cx_Oracle con = cx_Oracle.connect('pythonhol/[email protected]/orcl') print con.version con.close() The cx_Oracle module is imported to provide the API for accessing the Oracle database. Many inbuilt and third party modules can be included in this way in Python scripts. The connect() method is passed the username "pythonhol", the password "welcome" and the connection string. In this case, Oracle's Easy Connect connection string syntax is used. It consists of the IP of your machine and the DB service name "orcl". The close() method closes the connection. Any connections not explicitly closed will be automatically released when the script ends. Sample Projects : https://github.com/SadaLearningHub1/Python3-Core-And-Advanced-Examples
Views: 1100 Sada Learning Hub
Python with Oracle
 
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Oracle connection using Python script from scratch.
Views: 47 Mukunthan Ragavan
How To : Insert Data Into Database In Java Using JDBC With Eclipse IDE
 
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Java Tutorial, how to insert data into oracle database using jDBC with eclipse IDE. Write sample java program using eclipse IDE : https://www.youtube.com/watch?v=_6x8F02pwyE Swapping 2 number without using third variable in java : https://www.youtube.com/watch?v=HXVPu0_6UKw&t=25s
Views: 16381 Aayan Media
Ask TOM Office Hours: Python and Oracle May 1 2018
 
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Python developers building applications on Oracle Database will be delighted with the performance features added in the latest release of cx_Oracle! The theme this month at Office Hours was Batch Statement Execution with executeMany() showing how to supercharge INSERT, UPDATE and DELETE statements. 14:00 - demonstrations by Anthony Tuning 17:00 - key new features in cx_Oracle 6.3 AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. https://asktom.oracle.com/ https://developer.oracle.com/ https://cloud.oracle.com/en_US/tryit music: bensound.com
Views: 123 Oracle Developers
Creating a database, table, and inserting - SQLite3 with Python 3 part 1
 
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Welcome to an SQLite mini-series! SQLite, as the name suggests, is a lite version of an SQL database. SQLite3 comes as a part of the Python 3 standard library. Databases offer, typically, a superior method of high-volume data input and output over a typical file such as a text file. SQLite is a "light" version that works based on SQL syntax. SQL is a programming language in itself, but is a very popular database language. Many websites use MySQL, for example. SQLite truly shines because it is extremely lightweight. Setting up an SQLite database is nearly instant, there is no server to set up, no users to define, and no permissions to concern yourself with. For this reason, it is often used as a developmental and protyping database, but it can and is used in production. The main issue with SQLite is that it winds up being much like any other flat-file, so high volume input/output, especially with simultaneous queries, can be problematic and slow. You may then ask, what really is the difference between a typical file and sqlite. First, SQLite will let you structure your data as a database, which can easily be queried, so you get that functionality both with adding new content and calling upon it later. Each table would likely need its own file if you were doing plain files, and SQLite is all in one. SQLite is also going to be buffering your data. A flat file will require a full load before you can start querying the full dataset, SQLite files don't work that way. Finally, edits do not require the entire file to be re-saved, it's just that part of the file. This improves performance significantly. Alright great, let's dive into some SQLite. https://pythonprogramming.net/sql-database-python-part-1-inserting-database/ Playlist: https://www.youtube.com/playlist?list=PLQVvvaa0QuDezJh0sC5CqXLKZTSKU1YNo https://pythonprogramming.net https://twitter.com/sentdex https://www.facebook.com/pythonprogramming.net/ https://plus.google.com/+sentdex
Views: 204289 sentdex
PL/SQL tutorial 3: SELECT INTO statement in PL/SQL by Manish Sharma RebellionRider
 
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How to initialize the variable by fetching values from the table of the database or by using SELECT INTO statement in PL/SQL by Manish Sharma RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/select-into-statement-pl-sql Previous Tutorial ► Variables: https://youtu.be/2MNmodawvnE ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 112748 Manish Sharma
Python and Oracle Database on the Table
 
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Christopher Jones Senior Principal Product Manager Oracle Python is hot and desirable. The cx_Oracle API for Oracle Database adds spice that hotness. In this session see how cx_Oracle can be used to build functional, high-performance Python apps that make the best use of database functionality and resources.
Views: 251 Oracle Developers
Import data from Excel into MySQL using Python
 
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In this video I demonstrate how to create a Python script that will import data from Excel into MySQL using the xlrd library. Blog article - http://mherman.org/blog/2012/09/30/import-data-from-excel-into-mysql-using-python/
Views: 45927 Michael Herman
CSV file import into Oracle
 
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An example to show how to upload a CSV file into an Oracle database usin SQL Loader.
Views: 72840 WoolFool
Pandas Tutorial 14: Read Write Data From Database (read_sql, to_sql)
 
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Pandas' read_sql, read_sql_table, read_sql_query methods provide a way to read records in database directly into a dataframe. to_sql on dataframe can be used to write dataframe records into sql table. Using sqlalchemy engine, one can interface easily with mysql, postgres, oracle databases. Code link: https://github.com/codebasics/py/blob/master/pandas/21_sql/pandas_sql.ipynb Website: http://codebasicshub.com/ Facebook: https://www.facebook.com/codebasicshub Twitter: https://twitter.com/codebasicshub Google +: https://plus.google.com/106698781833798756600
Views: 11488 codebasics
Python and Databases 6 - SQLite3 - Bulk Loading
 
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Let's learn about how we can bulk load, ie large set of data from a csv file into our SQLite3 database using Python. ------ Channel link: https://goo.gl/nVWDos Subscribe here: https://goo.gl/gMdGUE ---- Join my Facebook Group to stay connected: http://bit.ly/2lZ3FC5 Like my Facebbok Page for updates: https://www.facebook.com/tigerstylecodeacademy/ Follow me on Twitter: https://twitter.com/sukhsingh Profile on LinkedIn: https://www.linkedin.com/in/singhsukh/ ---- Schedule: New educational videos every week ----- Learn Something New: ------ Learn Something New: http://bit.ly/2zSkzGh ----- Learn Something New: ------ Learn Something New: http://bit.ly/2zSkzGh
Views: 1843 Sukhvinder Singh
Introduction to Python for PL/SQL Developers  [Part 1]
 
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Are you a PL/SQL developer who'd like to quickly learn Python? This five-part series will teach you Python by showing how it is the same as or different from PL/SQL. Part 1 provides the basics of Python. The full article and examples can be found on the Oracle Technology Network at https://community.oracle.com/docs/DOC-1007065
Views: 11684 Database Community
Learning PYTHON for PLSQL Developers
 
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Arup Nanda, Oracle ACE Director, Principle of Proligence Consulting This Session presents PYTHON concepts from the PL/SQL perspective, allowing Database Developers to rapidly learn to develop and implement PYTHON applications. ================================= To improve the video quality, click the gear icon and set the Quality to 1080p/720p HD. For more information, see http://www.oracle.com/goto/oll and http://docs.oracle.com Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Oracle DB with Python Basic Installation
 
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Here the Oracle DB installation and python installation is specified
How to configure the python with Oracle 11G Express edition
 
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The download links are : 1.Oracle 11G Express edition file: http://www.oracle.com/technetwork/database/database-technologies/express-edition/downloads/index.html 2.cx_Oracle file : https://pypi.org/project/cx_Oracle/5.2.1/#files 3.Eclipse with Python plugin: refer to my previous video
Views: 63 dinesh ravi
Python tutorial - 17 - Psycopg2 Insert,Update,Delete,Query Postgres Database
 
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This video guides you how to access Postgres database from Python using Psycopg2 module. From python code, developer can insert/update/delete/query/drop tables in Postgres database. There are some steps: 1. Install psycopg2 in terminal(Linux, macOS) 2.Use pg_ctl to connect and start Postgres database service, default port is 5432, but you can choose another port. 3. Define DatabaseConnection class in python file to connect to Postgres database through psycopg2 python module. 4. Define some instance methods to create table, insert new record to table, query records from Postgres database, update existing record with id. 5.Add method for dropping table and check results in Postgres terminal. SUBSCRIBE TO CHANNEL: https://www.youtube.com/c/NguyenDucHoang Twitter: https://twitter.com/NguyenD97601913 Facebook: https://www.facebook.com/nguyen.duc.hoang.bk
Views: 18048 Nguyen Duc Hoang
How to perform DML operations on database using Python script?
 
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This video link describes how can you perform insert/update/delete on the oracle database using cx_oracle module.
Views: 311 Python Hands-On
Inserting variables to database table - SQLite3 with Python 3  | Lecture 16 | Hindi
 
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In this video tutorial, I demonstrate that how we can insert Python variables values into a database table. Download Source Code: https://yogeshdotnet.com/insert-python-variable-values-in-database-table/ My Youtube gears: Headphone with Mic : http://amzn.to/2kUXHSq Best USB Micro phone : http://amzn.to/2gogjsR Another option(cheap) asUSB microphone : http://amzn.to/2yrOsME Microphone with mic under 500: http://amzn.to/2gogV1D Antivirus under 500 : http://amzn.to/2ieKPFV Flipkart Headphone with mic : http://fkrt.it/TVSKWTuuuN Another Option Headphone with mic : http://fkrt.it/!Rt50!NNNN Bluetooth Speakers : http://fkrt.it/Tg4nuTuuuN Flipkart Headphone with mic : http://fkrt.it/TVSKWTuuuN Another Option Headphone with mic : http://fkrt.it/!Rt50!NNNN Bluetooth Speakers : http://fkrt.it/Tg4nuTuuuN Flipkart Headphone with mic : http://fkrt.it/TVSKWTuuuN Another Option Headphone with mic : http://fkrt.it/!Rt50!NNNN Bluetooth Speakers : http://fkrt.it/Tg4nuTuuuN What's app group for latest technologies and trends : https://chat.whatsapp.com/AtlkVqbxOrp1vyewFDOg4x Facebook Page Url : https://www.facebook.com/yogeshdotnetblogs/ Yogeshdotnet also provides online training on the front-end technologies(MEAN Stack, Web Designing - HTML5, JS, Jquery, Bootstrap, NodeJS, Express, Angular 6 with typescript etc. and backend technologies like(ASP.NET MVC and python). For more details visit our website https://www.yogeshdotnet.com or call at 09887575540. Our training programs covered basics and advanced concept and real-time project scenarios. I designed various case studies and assignment which may help candidates to explore himself in learning technologies. I take alternate days classes and problem-solving classes also where we solve problems individually by desktop sharing. The student will get the all recorded sessions with lifetime access to all training sessions and study material. Our quality training programs are not more expensive. We provide training in Hindi & English language, depends on learner interest and comfort.
Views: 1848 Yogesh Sharma
Building Python Messaging Apps with Oracle Database
 
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Nancy Ikeda, Consulting Member of Technical Staff, Oracle Christopher Jones, Senior Principal Product Manager, Oracle Anthony Tuininga, Software Developer 5, Oracle Come see how Python applications and microservices can efficiently communicate asynchronously. Messaging is the key to architectural scalability. The Python cx_Oracle interface provides a flexible, native API for Oracle Advanced Queuing. This session examines this API and presents examples.
Views: 792 Oracle Developers
How to Insert Data in DynamoDB using Python and Boto3
 
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In this video you can learn how to insert data to amazon dynamodb NoSQL. I have used boto3 module. You can use Boto module also. Links are below to know more about the modules and to download the AWS CLI from web. If you want video for any other specific topic, please do comment below. WhatsApp : https://chat.whatsapp.com/6QfGm7bL644KofK2H5bs4z Facebook : https://www.facebook.com/try2catch Blog : https://trycatch55.blogspot.com
Views: 4775 Try2Catch
Django: Saving Form Data into Database
 
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Leave a comment if you have any questions.
Views: 21708 Ayon Rab
How to export CSV data from Oracle database using Python.
 
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How to export data in CSV format from Oracle database using Python. Export CSV data from Oracle 12c release 1 using Python 3.4 in Windows platform. Source Code link : https://drive.google.com/file/d/0BznrW3lgX0ozSENyZ3JOWlBqbnM/view?usp=sharing Link to Oracle 12c client library : https://pypi.python.org/pypi/cx_Oracle/5.1.3. Just chose your version matching your installed python
Views: 3802 Subhroneel Ganguly
Determining insert - Creating a Chatbot with Deep Learning, Python, and TensorFlow p.4
 
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Welcome to part 4 of the chatbot with Python and TensorFlow tutorial series. Leading up to this, we've gotten our data and begun to iterate through it. Now we're ready to begin building the actual logic for inputting the data. Text tutorials and sample code: https://pythonprogramming.net/insert-logic-chatbot-deep-learning-python-tensorflow/ https://pythonprogramming.net/support-donate/ https://twitter.com/sentdex https://www.facebook.com/pythonprogramming.net/ https://www.twitch.tv/sentdex https://plus.google.com/+sentdex
Views: 37702 sentdex
Django Tutorial for Beginners - 13 - Connecting to the Database
 
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Facebook - https://www.facebook.com/TheNewBoston-464114846956315/ GitHub - https://github.com/buckyroberts Google+ - https://plus.google.com/+BuckyRoberts LinkedIn - https://www.linkedin.com/in/buckyroberts reddit - https://www.reddit.com/r/thenewboston/ Support - https://www.patreon.com/thenewboston thenewboston - https://thenewboston.com/ Twitter - https://twitter.com/bucky_roberts
Views: 149396 thenewboston
From Oracle DB to RESTful Web Services
 
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Via REST, you can create APIs that can be accessed and consumed by external applications. Each API provides access to a subset of data in your database. In this screencast, using an OracleDB, you are shown exactly how to do that.
Views: 23461 NetBeansVideos
SQLAlchemy: Connecting to a database
 
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Learn how to connect to your database: https://www.datacamp.com/courses/introduction-to-relational-databases-in-python In the python world, there are several great tools that we can use when working with databases. One of those is SQLAlchemy that we will be using throughout this course. SQLAlchemy will allow us to generate SQL queries by writing Python code. You should still consider learning how to write queries in SQL as well. SQLAlchemy has two main components. The part we will be focusing on is often referred to as "core" part of SQLAlchemy. It's really focused around the relational model of the database. Additionally, there is the Object Relational Model or ORM part of SQLAlchemy that is really focused around data models and classes that you as a programmer create. There are many different types of databases, and each database type has its own quirks and unique capabilities. You'll commonly find SQLite, PostgreSQL, MySQL, Microsoft SQL Server, and Oracle when working with data. SQLAlchemy provides a way to operate across all of these database types in a consistent manner. To connect to a database, we need a way to talk to it, and an engine provides that common interface. To create an engine, we import the create_engine function from sqlalchemy; we then use the create_engine function and supply it a connection string that provides the details needed to connect to a database. Finally once we have an engine, we are ready to make a connection using the connect method on the engine. It's worth noting that SQLAlchemy won't actually make the connection until we give it some work to execute. So to review, an engine is the common interface to the database, which requires a connection string to provide the details used to find and connect to the database. Before we go any further, let's talk a bit more about connection strings. In their simplest form, they tell us what kind of database we are talking to and how we should access it. In this example, you can see that we are using the sqlite database driver and the database file named census_nyc.sqlite which is in the current directory. Now that we have an engine and a connection, we need to know what tables are in the database. We'll start again by importing the create_engine function and creating an engine to our database. Finally, We can use the table_names method of the engine which returns a list of tables. Once we know what table we want to work on, we need a way to access that table with python. To do that we are going to use a handy process called reflection, which reads the database and builds a Table object that we can use in our code. We already have created our engine, so we begin by importing the MetaData and Table objects needed for reflection. The MetaData object is a catalog that stores database information such as tables so we don't have to keep looking them up. To reflect the table, we initialize a MetaData object. Next, we use the SQLAlchemy Table object and provide the table name we got earlier from the table_names method. We also supply our metadata instance, and then instruct it to autoload the table using the engine. Finally, we can use the function repr to view the details of our table that we stored as census. This allows us to see the names of the columns, such as 'state' and 'sex', along with their types, such as VARCHAR and INTEGER. This process of reflection may seem a bit of an overhead, but it will make understanding your databases and extracting information from them far easier downstream. Now it's your turn to practice writing connection strings, connecting to databases and reflecting tables. Then we'll be back here writing our first SQL queries.
Views: 29949 DataCamp
Formatting your Oracle Query Results Directly to CSV
 
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How to get Oracle SQL Developer to automatically format your query results to CSV, HTML, JSON, Insert statements, and more.
Views: 38755 Jeff Smith
Learn Python: Intro to SQL Queries
 
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Learn all about SQL Queries in Python: https://www.datacamp.com/courses/introduction-to-relational-databases-in-python Introduction to SQL The SQL query language can be used to do anything within the database. It can select data, insert new data, update existing data, and delete it. It can also be used to create, alter and delete tables and columns. The first SQL statement we'll learn is the select statement, which provides the basic method of extracting information from your database. The general syntax of a select statement is select COLUMNS from TABLE CONDITIONS. For Example, we can select the pop2008 column from the people table. We can also select all the columns from the people table with a '*'. Let's execute this last query. We'll begin by importing create_engine and creating an engine. Next, we will establish a connection by using the connect method on the engine. Then we can define our select statement and pass it to the execute method on the connection. This gives us an object we can use to fetch the results, which we assign to the variable results_proxy. Then we tell results_proxy to fetch all the results via the fetchall method. Now results will contain all of our data from the people table. Let's pause for just a moment and look at that object that the execute method gave us. That object is called a ResultProxy and it can be used in a variety of different ways to get the data returned by our query. When we use a fetch method, such as fetchall, on the ResultProxy, we get a ResultSet that contains the actual data we asked for in the query. This separation between the ResultProxy and the ResultSet allows us to fetch as much or as little data as we desire. We'll explore this more in a later section. Let's learn how to work with a ResultSet. In this example we are using the results from the prior query. We'll start by getting the first_row of the results using an index of 0. By printing the first row, we can see the data it contains. If we want to know what columns are in the row, we can find out by using the keys method. Finally, we print the value of the state column from the first row, by using the column name as an attribute on the row object. In the prior query example, we wrote a normal SQL statement as a string; however, manipulating a string to build more complex statements can be very overwhelming. The beauty of SQLAlchemy is that it allows us to assemble these complex statements in a Pythonic way. Pythonic refers to code that adheres to the idioms of Python's common guidelines and express its intent in a highly readable way. SQLAlchemy also hides the difference between database types so we can focus on the data we want to work with instead of the differences we might encounter in each database type. Let's rebuild the same query using SQLAlchemy. The first three steps of creating an engine and establishing a connection will be the same. After that, we will need to initialize our metadata and reflect the table as we did previously. Then in line 7, we build our select statement. Hang tight we'll talk more about this in a second. Finally, we execute the statement and fetch all the results. The SQLAlchemy select statement works the same as a SQL select statement, and in its most basic form takes a list of Column or Table objects. For example, stmt = select([census]) will select all the columns of all the rows in the census table. SQLAlchemy generates the same SQL statement we wrote by hand. We can see that by using the print() function on the statement which outputs SELECT * FROM census. Now it's your turn write several SQL queries, both as raw SQL and in the more Pythonic way using SQLAlchemy. We'll be continuing to use the US Census database. Let's practice.
Views: 20931 DataCamp
Programming Interview: B Tree (Introduction, Search and Insert)
 
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This video lecture is produced by S. Saurabh. He is B.Tech from IIT and MS from USA. B Tree definition B Tree Search B tree insertion b tree insertion b tree pdf b tree ppt b tree animation b tree definition b tree applet b tree java To study interview questions on Linked List watch http://www.youtube.com/playlist?list=PL3D11462114F778D7&feature=view_all To prepare for programming Interview Questions on Binary Trees http://www.youtube.com/playlist?list=PLC3855D81E15BC990&feature=view_all To study programming Interview questions on Stack, Queues, Arrays visit http://www.youtube.com/playlist?list=PL65BCEDD6788C3F27&feature=view_all To watch all Programming Interview Questions visit http://www.youtube.com/playlist?list=PLD629C50E1A85BF84&feature=view_all To learn about Pointers in C visit http://www.youtube.com/playlist?list=PLC68607ACFA43C084&feature=view_all To learn C programming from IITian S.Saurabh visit http://www.youtube.com/playlist?list=PL3C47C530C457BACD&feature=view_all
Views: 220022 saurabhschool
Import Data and Analyze with Python
 
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Python programming language allows sophisticated data analysis and visualization. This tutorial is a basic step-by-step introduction on how to import a text file (CSV), perform simple data analysis, export the results as a text file, and generate a trend. See https://youtu.be/pQv6zMlYJ0A for updated video for Python 3.
Views: 192271 APMonitor.com
IoT to the Database: Soldering, ORDS, Oracle Jet, Python and a Little PL/SQL
 
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Presenter: Blaine Carter, Oracle Corporation If you're like me, you use way too much power and you’re not quite sure where. Tracking your power usage is a great start, but analyzing the data is often easiest when it's in a database. Having to type it in by hand would be a pain; let's void a warranty instead!
Views: 110 ODTUG
Beginners tutorial for connecting Oracle Database for Python in Eclipse
 
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This video is continuation of my previous video you can watch it at : https://youtu.be/xdbKx6zpS9M Oracle Database Express Edition 11g Release 2 Download link : http://www.oracle.com/technetwork/database/database-technologies/express-edition/downloads/index.html cx_Oracle 5.2.1 Download link : https://pypi.org/project/cx_Oracle/5.2.1/ NOTE : THIS VIDEO IS ONLY FOR BEGINNERS
Views: 51 K S Manoj
How to delete a Record Table In Oracle database
 
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How to delete a Record Table In Oracle database
Views: 147 latest ITChannel
Use Python and SQL to Query and Alter Tables in Access
 
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Demo of how to use SQL statements in Python to query, insert and delete records in Access tables. The python codes are available at https://github.com/xbwei/Data-Mining-on-Social-Media/tree/master/Access
Views: 4351 Xuebin Wei
Insert data to MongoDB using Python script
 
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The video showing the easy way with Python script to insert data of get information from the MongoDB * Commands: To install MongoDB $ apt install mongodb To install Python $ apt install python-pymongo The link to Python script: https://github.com/mohanad86/mongodb/blob/master/mongo.py
Views: 5152 Cyber - Tech - Tips

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