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EXIST Function in SQL
 
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Join Discussion: http://www.techtud.com/video-lecture/exist-function-sql IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 35843 Techtud
Let's Learn SQL! Lesson 82 : EXIST and NOT EXIST Subqueries
 
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Explore SQL with Tom Coffing of Coffing Data Warehousing! In this lesson, learn about EXIST and NOT EXIST Subqueries!
095- Oracle SQL 12c: Correlated Subquery / Exists /not exists
 
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تعلم اوراكل حتى الاحتراف EXAM 1Z0-061 EXAM 1Z0-071
Views: 1668 khaled alkhudari
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : SUBQUERY WITH NULL / NOT IN / NOT EXISTS OR OUTER JOIN
 
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This video demonstrates the oracle sql interview question where one need to use either not in, not exists or an outer join to get the desired result. For example if one is asked to fetch records from department table where department_id is not present in employee table
Views: 1954 Kishan Mashru
IN VS EXISTS VS JOIN, performance
 
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This video demonstrates the performance effects of using an exists clause instead of an IN clause, also it shows how we can update a simple sub query having an IN clause with an EXISTS or JOIN statement. It also shows that joining would consider the null data, where as an IN clause would neglect null values. If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below : union and union all : https://youtu.be/n9FqQOd8liY char and varchar2 : https://youtu.be/039qzwjWf4k replace and translate : https://youtu.be/HKYF77BGzOE procedure and function : https://youtu.be/q3LmOenL120 rank and dense_rank : https://youtu.be/WGSX998hZ9M delete and truncate : https://youtu.be/u76wMm2byXo %type and %rowtype : https://youtu.be/MlLUFeZ_3eM
Views: 11781 Kishan Mashru
SQL Error ORA-00942 Table or View Does Not Exist in Oracle Database
 
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How to use Tab View (Data Dictionary) of Oracle Database to solve the SQL Error ORA-00942 Table or View Does Not Exist error in Oracle Database ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/ora-00942 Previous Tutorial ► ------------------------------------------------------------------------- ►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 http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the 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: 6495 Manish Sharma
The SQL EXISTS clause
 
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How to use the EXISTS clause in SQL. For beginners.
Views: 22701 Database by Doug
Oracle PL/SQL - Why does it exist?
 
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Oracle PL/SQL - Why does it exist?
Views: 2440 Chris Ostrowski
How to use exists statement
 
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Hello Friends In this video i'm going to show you how to use exist in subquery step by step.
Views: 5915 OCP Technology
SQL  subqueries - Lesson 8 (EXISTS, NOT EXISTS, ALL, ANY)
 
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Subqueries are nested queries with another main query. Learn how to use subqueries as part of main queries and with aggregate functions using EXISTS | NOT EXISTS, ANY | ALL Links to all SQL Lessons: SQL Lesson 8 - Subqueries https://youtu.be/7DxuPcx-mRI SQL Lesson 6 - JOIN (INNER, LEFT, RIGHT) https://youtu.be/_NrRRzCjFGE SQL Lesson 5 - Constraints (Default, Primary Key, Foreign Key …) https://youtu.be/BtmHISzqYjQ SQL Lesson 4 - GROUP BY, HAVING, String Functions https://youtu.be/zClzY2fE2fA SQL Lesson 3 - Aggregate Functions SUM, AVG etc. https://youtu.be/w1F0UgsYfis SQL Lesson 2 - Logical, Conditional and Arithmetic Operators https://youtu.be/OpRO1atoe84 SQL Lesson 1 - Basics of SQL Queries https://youtu.be/pJCyTBkoIKA
Views: 80 masti supreme
SQL Tutorial for beginners: Difference Between IN and EXISTS Operators in Oracle
 
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Difference Between IN and EXISTS Operators in Oracle SQL Tutorial SQL Tutorial for beginners PLSQL Tutorial PLSQL Tutorial for beginners PL/SQL Tutorial PL SQL Tutorial PL SQL Tutorial for beginners PL/SQL Tutorial for beginners Oracle SQL Tutorial
Views: 587 TechLake
SQL SELECT - 13 - SUBCONSULTAS: EXISTS
 
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Todo lo que necesitas en: http://tutorialesnet.com Redes Sociales: http://tutorialesnet.com/twitter http://tutorialesnet.com/facebook
Views: 6844 TutorialesNET
35. SQL EXISTS, how EXISTS differ from IN
 
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The SQL EXISTS clause How to use the EXISTS clause in SQL. For beginners. How to use exists statement Hello Friends In this video i'm going to show you how to use exist in subquery step by step.
Views: 687 ProSchool
Oracle Sql : Exists Clause
 
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Topic : Exists Clause 19th Video of this Series Comments/Suggestions are welcome get in touch with us, by mailing [email protected] for Upcoming trainings. This is an Unedited Video from the Live sessions on Sql (RDBMS) I will be posting a complete series of these tutorials on this channel, If you would like to be notified every time i post something ; Please subscribe to this channel and press the bell icon.
Views: 35 CodeSmith 001
PL/SQL tutorial 60: Collection Method EXISTS in Oracle Database by Manish Sharma
 
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RebellionRider presents you the latest PL/SQL Tutorial 60 on Collection method EXISTS by Manish Sharma ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/exists-function Previous Tutorial ► ------------------------------------------------------------------------- ►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 http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the 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: 7001 Manish Sharma
SQL EXISTS VE NOT EXISTS KULLANIMI
 
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SQL: EXISTS Condition This SQL tutorial explains how to use the SQL EXISTS condition with syntax and examples. Click the Try It button next to an example to test it for yourself in our SQL Editor. Description The SQL EXISTS condition is used in combination with a subquery and is considered to be met, if the subquery returns at least one row. It can be used in a SELECT, INSERT, UPDATE, or DELETE statement.
Views: 52 gracia heys
EXISTS Condition in Oracle Database
 
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#Exists oracle exists vs in, if exists in oracle, oracle not exists vs not in, difference between in and exists in oracle, case when exists oracle, oracle check if record exists, if not exists in oracle, oracle update where exists
Views: 18 Adam Tech
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : SUBQUERY WITH IN / EXISTS OR SELF JOIN
 
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This video demonstrates the solution of the oracle sql interview question like, find the employees where there manager's salary is more than 15000. This is a classic example of using a subquery or a self join to get the result.
Views: 2522 Kishan Mashru
Difference between Case and Decode
 
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This video tutorial explains on how case statement and decode function are different from each other. Though both of them are used in giving the if-then-else conditional functionality to sql statement, they differ much from each other, this video will walk through each of the difference with appropriate examples. If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below : char and varchar2 : https://youtu.be/039qzwjWf4k replace and translate : https://youtu.be/HKYF77BGzOE procedure and function : https://youtu.be/q3LmOenL120 in and exists : https://youtu.be/REX4IjRYlFw rank and dense_rank : https://youtu.be/WGSX998hZ9M delete and truncate : https://youtu.be/u76wMm2byXo %type and %rowtype : https://youtu.be/MlLUFeZ_3eM
Views: 11897 Kishan Mashru
How to use EXISTS / NOT EXISTS Logical Operator in SQL Server -  SQL Server / TSQL Tutorial Part 125
 
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What is Exists / Not Exists Logical Operator in SQL Server Exists returns TRUE if a subquery contains any rows. EXISTS is used when we want to test for the existence of rows specified by a subquery. 1) EXISTS will return TRUE if subquery contains any rows. That is right, if our subquery will return any rows and we have used EXISTS, the outer query is going to return all rows. 2) Use EXISTS and Join with SubQuery Link to scripts used in SQL Server / TSQL Tutorial Video http://www.techbrothersit.com/2016/06/how-to-use-exists-logical-operator-in.html Check out our website for Different SQL Server, MSBI tutorials and interview questions such as SQL Server Reporting Services(SSRS) Tutorial SQL Server Integration Services(SSIS) Tutorial SQL Server DBA Tutorial SQL Server 2016 DBA Tutorial SQL Server / TSQL Tutorial ( Beginner to Advance) http://www.techbrothersit.com/
Views: 7253 TechBrothersIT
MySQL Tutorial #12 in Hindi: SubQuery(Nested Query) with EXISTS and NOT EXISTS Clause
 
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MySQL Tutorial #12 in Hindi: SubQuery(Nested Query) with EXISTS and NOT EXISTS Clause - Solved Examples MySQL tutorial for Beginners MySQL Installation Guide How to Install MySQL on windows 10
How to use EXISTS and NOT EXISTS in correlated Subqueries in Sql Server
 
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EXISTS in correlated Subqueries in Sql Server, NOT EXISTS in correlated Subqueries in Sql Server
Views: 40 C Plus+
Difference between IN and EXISTS clause in database
 
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Difference between IN and EXISTS clause in database
Views: 623 Techie Savy
#2-  Error ORA-01034: ORACLE not available  ORA-27101: shared memory realm does not exist
 
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Question: I am getting the errors ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist. Cause: Oracle was not started up. SOLUTION : START UP DATABASE. #3- Error ORA 01045 user lacks CREATE SESSION privilege HD https://www.youtube.com/watch?v=pLqASraIMxM
Views: 4974 Houssine Formation
How to connect to an Oracle Database? - Database Tutorial 37
 
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Video 37 - How to connect to a Oracle Database? - Database Tutorial 37 This video explains how to connection to an oracle database. The database, which is Oracle 11g has been installed in a Windows 7 computer.
Views: 117169 Sam Dhanasekaran
IN v/s EXISTS v/s JOIN, which one will give better performance under what condition?
 
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This video demonstrates the performance effects of using an exists clause instead of an IN clause, also it shows how we can update a simple sub query having an IN clause with an EXISTS or JOIN statement. It also shows that joining would consider the null data, where as an IN clause would neglect null values.
Views: 1065 Kishan Mashru
DIFFERENCES BETWEEN IN AND EXISTS OPERATOR
 
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IN AND EXISTS OPERATORS
Views: 2196 SAINAATTH PITTLA
How to Monitor Session in SQL Developer | Oracle SQL Developer Tips and Tricks
 
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How to Monitor Session in Oracle SQL Developer | Oracle SQL Developer Tips and Tricks Oracle SQL Tutorial for Beginners, Oracle Database Tutorial for Beginners, Oracle SQL Developer Tips and Tricks, Oracle Tutorial for Beginners, Oracle Tutorial How to Monitor Session in SQL Developer, How to Monitor Session Using SQL Developer, How to Monitor Session in Oracle SQL Developer, How to Monitor Session Using Oracle SQL Developer, how to check number of connections in oracle, how to check active sessions in oracle, oracle sql developer real time sql monitoring, how to check active session in oracle 11g, sql developer monitor sessions table or view does not exist oracle monitor sql statements how to check query performance in oracle sql developer
Views: 288 Oracle PL/SQL World
How to Resolve Oracle SQL Parent Key Not Found (ORA-02291)
 
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In this video, we’ll explain what the ORA-02291 “parent key not found” error is, see an example, and look at how to resolve it. This error usually happens when we try to insert data into a table. It looks like this: Error is: ORA-02291: integrity constraint (constraint_name) violated - parent key not found So what does this error mean? It means we’re trying to insert data into a child table, and there is no related record in the parent table. If a foreign key has been set up to enforce this relationship, there needs to be a parent to insert a child that refers to it. Watch the video to see an example of this error as well as how to resolve it. For more information on Oracle SQL, refer to the Database Star website here: https://www.databasestar.com/
Views: 2354 Database Star
[Hindi / Urdu] How to install Scott Schema in Oracle 11g Express Edition | Windows
 
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Watch how to install Oracle database 11g Express edition https://youtu.be/U4elje290FE Oracle database express edition doesn't come with any sample schema. In this video, we will install scott schema in Oracle Database 11g Express Edition. Video Language is Hindi. Thanks to http://www.dl-sounds.com/ for providing royalty free audio for video intro. (“The audio files are licensed and approved by Dl-Sounds.com.”) Incoming Search Terms: conn scott/tiger , connect scott/tiger not working, scott does not exist Install scott schema Create scott user Login as scott/tiger
Oracle Database 12c Tutorial 3:Connect HR/SYS user with SQL Developer in Oracle12c Using TNS Service
 
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Learn how to connect HR and Sys User of Oracle database 12c With SQL Developer using TNS service. Connect HR user which is in pluggable database to SQL Developer ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : Previous Tutorial ► Tut 61: How To Unlock HR schema in Oracle Database 12c http://youtu.be/F81gfUnznZY ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►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 [email protected] 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: 53045 Manish Sharma
Pegadinha da Semana Ep. 17 P1 - SQL Exists e Not Exists - Prof. Eduardo Neves 2015
 
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Esta é uma amostra em vídeo de um Curso completo sobre o tema. Mais informações em: http://www.ProvasdeTI.com.br/ Confira também nossa plataforma de simulados para quem está se preparando para Concursos Públicos ou Certificações na área de TI: http://www.Gabaritou.com.br/
Views: 1379 Portal Provas
FIX: ORA-01034 | Oracle Not Available | ORA-27101 | IO ERROR
 
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Please watch: "How to Rank Videos at #1 in Urdu/Hindi 2017, Using Tube Rank Jeet | SEO | Complete" https://www..com/watch?v=65dqd_lNpoc -~-~~-~~~-~~-~- For More Videos, Please Subscribe my Channel: https://www..com/channel/UCimOZdmTEByzJCpU6ARkuFg?sub_confirmation=1 How to connect to a Oracle Database? This video explains how to connection to an oracle database. The database, which is Oracle 11g has been installed in a Windows 7/Linux computer, steps to connect to oracle database through command prompt.....!!!!, In this video you are able to resolve the following oracle database error: 1) ORA-01034: Oracle not available, 2) ORA-27101: Shared memory realm does not exist, 3) IO Error: The network adaptor could not establish the connection, solution of error: Status : Failure -Test failed: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor, - Oracle: TNS Error | Protocol Adaptor Error | No Listner, https://www..com/watch?v=s4C5ZBRzJLQ Website: http://mohammadzohaibsplixed.blogspot.com Emails: [email protected] [email protected] Facebook: https://www.facebook.com/SplixeD (Profile) https://www.facebook.com/MohammadZohaibSplixed (Page) Twitter: https://twitter.com/Mr_Zobi Skype: mohammadzohaibsplixed Song: Dread Pitt - Pyro
Oracle SQL Tutorial 22 - Why Primary Keys Shouldn't Change
 
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In the last video I mentioned that with our database design it is important to make sure that nobody tries to update a user's username. What happens if they do? Nothing horrible, Oracle will just throw an error. That's not such a big deal, but if you are hoping to make some kind of application that allows someone to change their username, this is not the best set up. Why? If you look at the projects table, we have a foreign key that references the username. Let's assume for a moment that Oracle allows you to do anything with your data. That means that if a user updates their username, there will be projects created by users that don't exist. Or a user could change their name to the previous owner. To fix this problem, we would need something such as an ON UPDATE CASCADE command for our foreign key. That would mean that if the user updated their username, the columns that reference that username would also update to the new value. This exists in some database management systems, but this does not exist in Oracle at the time of this video. How do we get around this problem? I'm sure we could conjure up something to allow us to update the username, but the easiest solution is to reference the user_id instead of the username. That way, when the username is updated, nothing changes inside of the foreign key. As a general rule, primary keys should never change. Foreign keys CAN change, but they should not change because a primary key changed. So, if we did happen to use a username as a column, it would be frowned upon if the username had to change because the column it references changes. However, it would be acceptable to change the foreign key if we needed to point to a new entity in the users table. Even if a username is never intended to change, these complications bother a lot of people. You can mitigate these problems by only referencing surrogate keys in foreign keys. This has the downside though that when you retrieve the data, you are going to have to do more work to make the data readable. For example, we had a table that was called project_users. It is essentially a table that says what users are part of what projects. We could have the foreign keys reference the project's name and the user's username. Then when you could say SELECT * FROM project_users. The data would be completely readable without doing anything. If you switch to only referencing surrogate primary keys, you will have a bunch of random numbers that don't mean anything and will have to be joined with other tables…which is really super frustrating when later you have to join a thousand tables to read anything. Which side do you prefer? Pick a side. Choose wisely. I'll see you all in the next video ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ HELP ME! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 5643 Caleb Curry
Основы SQL. SQL подзапросы SELECT и связанные подзапросы в базах данных SQLite. SQL оператор EXISTS
 
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Ранее мы рассмотрели оператор IN и тогда мы сказали, что данный оператор может быть использован для написания подзапросов. Также для подзапросов очень часто используется SQL оператор EXISTS. Оператор EXISTS переводится на русский язык как "существует". Когда мы работали с объектами базы данных, то очень часто использовали конструкции: IF EXISTS и IF NOT EXISTS. Когда оператор EXISTS используется вместе с SQL командой SELECT, то выполняется "проверка на существование" и СУБД определяет: выводить результаты нам на экран или нет. Вообще, подзапросы в SQL можно использовать с любыми операторами и даже использовать подзапрос вместо имени таблицы или имени столбца, так как SELECT всегда нам в качестве результата возвращает таблицу. Рубрика SQLite на сайте: http://zametkinapolyah.ru/zametki-o-mysql/sqlite/ Текстовая версия: http://zametkinapolyah.ru/zametki-o-mysql/ispolzovanie-podzaprosov-v-bazax-dannyx-sqlite-operator-exists-i-select.html Паблик блога в ВК: https://vk.com/zametkinapolyah Тематическая группа в ВК: https://vk.com/zametki_bd Помощь проекту: WMR: R288272666982 WMZ: Z293550531456 Яндекс.Деньги: 410011531129223
LNNVL FUNCTION IN ORACLE SQL
 
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This video is the 5th video in the series of 'working with null', this video explains the working of the lnnvl function in oracle sql with simple and easy to understand example. LNNVL provides a concise way to evaluate a condition when one or both operands of the condition may be null. The function can be used only in the WHERE clause of a query. It takes as an argument a condition and returns TRUE if the condition is FALSE or UNKNOWN and FALSE if the condition is TRUE. LNNVL can be used anywhere a scalar expression can appear, even in contexts where the IS [NOT] NULL, AND, or OR conditions are not valid but would otherwise be required to account for potential nulls. Oracle Database sometimes uses the LNNVL function internally in this way to rewrite NOT IN conditions as NOT EXISTS conditions. In such cases, output from EXPLAIN PLAN shows this operation in the plan table output. The condition can evaluate any scalar values but cannot be a compound condition containing AND, OR, or BETWEEN.
Views: 597 Kishan Mashru
EXISTS Operator in SQL Server
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg Specifies a subquery to test for the existence of rows. In this video you can check Exists and Not Exists with Simple Example
Views: 830 IT Port
Oracle da SQL asoslari 34 NOT IN, NOT EXISTS
 
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Darslar rivojiga hissa qo'shishni istovchilar uchun PayMe: 8600 1309 2342 8959 WEB MONEY ID: Z193564615070 yoki R769659687039
Oracle SQL Programming Lesson 4 in Jinghpaw Language - Set Operators
 
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Compiling SQL queries using Union, Union All, Intercept, Minus, Where Exists, Where Not Exists Operators against the oracle database tables. Please watch in HD format for better video quality. --append/stack data (union,union all) --UNION removes duplicate rows. --UNION ALL does not remove duplicate rows. --Each SELECT statement within the UNION must have the same number of fields in the result sets with similar data types. select 'foo' as test_column from dual union select 'foo' as test_column from dual; select distinct test_column from (select 'foo' as test_column from dual union all select 'foo' as test_column from dual); Select region_name from regions Union Select region_name from regions; select first_name,last_name,job_id,manager_id,salary,deptment_id from employees where department_id in (20,60); --Union /union all select job_id,manager_id,'DEPT 20' as dept from employees where department_id=20 union all select job_id,manager_id,'DEPT 60' as dept from employees where department_id=60; --intersect returns only the rows common to the results of two queries select 'foo' as test_column from dual intersect select 'foo' as test_column from dual; Select region_name from regions; Select region_name from regions intersect Select region_name from regions; -- minus=except returns the rows from the first query that do not exist in the second query select 'foo' as test_column from dual minus select 'foo' as test_column from dual; Select region_name from regions minus Select region_name from regions; select first_name,last_name,job_id,manager_id,salary,'DEPT 20' as dept from employees where department_id=20 minus select first_name,last_name,job_id,manager_id,salary,'DEPT 60' as dept from employees where department_id=60; --complex compound queries Select department_id, count(*) from employees Where department_id in (20,30,40) Group by department_id; Select department_id, count(*) from employees Where department_id in (20) Group by department_id Union all Select department_id, count(*) from employees Where department_id in (30) Group by department_id Union all Select department_id, count(*) from employees Where department_id in (40) Group by department_id; Select department_id, count(*) from employees Where department_id in (20) Group by department_id intersect Select department_id, count(*) from employees Where department_id in (30) Group by department_id minus Select department_id, count(*) from employees Where department_id in (40) Group by department_id; Select department_id, count(*) from employees Where department_id in (20) Group by department_id Union Select department_id, count(*) from employees Where department_id in (30) Group by department_id Union all Select department_id, count(*) from employees Where department_id in (40) Group by department_id; --where exists, in / not exists, not in select e.last_name, e.department_id, e.salary from employees e where exists (select * from departments d where e.department_id=d.department_id); select e.last_name, e.department_id, e.salary from employees e where e.department_id in (select department_id from departments); select e.last_name, e.department_id, e.salary from employees e where not exists (select * from departments d where e.department_id=d.department_id); select e.last_name, e.department_id, e.salary from employees e where e.department_id not in (select department_id from departments);
Views: 42 Hkau Doi
create and use function in sql. not exist PART 8
 
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sql tutorial for beginners. not exists function in sql. part 8 create and use function in sql. not exists sql statement, how to write an sql statement of the records of a table where not exist in other table (child table) in sql statement. sql tutorial for beginners you can use this statement in sql view, sql stored procedure, sql function. ~~~~~~~~~~~~~ Subscriber will be notified when I will upload new tutorials in future. Many more new tutorials coming soon, so stay tuned! https://www.youtube.com/swiftlearn ~~~~~~~~~~~~~ You can also know all the programming techniques, and bug fixing, error solution in my channel Swift learn. The main topics of this channel are c#.net, asp.net, WCF, sql server, crystal report, RDLC report, HTML, CSS, javascript, Android etc. ~~~~~~~~~~~~~ Share this video with anyone if you think as useful. Please leave any suggestions for future tutorials in the comment section below. ~~~~~~~~~~~~~ Connect with me https://www.facebook.com/groups/swiftlearn/ All playlist c# tutorial for beginners Swift Learn https://www.youtube.com/playlist?list=PLINPYKVRUHyXoPn0-4NIdFn8RrQQDdAki c# linq to sql tutorial Swift Learn https://www.youtube.com/playlist?list=PLINPYKVRUHyVsic1g2CUn2pR5aKjNd3Nc asp.net tutorial for beginners full Swift Learn https://www.youtube.com/playlist?list=PLINPYKVRUHyUjmHrYfAq1l8pe5eXhkZqF crystal report c# in sql Swift Learn https://www.youtube.com/playlist?list=PLINPYKVRUHyWao6CC3Eu0srQxJjgkfLsm SQL Tutorial for beginners full Swift Learn https://www.youtube.com/playlist?list=PLINPYKVRUHyVOv6mx6xU7HEgGcfLk4Kmz
Views: 104 Swift Learn
Oracle username and password and Account unlocking
 
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all education purpose videos
Views: 273992 Chandra Shekhar Reddy
09 of 15 SQL Basics with Oracle - Using IN, NOT IN, NULL and NOT NULL
 
05:02
This video shows how to use the IN clause as an alternative to using the OR operators. The IN clause is more compact--it's easier to type and read than multiple OR criteria. Examples of checking for NULL and NOT NUL are also given. (9 of 15) There is also an "Advanced SQL" series. (Search for "databasemec" for tutorials using SQL Server.)
Views: 2961 Jennifer Kreie
Curso Oracle Sql - Video 21 - Subconsultas
 
11:56
Subconsultas. Operador Exist y Not Exist. Cláusula With. Funciones de agrupación en subconsultas.
Oracle 12c Database - How to install Oracle 12c Database in Windows 10
 
12:12
Installation of Oracle 12c database in Windows 10 PC.
Views: 37643 Sam Dhanasekaran
Oracle Database 12c Tutorial  2: How To Unlock HR schema in Oracle Database 12c
 
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Learn how to unlock HR user / Schema in Oracle Database 12c. Step by step procedure of unlocking the HR Schema in Oracle 12c By Manish Sharma a.k.a RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/how-to-unlock-hr-user-in-oracle-database-12c Previous Tutorial ► Tut 60: How To Install 12c On Windows 7: http://youtu.be/T-rCbe1MMG4 ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►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 [email protected] 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: 82383 Manish Sharma
java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
 
03:55
complete tutorial for beginner to Connect Java Application with Oracle database through jdbc
Views: 27924 alam jamal