SQL Tutorial > SQL SUB QUERIES

Correlated Select, Update & Delete Queries

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A correlated select, update, and delete query is a type of SQL query that lets you delete all the rows from a table that are related to a specific row in another table.

This is how it works:

  • SELECT * FROM t1 WHERE id=2;
  • SELECT * FROM t2 WHERE id=1;
  • DELETE FROM t1 WHERE id=2;

With the help of artificial intelligence, you can now get a list of relevant questions to ask your customers or prospects. This will help you to improve your marketing campaign and increase the chance of getting more leads.

The algorithm can be used to generate content ideas for a specific topic or niche. The tool can also be used by digital agencies to generate content for their clients. The algorithm is able to generate content based on the keywords and topics that it has been trained on. This ensures that the generated content is relevant and up-to-date.

A delete query was used to remove a record from the database. Nowadays, it is used to remove content from a website. Update queries can be used by developers to make changes to their application without having to write code for each change. Update queries are also helpful during testing when you want to see how an application has changed after making changes to it.

C correlated select, update, and delete queries are the three most common SQL statements that you use when you need to update multiple rows in a table.

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nayazbasha sk
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very useful thank you learnvern

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Mahima Patel
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very usefull......thanks

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Priya Kushwaha
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Very Good trainer

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chanchal singh
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you guys are doing nice job. thanks

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Umesh Wankhede
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Not too much interactive

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Monesh Ram
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Well Explained in Every Chapters..

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GAJANAN DIGAMBAR MODE
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very easy to understand SQL its was dream to learn SQL. Thanx for Learnvern

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Mohmad Shadab
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BEST VIDEOS

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NAGASWETHA
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very useful

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mohd aamir
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Hi Team, Why you didn't teach/learn how to write select query, even you shared 15 question for practice :(

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  5. SQL Correlated Subqueries Part 3
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  6. SQL Correlated Subqueries Part 4
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