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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Yadav Aakash
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very useful thank you learnvern

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Ashish
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The course is very good. I have stuck at a point that how you create multiple rows with a single insert in sales.customer table. I get only one customer data. this table is related to bikestore data.

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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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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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  2. SQL Commands
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  3. What is DBMS
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  1. Database Relationships
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  3. SQL Correlated Subqueries Part 1
    20m 21s
  4. SQL Correlated Subqueries Part 2
    30m 51s
  5. SQL Correlated Subqueries Part 3
    30m 45s
  6. SQL Correlated Subqueries Part 4
    25m 7s
  7. SQL Correlated Subqueries Part 5
    19m 42s
  8. Correlated Select, Update & Delete Queries
    33m 15s
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  10. SQL EXCEPT & INTERSECT
    14m 33s
  11. Assignment : SQL SubQueries
    30m 7s

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    24m 50s

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    41m 2s
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    40m 2s
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    23m 32s
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    23m 24s
  5. Using Union with Select Statement
    35m 4s
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    22m 42s
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  8. Insertion from Multiple Tables
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  9. SQL Delete - Types of Delete Operation Part -1
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  10. SQL Delete - Types of Delete Operation Part -2
    11m 38s
  11. Assignment : SQL Insert, Update & Delete
    7m 24s

  1. Loading & Connecting Different Files in SQL
    11m 18s

  1. Course Summary
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  1. Interview Questions Part 1
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  1. Career Guideline
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