Sub-queries return one value or list of values to the calling or main query. The query within the main query you can call it as a nested query. In my previous post, I have covered – How to Write a Subquery Quickly in SELECT Statement.
The use of WHERE (to filter rows), and DELETE a row very much common in sub-queries. So you can filter rows and delete a row. My examples will give you clear idea on how to write SQL queries. So that you can use in your projects today.
SQL WHERE and DELETE Using Sub-query
Subscribe to get access.
Read more of this content when you subscribe today.
Recent Posts

SQL Query: How to Use LOCATE and Substring Correctly
Here are SQL queries to use the SUBSTRING function along with LOCATE function. LOCATE gives position, and SUBSTRING uses that for the start position.

How to Answer these 6 Python Questions
Here are the basic technical questions you need to face during your Python interviews.

Python Logic to use tell() and seek()
In Python, both tell and seek functions help you get the data from a file. How to use these explained on how to use in your current project.
Download COBOL Tutorial
Related Posts