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SELECTING DATA IN SQL VIDEOS▼
- SQL Queries Part 1 - Writing basic queries
- SQL Queries Part 2 - Sorting queries in SQL
- SQL Queries Part 3 - Using Criteria in Queries
- SQL Queries Part 4 - Creating Calculations in Queries
- SQL Queries Part 5 - Using CASE Statements
- SQL Queries Part 7 - Using Functions in Queries
- SQL Queries Part 8 - Calculations with Text
- SQL Queries Part 9 - Calculations with Dates
- SQL Queries Part 6 - Using Joins in Queries
- SQL Queries Part 10 - Grouping and Aggregating Data
- SQL Queries Part 11 - Subqueries
- SQL Queries Part 12 - Correlated Subqueries
Selecting data in SQL videos | SQL Queries Part 11 - Subqueries
Posted by Andrew Gould on 20 August 2012
The idea of a subquery is pretty simple: it's just one query nested inside another. If that doesn't sound particularly useful then you should watch this video to find out why it is! You'll learn how to place a subquery in a SELECT list or a WHERE clause, how to add criteria to a subquery, and how to handle subqueries which return multiple values.
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