explanation: 'A <strong>scalar</strong> subquery returns exactly one value. Here the inner query computes the average order amount (115), and the outer query keeps ...
1. What is a Subquery? A subquery is a SQL query written inside another SQL query. In simple language, a subquery helps us use the result of one query inside another query. For example, suppose we ...
T-SQL (Transact-SQL) is a set of programming extensions from Sybase and Microsoft that add several features to the Structured Query Language (SQL), including ...
Note: This example uses a Version 6 view descriptor with the Pass-Through Facility to access DBMS data. Beginning in Version 7, you can associate a libref directly with your DBMS data and use the ...