2024-12-06
620 reads
2024-12-06
620 reads
There are many great tutorials on syntax, performance, and keywords for invoking subqueries. However, I wish to discover a tip highlighting selected SQL subquery use cases. Please briefly describe three SQL subquery use case examples. For each use case, cover how a subquery interacts with outer queries and the T-SQL for implementing the use case. Review excerpts from each example to show the value of implementing the use case.
2023-04-14
2019-11-08
1,134 reads
In this part of the temporary data store tip series we look at using subqueries to select data as well as how to use for inserts, updates and deletes.
2019-05-22
This stairway level will expand on the subquery topic by discussing a type of subquery known as a correlated subquery, and explores what a correlated subquery is and how it is different from a normal subquery.
2019-05-08 (first published: 2014-03-05)
20,529 reads
2013-05-09
2,229 reads
2013-03-08
2,356 reads
2013-01-11
2,710 reads
2011-09-19
3,085 reads
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Comments posted to this topic are about the item The Duplicate Cursor
Can I run this code:
DECLARE ANewTable CURSOR FOR SELECT * FROM ANewTableSee possible answers