Subquery Magic: Write awesome SQL, Master T-SQL Sub Queries
- 4.3
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Brief Introduction
Take the mystery out of subqueries & take your SQL to the next level. Use SQL Server & write data driven nested queries.Description
In this Course you will Learn to:
Know and understand subqueries
Identify subqueries in SQL
Use subqueries in your select statement
Use subqueries in the WHERE clause with EXISTS and IN
Use subqueries with SUM, MAX and other Aggregate functions in GROUP BY and HAVING
Write correlated subqueries (this is a big deal)
Nothing is worse than
Being excited to learn something new but not knowing where to start.
Wasting time learning the wrong features.
Being overwhelmed with options and not know which to use.
Imagine Having...
Knowledge - Knowing how to quickly use subqueries to take your SQL to the next level.
Confidence - Feeling good that you’re on the right track.
Accomplishment - Having a sense of accomplishment that you've learned something most can not.
Fun - Actually having fun learning SQL subqueries!
By the time you’ve completed this course you’ll have an appreciation of subqueries, overcome your fear, and able to write correlated queries to make your SQL more robust.
Requirements
- Requirements
- You should already be familiar with SELECT, GROUP BY, and ORDER BY clauses
- Access to a PC running Windows 7, 8, or 10
Kris Wenzel
4.3 Raiting
Subquery Magic: Write awesome SQL, Master T-SQL Sub Queries
- 4.3
-
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![]()
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Take the mystery out of subqueries & take your SQL to the next level. Use SQL Server & write data driven nested queries....
