Subquery Magic: Write awesome SQL, Master T-SQL Sub Queries

Subquery Magic: Write awesome SQL, Master T-SQL Sub Queries

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.   

Take the mystery out of subqueries & take your SQL to the next level. Use SQL Server & write data driven nested queries.

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What you will learn

• Write subqueries and use them in various parts of a query, such as the FROM, WHERE, and HAVING clauses.
• Gain the confidence to know when and how to use a sub query.
• Solve problems, otherwise impossible to solve using SQL alone, using sub queries.

Rating: 4.5

Level: Beginner Level

Duration: 2 hours

Instructor: Kris Wenzel