Subquery Magic: Write awesome SQL, Master T-SQL Sub Queries
- 3 hours on-demand video
- 2 articles
- 25 downloadable resources
- Full lifetime access
- Access on mobile and TV
- Certificate of Completion
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- 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 to use a sub query.
- Solve complex problems, such as incorporating one query's results, into another's filter criteria.
- How to write a correlated subquery (this is a big deal)
- Solve problems, otherwise impossible to solve using SQL alone, using sub queries.
Welcome to Subquery Magic. My goal is to help take the mystery out of subqueries and show you there is no magic to them at all!
By the time you have completed the course, you will have a thorough understanding of subqueries, be able to write your own, and know when it’s best to use them.
- You should already be familiar with SELECT, GROUP BY, and ORDER BY clauses
- Access to a PC running Windows 7, 8, or 10
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.
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.
- Beginner SQL query authors curious about subqueries.
- If you're struck writing subqueries or baffled by correlated subqueries, then this course is for you!