SQL Fundamentals SQL Fundamentals

SELECTing Columns Exercise

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The "SELECTing Columns Exercise" Lesson is part of the full, SQL Fundamentals course featured in this preview video. Here's what you'd learn in this lesson:

Since selecting all columns in a table is inappropriate for a production app, Mike shows how to explicitly pick which columns are needed for several collections of data that the app needs, and shows the improved performance gained.

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