Generating Absurd Numbers Of Columns

Kevin Feasel

2016-08-25

T-SQL

Brent Ozar wants to generate SmallInt.Max columns:

Alright, so we’ve learned that I can’t return more than 65,535 columns, AND I can only use 4,096 elements in my SELECT. I can think of several workarounds there – 65,535 / 4096 = about 16, which means I could create a few tables or CTEs and do SELECT *’s from them, thereby returning all 65,535 columns with less than 4,096 things in my SELECT. But for now, we’ll just start with 4,096 things in my SELECT:

If you think you need 65K columns returned, I refer you to Swart’s Ten Percent Rule.

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