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Using Check Constraints with Column Sets

2019-03-30 · by Hannah Vernon · in t-sql

In our previous post on how to use columns sets, we saw how to design a simple table with a set of sparse columns representing 3 different groups of columns. Each group of columns represents…

Using Column Sets for Sparsely Populated Columns

2019-03-27 · by Hannah Vernon · in t-sql

SQL Server has a little-known feature called Column Sets that is very useful when dealing with large numbers of sparse columns. Sparse columns are useful when you need a table with many columns where the…

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