SQL Quantum Leap

Quite often people will use, or will recommend using, a binary Collation (one ending in “_BIN” or “_BIN2“) when wanting...

2017-07-13

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Impact on Indexes When Mixing VARCHAR and NVARCHAR Types

You may have heard, or read, that you should not mix VARCHAR and NVARCHAR datatypes, especially when one of them...

2017-07-10

2,330 reads

A few weeks ago, I began answering every single T-SQL Tuesday from the beginning....

I started to add a daily coping tip to the SQLServerCentral newsletter and to...

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There are about thirty fields in a table SaleOrderLines, I created some indexes ,...

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