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A colleague pointed me to a nice cheat sheet for SQL Server developers. It contains:
– A checklist for writing fast queries
– Sargability of queries
– A checklist for creating indexes
– A legend of the ‘Execution Plan Icons’, including some optimizing tips and tricks.
– All datatypes, including memory-usage and indication for best performing types
– All string functions
– All system functions
– All date and time functions
– A list of all dateparts
– The cursor functions
– The mathematical functions
Source: http://www.dotnet4all.com/snippets/2008/04/factsheet-for-sql-server-developers.html
Direct link: http://www.dotnet4all.com/snippets/factsheet%20SQL%20Server.pdf