Quick Tip: Remove CONVERT\CAST from your WHERE\JOIN clauses
Quick Tip Remove CONVERT/CAST from your WHERE clauses and JOINS when comparing to variables of different data types. Set their data types to match your table definitions before using them as a filter. Optimizing your queries this way will greatly reduce the amount of CPU time, reads, and I/O generated in your queries and allow your code to take better advantage of indexes. Example We are going to create a very simple stored procedure called ConvertExample. In this procedure we will see two things. One, the first procedure we create will declare two variables as VARCHAR( MAX) data types, then… Continue Reading
