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Using hash values in SSIS to determine when to insert or update rows

A common method to detect if a row has changed is to compare hashes. Integration Services itself doesn’t have a hash implementation, so in this tip I’ll show how you can implement a hash detection mechanism using a script component, as an alternative to the pure T-SQL solution.  Read more...
By Additional Articles 2014/02/25 | Source: MSSQLTips.com | Category: hash
Rating: (not yet rated)  Rate this |   Briefcase | 2,596 reads

An Implementation of the FNV1a Hash Algorithm for SQL Server

Three CLR-resident functions for 16-, 32-, and 64-bit FNV1a hashing  Read more...
By Bret Lowery 2012/02/20 | Source: SQLServerCentral.com | Category: sqlclr
Rating: |  Discuss |   Briefcase | 4,139 reads
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