Example and Notes
Use this SQL Server example as a starting point for development, troubleshooting, reporting, or maintenance work. Review it against your schema, data volume, permissions, and SQL Server version before using it in production.
The builtin CHECKSUM_AGG function returns the checksum of the values in a group. CHECKSUM_AGG ignores null values. The code below will show you how to use the CHECKSUM_AGG function. For more details on the CHECKSUM_AGG function click here
SELECT CHECKSUM_AGG(Client_Number) As DistinctCount FROM CLIENT
If you need any help implementing this
sql or modifications made for your needs, please
Click Here to get a free
quote for your Microsoft
SQL Development needs.
Production Review
WSI can adapt this script for your database, improve error handling, tune performance, document the logic, and help deploy it safely.