Data cleanup

Technical Article

T-SQL script to purge all the tables including foreign key references

  • Script

T-SQL script to purge all the tables including foreign key references. The script has been made smart enough to use TRUNCATE wherever there is no foreign key reference and to use DELETE wherever there is foreign key reference.

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2019-12-10

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Question of the Day

BIT_COUNT() III

In SQL Server 2025, I run this code:

select bit_count(-1)
What is returned?

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