We all understand the value of Unit Testing, but how come so few organisations maintain unit tests for their in-house applications? We can no longer pretend that unit testing is a universal panacea for ensuring less-buggy applications. Instead, we should be prepared to actively justify the use of unit tests, and be more savvy about where in the development cycle the unit test resources should be most effectively used.
Three CLR-resident functions for 16-, 32-, and 64-bit FNV1a hashing
In SQL Server, we treat XML with a reverence that is disproportionate to its importance. The SQL Server team have indeed gone big on XML, as Michael Cole’s book reveals. The industry has gone big in another direction: JSON.
The challenge is to identify the sequence of accounting transactions.
The majority of companies that suffer a major data loss subsequently go out of business. Wesley David remembers vividly the day when the organisation he worked for found that they couldn't restore their data, and the subsequent struggles that ensued. Shoulda-woulda-coulda.
Come to a free day of SQL Server training on Feb 25, 2012 in Redmond, WA.
Options and impacts when creating, altering and dropping an index
By Steve Jones
I wrote about learning today for the editorial: I Can’t Make You Learn. I...
By ReviewMyDB
Fabric has CI/CD built in, but if you've tried to use it for database...
By Steve Jones
attriage – n. the state of having lost all control over how you feel...
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In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers