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Locate primary key - foreign key relations

Recently one of my friend was doing some investigation in a new/unknown database and had really hard time locating the primary key – foreign key relations. Like it’s really tough to locate these relations when not enforced at database level in terms of primary key and foreign key constraints. But generally all database developers keep […]

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2011-09-14 (first published: )

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Question of the Day

BIT_COUNT() IV

In SQL Server 2025, I run this code:

select bit_count('A')
What is returned?

See possible answers