SQLServerCentral Article

A Getting Started PostgreSQL Tutorial

Introduction to PostgreSQL PostgreSQL is a free and general purpose open source object-relational database system that uses and extends the SQL language. Though originally designed to run on UNIX platforms, PostgreSQL is eligible to run on various platforms such as Linux, macOS, Solaris, and Windows. PostgreSQL databases provide enterprise-class database solutions and are used by […]

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BIT_COUNT() IV

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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?

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