Stairway to Exploring Database Metadata

Idempotent DDL Scripts That Always Achieve The Same Result - Making Changes Only Once: Stairway to Exploring Database Metadata Level 6

Idempotence is the property of certain operations in mathematics and computer science, that can be applied multiple times without changing the result beyond the first time they are run. When you are making changes to a database to deploy a new version, you need to be sure that certain changes aren’t made twice, or in the wrong order.

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PostgreSQL 101: A guide to PostgreSQL documentation & useful resources

In the latest webinar of our PostgreSQL 101 series, join Ryan Booz, PostgreSQL Advocate at Redgate, and Grant Fritchey, Microsoft Data Platform MVP, and discover:

How to navigate PostgreSQL documentation
The essential things you need to know about PostgreSQL documentation
Other useful learning resources to help make your journey to using PostgreSQL easier

Please register to watch the recording.

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Question of the Day

The String Distance I

In SQL Server 2025, what is returned by this code:

SELECT EDIT_DISTANCE('tim', 'tom')
Assume preview features are enabled.

See possible answers