SQLServerCentral Editorial

Confidence

Today, I want to blog about something I have only limited knowledge of … confidence. Okay, I understand what confidence is, and I have seen it before in the real world and not just in biographical movies. In fact, I have met quite a few highly confident people. In almost every case, it was immediately […]

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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Question of the Day

Tracking All the Queries

I have 3 instances of a brand new long running query that are executing on a SQL Server 2025 instance. Query store is enabled. One of the queries is killed by the administrator, one is cancelled by the user. The other runs to completion. How many rows are in Query Store for this query?

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