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When AUTO_UPDATE_STATISTICS Doesn't Happen

When your SQL Server database is set to have its statistics automatically updated, you will probably conclude that, whenever the distribution statistics are out-of-date, they will be updated before the next query is executed against that index or table. Curiously, this isn't always the case. What actually happens is that the statistics only gets updated if needed by the query optimiser to determine an effective query plan.

2016-03-25

4,726 reads

External Article

Better Ways to Build a Database

The purpose of a database build is simple: prove that what you have in version control can successfully create a working database, and yet many teams struggle with unreliable and untested database build processes that slow down deployments and prevent the delivery of new functionality. Grant Fritchey explains how to achieve an automated and reliable database build that is only as complex as the database system it needs to create.

2016-03-22

5,439 reads

External Article

SQL Server Integration Services SSIS Package Configuration

As you develop, test and deploy SSIS packages, you need to specify different parameter values for things like database connection strings, file and folder paths, etc. without having to edit the individual SSIS packages to make these changes. Ray Barley looks at how you can accomplish this goal by taking advantage of the configuration capabilities that SSIS provides, in particular the SQL Server package configuration.

2016-03-21

5,914 reads

Blogs

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SQL Server, Heaps and Fragmentation

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Stairway to Azure SQL Hyperscale – Level 2: Page Server Architecture Explained

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Question of the Day

SQL Server, Heaps and Fragmentation

A table without a clustered index (heap) will NOT suffer from fragmentation during frequent updates or deletes. True or False?

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