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Technical Article

SQL Server 2008 and 2008 R2 Integration Services - Analysis Services Execute DDL Task

The term DDL designates Data Definition Language, which implies an action involving creating data structures. In the context of Analysis Services Execute DDL Task, this is a bit of a misnomer because its capabilities are much more diverse, extending to such areas as backups, restores, deletions, modifications, or processing. This is accomplished by employing Analysis Services Scripting Language (ASSL).

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2011-09-07

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External Article

Preventing Problems in SQL Server

It is never a good idea to let your users be the ones to tell you of database server outages. It is far better to be able to spot potential problems by being alerted for the most relevant conditions on your servers at the best threshold. This will take time and patience, but the reward will be an alerting system which allows you to deal more effectively with issues before they involve system down-time.

2011-09-01

3,959 reads

Technical Article

How to Performance Tune the Microsoft SQL Server tempdb Database

If your SQL Server’s tempdb database is heavily used by your application(s), consider locating it on an array of its own (such as RAID 1 or RAID 10). This will allow disk I/O to be more evenly distributed, reducing disk I/O contention issues, and speeding up SQL Server’s overall performance.

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2011-08-31

5,236 reads

External Article

Mimicking Magnetic Tape in SQL

The sequential nature of early data storage devices such as punched card and magnetic tape once forced programmers to devise algorithms that made the best of sequential access. These ways of doing data-processing have become so entrenched that they are still used in modern relational database systems. There is now a better way, as Joe Celko explains.

2011-08-29

3,057 reads

External Article

XML Configuration files in SQL Server Integration Services

Package configuration files are a great way of providing the values of SSIS package properties so that packages can be used in a far more versatile way. They make the deployment of SSIS packages easier and can provide parameters that are based on the server configuration, or which change for each runtime. They're easy to understand, especially when explained by Rob Sheldon.

2011-08-25

2,997 reads

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BIT_COUNT() IV

By Steve Jones - SSC Editor

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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