Articles

External Article

Dependencies and References in SQL Server

It is important for developers and DBAs to be able to determine the interdependencies of any database object. Perhaps you need to work out what process is accessing that view you want to alter, or maybe find out whether that table-type you wish to change is being used. What are all these dependencies? How do you work out which are relevant? Phil Factor explains.

2015-10-23

3,238 reads

Technical Article

The Oracle PL/SQL Results Cache

Oracle offers a results cache in the database (from 11.2 onwards) and in PL/SQL (again, from 11.2 onwards) which can greatly reduce execution time of repeated statements when insert/update/delete activity is not heavy. The mechanism in PL/SQL, however, may not work as expected with global temporary tables. Using a slightly modified example, Jonathan Lewis looks at what you might see when using this option.

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2015-10-22

4,120 reads

Technical Article

Maintaining a grouped running MAX (or MIN)

If you're on SQL Server 2012 or greater, you definitely want to become familiar with all of the extensions to the windowing functions first introduced in SQL Server 2005 – they may give you some pretty serious performance boosts when revisiting code that is still running "the old way." Aaron Bertrand explains.

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2015-10-21

4,230 reads

External Article

SQLXML Bulk Loader: The Sequel

SQLXML isn't exactly new technology, and parts of it aren't pretty, but if you need to heave vast quantities of XML data into a SQL Server database then you may come to appreciate the raw speed of which it's capable. Adam Aspin shows how to configure the SQL XML Bulk Loader tool for optimal data loading performance.

2015-10-20

2,973 reads

Technical Article

Optimizing Your Query Plans with the SQL Server 2014 Cardinality Estimator

This paper provides an overview of the primary changes made to the cardinality estimator functionality by the Microsoft query processor team, covering how to enable and disable the new cardinality estimator behavior, and showing how to troubleshoot plan-quality regressions if and when they occur.

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2015-10-19

4,120 reads

External Article

Webinar: Redgate Database Lifecycle Management (DLM) Demo

SSC's Steve Jones will show you how Redgate's DLM solution works to improve your database development and deployment processes. You'll see how to version control your databases from SSMS to track and understand changes, include your database in your Continuous Integration process to get quick feedback, automate your database deployment process to have safe, reliable, repeatable deployments, and more.

2015-10-19 (first published: )

4,162 reads

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Hyperscale Replicas I

What types of secondary replicas are available for the Azure SQL Database Hyperscale edition?

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