Wednesday, January 7, 2015

SQL Server Database File - Date Modified

Recently, there was a discussion if the date modified of the database files shown in Windows explorer could be used to determine when the database was last used (or recently used). Often, this date is used to determine when a file (eg. word, excel) is last updated. Could that also be applied to SQL Serve database?

Sunday, January 4, 2015

Microsoft Specialist - Implementing Microsoft Azure Architecture Solutions

I have been using Microsoft Azure with credit from MSDN subscription (Free credit! See the MSDN subscription section on this post) for sometimes now. Mostly for VMs and SQL Database (Microsoft Azure SQL Database). Recently I have also started exploring other Azure services like Azure Active Directory for cloud identity and access management, as well as deploying and implementing .NET web application to Azure Websites along with Visual Studio Online.

Monday, December 1, 2014

SSIS Connection Manager Properties

The SSIS packages stored in SSIS Catalog (introduced in SQL Server 2012, and also SQL Server 2014) allow configuration changes made on the project or the package connection managers, depending how the connection was setup. It is important to have a good understanding of how the values in these properties are being used.

Thursday, June 12, 2014

Defunct File Cause SQL Server Upgrade Failure

In the previous post, we discussed how a data file or its filegroup becomes defunct. As making data file defunct may be desirable in certain situation to resolve immediate issue and allow the database continue to be operational, you may encounter some surprise problem when you are ready to move up to the next version during the SQL Server upgrade.

Friday, June 6, 2014

SQL Server - Defunct Filegroup and Defunct Data File

A data file becomes DEFUNCT when its respective filegroup is removed or when the data file or its filegroup is not included during the piecemeal restore in simple recovery model. Usually a filegroup can not be removed if the data file is not empty. However, a filegroup could be removed if one of its data file is not online. This post illustrates how a data file becomes DEFUNCT.

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