Have you ever lost data when using CAST or CONVERT in T-SQL? There is an interesting behavior that probably has caused problems for quite a few people, and one you should be aware of. New author Aries J. Manlig brings us a look at this documented, but mostly unheard of behavior.
A frustrating thing for those who open and close Query Analyzer all day long about the new Visual Studio interface for SQL Server is the load speed. This quick blog shows you how to speed up the load time with a switch change.
This paper describes user instances in SQL Server 2005 Express Edition and how you can use them to simplify adding database functionality to your Visual Studio projects.
SQL Server 2000 has table valued functions that are very useful in many ways. However when you try to limit results with the ROWCOUNT setting, you can end up with some strange results. Peter He brings us a comprehensive look at some of the unpredictable results that you can get and how to code around them.
A few months ago, I posted an article here at DBJ named How to Pass Access Data Across the Web. One reader expressed concern over using the Microsoft Internet Explorer library because of security issues. While I do not share his fear, I appreciate that others might, so I began to think about how the process could be enhanced by substituting a Web Service for the traditional ASP/Querystring web page approach described in the article. What follows is the fruit of those labors.
DTS is a great tool in SQL Server 2000 for easily setting up jobs to import or export data. But it can also have security risks. New author Alex Kersha brings us a simple security technique to be sure that you are properly executing your DTS packages in a secure manner.
By default, SSIS files in development are encypted to prevent an unauthorized person from seeing your SSIS package. The type of encyrption is seamless behind the scene and is at a workstation and user level. So, if you were to send a package that you're developing to another developer on your team, he would not be able to open it by default. This shows you how to fix this problem.
Despite a growing range of options for integrating mixed database environments, some companies are sidestepping the problem by moving to a single database platform.
Apress is giving away some copies of this book on SQLServerCentral.com by sponsoring our Question of the Day. A sample chapter is also available online now!
Continuing with his series, Andy Warren looks at what it means for SQL Server 2000 command line parameters as well as checkpointing with this service.
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
Comments posted to this topic are about the item BIT_COUNT II
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Comments posted to this topic are about the item Why Your SQL Permissions Disappeared
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers