They are a basic type of query that every DBA and developer should be able to write, but aggregates are sometimes misunderstood and result in strange behaviors and results. Kathi Kellenberger brings us a tutorial on what aggregate queries are and a few hints on how to become more proficient at writing them.
2007-10-02 (first published: 2005-12-19)
37,461 reads
The SQL Server 2000 security model is not the best one of all the RDBMS platforms and requires some work to secure properly. One of the practices that is recommended is removing the builtin/administrators group from accessing the SQL Server. New author Kathi Kellenberger shows us some of the pitfalls she encountered when removing this group from her servers.
2007-10-02 (first published: 2005-01-12)
30,094 reads
In SQL Server 2005, object ownership will have a different meaning, but since most of us work with SQL Server 2000, Kathi Kellenberger has written a good introduction to understanding how object ownership works and why you might want to follow certain practices.
2007-10-02 (first published: 2005-07-18)
54,890 reads
SQL Server 2000 is the basis for the new Access database storage. However there are still many cases where applications developed on Access are outgrown and need to be moved to SQL Server to support the load. Author Kathi Kellenberger brings us a look at the Upsizing Wizard and how you can move your databases to SQL Server.
2007-09-22 (first published: 2005-02-22)
30,788 reads
Longtime author Kathi Kellenberger brings us a guest editorial today on what is happening with women in the technology world.
2007-02-12
153 reads
In this video for beginners you'll begin to learn how to write queries that use more than one table using T-SQL. Kathi walks you through common tactics to efficiently pull out data from a normalized system.
2006-12-11
972 reads
In this video, Kathi continues her T-SQL series and exands how to use the WHERE clause.
2006-10-26
3,469 reads
In this second part video from Kathi, she covers how to write T-SQL in much more indepth. She covers how to handle NULLs and many more items in this video.
2006-10-12
2,787 reads
In this video, you'll learn how to write basic select statements. This beginner video takes you from the ground up writing T-SQL.
2006-10-04
3,402 reads
With the release of SQL Server 2005, there have been many changes in the product, but probably none as dramatic as the changes to the ETL tool. Data Transformation Services has become SQL Server Integration Services, or SSIS. It has been completely redesigned with a whole new paradigm for developing data movements. Kathi Kellenberger brings us a short introduction to this new tool.
2006-01-31
20,900 reads
By Vinay Thakur
I wrote about TempDB Internals and understand that Tempdb plays very important role on...
By Vinay Thakur
continuing from Day 1 where we covered the history of AI and GPT family,...
By Steve Jones
It’s a day off for Redgate today. This is our annual wellbeing day, where...
Comments posted to this topic are about the item A Quick Restore
Comments posted to this topic are about the item Guarding Against SQL Injection at...
While doing some testing of an application, I wanted to reset my environment after doing some testing with this code:
USE DNRTest BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO /* Bunch of stuff tested here */RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens if this runs, assuming the "bunch of stuff" isn't anything affecting the instance. See possible answers