Creative Ways to Use the TOP Clause
Gregory Larsen discusses how to use the TOP clause to help solve requests where you want to restrict the number of records returned based on a record count.
2007-12-27 (first published: 2007-01-05)
8,395 reads
Additional Articles
2007-12-27
3,466 reads
Kimball University: Handling Arbitrary Restatements of History
How do you cope with an executive's request to "bring back a time series of activity for all subscribers who were in platinum status as of X date," or "show me a time series of orders by sales region according to the sales organization as of Y"? Here's how data warehouse pros can cope with the common requirement to look back in time.
2007-12-26
1,522 reads
Optimize T-SQL data types in SQL Server
To optimize Transact SQL (T-SQL) data types in SQL Server, learn how each type affects performance -- I/O, RAM and CPU in SQL Server.
2007-12-26
3,745 reads
SQL Server encryption vs. hashing for data security
Study encryption and hashing algorithm options for data security in SQL Server 2005 and use symmetric/asymmetric keys to encrypt and decrypt SQL Server data.
2007-12-25
3,463 reads
Analysis Services 2005 Processing Architecture
Processing is the operation in which the Analysis server reads data from the relational data source and populates the cubes, dimensions, mining models, etc. This whitepaper describes the Analysis Services 2005 processing architecture in detail and provides guidance on how and when to use the various processing controls.
2007-12-24
1,091 reads
SQL Server 2005 Express Edition - Part 12 - ClickOnce Deployment and Updates
Part 11 of this series presented the publishing options of ClickOnce-capable applications that involve User Instance-based databases. This article takes a closer look at the deployment process, demonstrating the impact of your selections on its characteristics.
2007-12-21
1,434 reads
Optimise SQL Server queries with these advanced tuning techniques
Now that you know how to speed up your SQL Server database queries, you can start delving into some of the more advanced tuning options.
2007-12-20
4,971 reads
SQL Server Training at TCU
If you are near Texas Christian University, you might want to check out this training from a SQL Server MVP.
2007-12-20
1,558 reads
RAID Scaling Charts, Part 3: 4-128 kB Stripes Compared
This is the third article that deals with analyzing the various possibilities involving various RAID setups and differing numbers of hard drives. We used the same hard disks again here: eight Samsung HM321KJ SATA/300 drives powered all of the possible RAID 0, RAID 5 and RAID 6 setups, with from three to as many as eight hard drives configured to use stripe sizes of 4 to 128 kB.
2007-12-19
2,353 reads
Blogs
T-SQL Tuesday #192: What career risks have you taken?
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I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...
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Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...
How to Parameterize Fabric Linked Services in Azure Data Factory for Azure Devops Deployment
Quite the title, so let me set the stage first. You have an Azure...
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A Quick Restore
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Guarding Against SQL Injection at the Database Layer (SQL Server)
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Ola Hallengren Index Optimize Maintenance can we have data compression = page
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A Quick Restore
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