When the SQL MERGE statement was introduced in SQL Server 2008, it allowed database programmers to replace reams of messy code with something quick, simple and maintainable. The MERGE syntax just takes a bit of explaining, and Rob Sheldon is, as always, on hand to explain with plenty of examples.
2010-09-17
6,847 reads
When using Report Manager, users can export reports to different formats like PDF, XLS and others. When reports are exported to other formats they also include all of the content from the report, but rendered to the format of the report output. There maybe scenarios where you would not want a particular part or component of report to appear in these other report formats. A practical example of this could be that you want to display images when the report is displayed in HTML, but not when the report is exported to a PDF format. In this tip we take a look at a new feature in Reporting Services that allows us to control these items without having to create multiple report versions.
2010-09-16
2,831 reads
The issuing of a Current Time Increment, Cti, in StreamInsight is very definitely one of the most important concepts to learn if you want your Streams to be responsive. A full discussion of how to issue Ctis is beyond the scope of this article but a very good explanation in addition to Books Online can be found in these three articles by a member of the StreamInsight team at Microsoft, Ciprian Gerea.
2010-09-15
1,779 reads
SQL Azure Data Sync provides data synchronization between the cloud and local SQL Server databases. Learn how SQL Azure Data Sync allows you to keep the most concurrent information in the cloud while allowing mobile users, businesses, and enterprise data sources all to have access to this data.
2010-09-14
1,240 reads
SQL Server transaction log files have an internal structure called the Virtual Log File or VLF. When the number of VLFs grow out of control due to autogrowth the log can become fragmented and cause delay. In this tip we look at how to see how many VLFs exist as well as how this can be reduced to a more reasonable number.
2010-09-13
3,345 reads
Cartesian Products usually don't provide useful information and often result in mistakes that can hurt your database developer career. Learn to spot Cartesian Joins and banish them from your SELECT queries forever.
2010-09-10
4,388 reads
There are a number of ways to issues CTIs (Current Time Increments) into your StreamInsight streams but a quite useful way is to do it declaratively on your source factory like this
2010-09-09
1,492 reads
We use Internet Protocol Security (IPSec) within the trusted domains, but use the Negotiate Security Support Provider for our web applications. What other security methods can we employ with SQL Server?
2010-09-07
2,304 reads
SSIS makes it possible to minimize work lost by starting after the last successfully executed control flow task upon restarting a failed package. From there, one challenge many seek to overcome is automatically restarting that package at that point without any manual intervention. This would make it possible for your SSIS packages to be running, your cluster to failover, and your SSIS packages to restart and complete without you having to respond to the failover and restart them.
2010-09-03
2,181 reads
Before you can tackle any performance issues with a working database, you need to know which queries to work on first: The ones that are taking the most time in total, and which are the most expensive in terms of cache, CPU and disk. Although SQL Server Management Studio can help, it isn't long before you need an armoury of DMVs to provide you the statistics to find the culprits.
2010-09-02
3,298 reads
By Steve Jones
Redgate recently released SQL Compare v16, which included a new feature to work with...
By Steve Jones
I was listening to the radio the other day and the hosts were discussing...
By Steve Jones
We’re a week late, once again my fault. I was still coming out of...
Comments posted to this topic are about the item What is Page Density
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Looking to confirm my understanding of these three products and how they can be...
In SQL Server, there is a concept of page density. This is determined by how much data is stored on each page. What is a page density of 90%?
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