Getting Started with Change Data Capture – Part 2
The Change Data Capture feature of SQL Server captures DML changes happening on a tracked table. Arshad Ali demonstrates how this feature can be leveraged.
2014-03-12
2,429 reads
Additional Articles
Rapid SQL Server Database Deployment
With the right tools, it is possible to rapidly deploy upgraded databases. By deploying early in development, it's easier to iron out any potential problems that the new deployment could cause in production long before it's time to actually release the software.
2014-03-11
4,431 reads
Why I Developed SQL Code Guard: A Fairy Tale from a DBA
This is the story of how a free addin for SSMS, SQL Code Guard, was created and joined the Red Gate SSMS Ecosystem project.
2014-03-10
5,251 reads
Adding SQL Server AlwaysOn to existing Failover Clusters
We have a SQL Failover Cluster Instance in our primary data center, and want to implement a second two node Failover Cluster Instance in our secondary data center. A new two node cluster located in our secondary data center was setup, but I could not create a new High Availability Group between the two failover cluster instances. What went wrong?
2014-03-07
3,721 reads
Big Data: Integration with Little Data
If we want to incorporate big data into our enterprise, it's crucial to know how to integrate it with our existing data.
2014-03-06
5,076 reads
Junk Drawer
Dale Newman created open source project called Junk Drawer. It's goal is to make the majority of Excel or text file importing a one step, no-brainer process without using the Import Wizard.
2014-03-05
3,095 reads
Fixing Cache Bloat Problems With Guide Plans and Forced Parameterization
Imagine it. You've been asked to fix a dire performance problem with a SQL Server database. You find a severe case of 'Cache Bloat' due to ad-hoc queries, but you can't fix the code itself. What should you do? Specify forced parameterization? Perhaps a better idea would be to use guide plans.
2014-03-04
2,646 reads
Avoid using NOLOCK on SQL Server UPDATE and DELETE statements
Occasionally I come across UPDATE and DELETE statements where the target SQL Server table is referenced with the NOLOCK hint. Does this hint help or hurt performance in this case?
2014-03-03
4,698 reads
Calculating Gaps Between Overlapping Time Intervals in SQL
There are a number of real-life reporting tasks in SQL that require a 'gaps and islands' analysis. There are a number of techniques around that work, but finding ones that scale well makes for a tougher, but interesting, challenge.
2014-02-28
3,824 reads
DBAs Checklist for Designing and Reviewing SQL Server System Architectures
In this tip, Sadequl Hussain will try to list a few areas DBAs need to cover when they are designing new systems or reviewing proposed solutions.
2014-02-27
5,421 reads
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UNISTR Escape
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Question of the Day
UNISTR Escape
In SQL Server 2025, I run this command:
SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation)
A: 
B: 
C: 
See possible answers