Linked lists
Learn how you can achieve better performance with linked list instead of a numbering column.
2014-12-22
9,153 reads
Articles
Using the MERGE Statement to Perform an UPSERT
The term UPSERT has been coined to refer to an operation that inserts rows into a table if they don’t exist, otherwise they are updated. To perform the UPSERT operation Microsoft introduced the MERGE statement. Not only does the MERGE statement support the UPSERT concept, but it also supports deleting records. Greg Larsen discusses how to use the MERGE statement to UPDATE, INSERT and DELETE records from a target table.
2014-12-22
13,060 reads
What, when and who? Auditing 101 - Part 3
Who messed around with my database? Auditing 101. In this article we will take a look at another technique available in SQL 2008 and higher. This new technique is SQL Audit.
2014-12-19 (first published: 2012-05-31)
15,160 reads
SQL Server Analysis Services Attribute Relationships
This tip looks at some of the questions around attribute relationships in SQL Server Analysis Services, including why you need them, how to create them, and the common data sets involved.
2014-12-19
7,646 reads
GUIDs GUIDs everywhere, but how is my data unique?
After having seen many systems that use GUIDs as the primary key for every table, it is time to say enough is enough.
2014-12-18
9,980 reads
Questions About T-SQL Transaction Isolation Levels You Were Too Shy to Ask
Every time you access a relational database to make a query, you have an important decision to make: What is the appropriate isolation level for your query? If you get this wrong, the consequences can be serious. Deadlocks, Dirty reads, Non-repeatable reads, or poor performance. We're in luck, because Robert Sheldon once more answers those questions that are awkward to ask in public.
2014-12-18
12,150 reads
Introduction to Azure SQL Database Scalability
One of the primary advantages of Platform-as-a-Service solutions offered by Microsoft Azure is the ease with which scaling can be implemented. While SQL Database facilitates both vertical and horizontal scaling approaches, scaling it out is considerably more challenging. In this article, we will provide a high-level overview of both vertical and horizontal scaling methods available with Azure SQL Database.
2014-12-17
8,467 reads
Tribal Awards Finalists
Voting is now open for the Tribal Awards. Vote for one of the 5 finalists in each category to win a fabulous* prize.
2014-12-16
1,345 reads
SQL Server Reporting Services Basics: The Visual Controls
Kathi Kellenberger demonstrates how to start adding visual flair to your SSRS reports, using its impressive set of visual controls, ranging from basic charts to gauges, indicators, sparklines, and maps.
2014-12-16
7,115 reads
Adding a Query Governor to Dynamic-Search Stored Procedures
When undisciplined users access your search forms, you can control their behavior and limit the results they're presented with in various ways.
2014-12-15
4,095 reads
Blogs
VPN + SQL Server Connections: Why Long-Working Setups Suddenly Fail with Msg 10054 and “Connection Broken”
By Tim Radney
Over the past few weeks, I’ve been contacted by multiple customers experiencing the same...
Future IT Roles – Agentic Architect and AI Boom!!
By Vinay Thakur
These days everything is changing to AI World, IT roles are getting changed and...
Free Webinar about Columnstore Indexes
I’m doing a small series on indexing basics for SQL Server, and on May...
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