When a hospital’s mission-critical database fails at Christmas, disaster for the hospital – and its hapless DBA – seems certain. With less than an hour to spare before catastrophe, can the DBA Team save the day? This is a fictionalized true story.
Today Andy Warren talks about an employee work item that many of you might not be tasked with.
Learn how you can achieve better performance with linked list instead of a numbering column.
Whose fault is it if a database is hacked and its contents appear on a hacker’s site? Louis Davidson suggests that, regardless of limitations, the DBA always bears some responsibility.
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.
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.
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.
After having seen many systems that use GUIDs as the primary key for every table, it is time to say enough is enough.
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.
By Brian Kelley
My most recent bout with imposter syndrome was with ISACA’s Digital Trust Ecosystem Framework...
By Steve Jones
“On the way to a grand goal, celebrate the smallest victories as if each...
Materialized lake views (MLVs) in Microsoft Fabric are an effective way to implement medallion...
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How can I alter the deadlock detection interval to 2 seconds instead of 5 seconds on my SQL Server 2025 instance?
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