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.
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.
The SQL Server community is amazing, and Steve Jones hopes we continue to be close as we grow. He brings light on an idea to grow us larger, but smaller.
Voting is now open for the Tribal Awards. Vote for one of the 5 finalists in each category to win a fabulous* prize.
By Steve Jones
los vidados – n. the half-remembered acquaintances you knew years ago, who you might...
By Brian Kelley
I will be leading an in-person Certified Information Systems Auditor (CISA) exam prep class...
EightKB is back again for 2026! The biggest online SQL Server internals conference is...
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What values are returned from this code?
CREATE SEQUENCE NumericSequence
AS NUMERIC(5,1)
START WITH 1.0
INCREMENT BY 0.1;
GO
SELECT NEXT VALUE FOR NumericSequence
GO
SELECT NEXT VALUE FOR NumericSequence
GO See possible answers