This article covers a few, more advanced topics about the usage of clustered indexes in SQL Server. Not only will I try to convince you of the absolute necessity of using clustered indexes, I'll also give you some tips on how to use them in a not so obvious context.
the January magazine is being printed right now and should be mailed out early next week. Read the editorial and see how you can get you e-copy now!
Access can be a very quick and easy to use tool for working with SQL Server data and for quick and dirty projects, it might be the best tool. But there can be performance issues at times and Andy Warren digs into some of these based on some analysis of what Access does behind the scenes.
In this sample chapter, you'll get a full tutorial on how to create an end-to-end SSIS package including transformation, looping and archiving of files.
In the days when I contentedly cut procedural code, I was puzzled by the visceral rages of the database specialists; they were like the ship’s cook occasionally going berserk with a meat-cleaver. After I switched to database work, I realized why.”
Continuing with his series on working with SQL Server, Andy Warren looks at how long it can take to start or restart the services and why.
This process uses ITWIZ.EXE the command line version of the Index Tuning Wizard. SQL trace file information is stored in a table on production then transferred to a non-production server. ITWIZ is then run against the transferred trace data resulting in a UNICODE SQL script. This script has index creation and deletion information as well as script parameters in a remarks section.
When programming in T-SQL, the impact of NULL values can be severe in many cases, especially aggregates. New Author Peter Ward brings us a great explanation on how NULLs can impact things like SUM operations.
This article is the third in a series of four where I share my findings on baselining, monitoring, stress testing and performance tuning. It builds on the foundations of my previous articles on baselining and monitoring.
By Steve Jones
At the recent Redgate Summit in Chicago, I demo’d (lightly) the ML based Alert...
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I'm trying to get this string_agg to put all the 'comments' into one result...
Comments posted to this topic are about the item Vectors in SQL Server 2025
Comments posted to this topic are about the item Odd Sequences
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