Scripts

Technical Article

Verify all DBs are part of a Maintenance Plan

This is a script you can run on a per-server basis, from any database in Query Analyzer or incorporate into a stored procedure, that will examine all databases on that instance of SQL and show what Maintenance Plan(s) they are part of, if any. Shows clearly any databases that are not currently part of a […]

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2004-10-01

553 reads

Technical Article

Count elapsed business days between two dates

This is a UDF that counts the days between two dates ignoring weekends and corporate holidays (as supplied in a lookup table). This ignores the time component but could be adjusted should you need to. If both days are on the same work day then the elapsed days is considered 1. If started Monday and […]

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2004-09-30

454 reads

Technical Article

Last Day of Month

A script was recently published (Last_Date_Of_Month) that returns the last day of a given month/year combination. I have simplified and improved on that script by eliminating the need to use a WHILE loop. This new script exploits the flexibility of the DATEADD function which allows you to assign negative numbers (thus effectively subtracting a given […]

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2004-09-30

175 reads

Blogs

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Server-Level Table sizes

By Artur Sanin

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ORDER BY alias

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Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure

By vgupta

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Question of the Day

ORDER BY alias

There is a table tmp_tab:

CREATE TABLE tmp_tab (
id int,
val int
);
INSERT INTO tmp_tab VALUES
(1, 1),
(2, NULL),
(3, 3),
(4, 4),
(5, 5);
You want to order the rows ids by the following expression:
    ISNULL(val, id) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

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