Simple function to return time from datetime value
Since SQL Server stores time as a full datetime value, I use this script to return just the time part formatted as hh:mm:ss.Usage:Select mydb.dbo.udfHHMMSS(Getdate())
2002-02-11
935 reads
Scripts
Unconstrain/Reconstrain a table
This script provides the DDL required to unconstrain and then reconstrain a table so that in between you can modify the tables contents without being hampered by referential integrity constraints a long the way.Typical call:- utl_UnConstrain 'MyTable'
2002-02-11
264 reads
Stored Procedure to read tape backup log
If you need to check that the tape back of your database backup files was successful, you would generally read the errorlog for the backup software.If you are just interested in today's results or a particular day's log it can be a pain to get. You could have a shortcut on the desktop or you […]
2002-02-10
408 reads
Generate BCP commands (sp_bcp)
This is an updated scripts with some useful modification for the script submitted by Seshu Kanuri
2002-02-07
745 reads
Check Job History for given time window
I use the following script to find out what was running at around the time something of interest happens on our SQL Server. I haven't got around to making this a stored procedure, but it is easy enough to change the date and time interval.
2002-02-06
729 reads
Stored Procedure to SELECT NEXT x TOP y Records
This stored procedure implements a kind of SELECT NEXT x TOP y Columns FROM Table WHERE Condition ORDER BY Order. It works on any table that has a unique id column and it works with any WHERE clause and any ORDER BY condition. The only drawback is its very poor performance on large tables. This […]
2002-02-06
1,246 reads
Convert a given date to GMT
In SQL 7 you had no way to convert local time to GMT (UTC time) which was added in SQL 2K as GETUTCDATE() which will output the current date you would get with GETDATE() but a it's GMT counterpart. Although this was a great improvement I work with data on another server that's front end […]
2002-02-05
686 reads
Date/Time formatting function
T-SQL analog for Visual Basic FORMAT function. Created for MSSQL 2000. Works regardless of language settins on server or client side! fn_format('YYYY/DD/MM HH:MI','2002-03-13 12:00') = '2002/13/03 12:00' fn_format('DD.MM.YY','2002-03-13 12:00:00') = '13.03.02' fn_format('HH:MI:SS','2002-03-13 12:00:00') = '12:00:00'
2002-02-05
994 reads
Run a blackbox trace
There is a script for setting up a blackbox trace on SQL 2000 described by Kalen Delaney in "Inside SQL Server 2000". Since I can never remember where to look it up I wrote this simple stored procedure to run the blackbox trace when I need it. This should be used with caution as it […]
2002-02-05
648 reads
Splitting string of values to table
This function can convert string with separated values to table. Exclusive feature: items inside quotes will not be splitted! Now you can easily perform joins on CSV strings! For expample: fn_split('1, 2, ''3, 4'', 5',',')= 1 2 3, 4 5 First parameter - string with values, second - delimiter character.
2002-02-05
1,221 reads
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The Disabled Index
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Server-Level Table sizes
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Question of the Day
The Disabled Index
I run this code on SQL Server 2022.
CREATE TABLE Drink
(
drinkid INT NOT NULL
CONSTRAINT DrinkPK PRIMARY KEY CLUSTERED,
drinkname VARCHAR(20),
rating NUMERIC(2, 1)
)
GO
INSERT INTO Drink
(
drinkid,
drinkname,
rating
)
VALUES
(1, 'Margarita', 4.5),
(2, 'Mojito', 4.3),
(3, 'Old Fashioned', 4.7),
(4, 'Martini', 4.4),
(5, 'Cosmopolitan', 4.2)
GO
ALTER INDEX drinkpk ON dbo.drink DISABLE
GO
SELECT * FROM dbo.Drink
GO
What is the result? See possible answers