Scripts

Technical Article

Encryption Example

Here in this T-sql tip I'am trying to compare the word "Hijacker" with two cases(line 3 and 4). Now they are in same when you compare the case (letter to letter), now you change the case of word "Hijacker" in either of the lines and run this SQL statements it will return different results. This […]

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2002-01-05

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Technical Article

Shrink DBs - Job Script

I'm posting this job script because it gets used by my scheduler script. It simply enumerates through each database on the server, and then executes a DBCC SHRINKDATABASE. The only wrinkle here is that I have it do a quick check to make sure that certain jobs are not already running.

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2002-01-04

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Technical Article

Transaction Logs - Job Script

I've included this job script, because it is used by the scheduler scripts that I've also posted. This job is a little more involved than most may need... It first checks to see if certain jobs are running. Is so, it waits for a while, and then checks again. After that it drops the existing […]

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2002-01-04

1,216 reads

Technical Article

Check Jobs Current State

I created this script in an attempt to better automate many different jobs that run each morning, as part of a datawarehouse build. I use it to not only tell me what jobs are currently running (so that I can manage how many I would like to run at a time), but what happened to […]

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2002-01-03

1,331 reads

Technical Article

Generate Restore DB Scripts from prev backups v1.0

Using the the MSDB backup tables, will generate the basic disk RESTORE commands for a database. It will include the Full, differential and all associated log recovery commands for you. Run the stored proc in Query Analyser then copy/alter the output to recover your DB. Great if using EE is not your cup of tea. […]

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2002-01-03

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Technical Article

Port from Oracle's TRANSLATE Function

Here is a port from the Oracle's TRANSLATE function to T-SQL. It gets three arguments: a string to be searched, a string with a set of characters to be found and replaced, and another set of characters as the replacements. Example: SELECT dbo.TRANSLATE('ABCDE', 'BD', 'CE') It will return 'ACCEE'.

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2002-01-03

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The Empty Aggregate

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Question of the Day

The Empty Aggregate

I have this table in a SQL Server 2025 database:

CREATE TABLE [dbo].[CustomerOrder]
(
[OrderID] [int] NULL,
[CustomerID] [int] NULL,
[total] [money] NULL
) ON [PRIMARY]
GO
What is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
       COUNT(total) AS count
FROM dbo.CustomerOrder;



See possible answers