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Deleting SQL Data

Posted on 2014-02-21
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Last Modified: 2014-02-21
I would like to know if there is a way that I can automate SQL data to be deleted.  Maybe once the database reaches a certain size then delete X amount or something like this.  I really don't know SQL and have 100's of servers that are running out of space from SQL databases.
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Question by:MicahMcC
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Olaf Doschke earned 2000 total points
ID: 39878418
There are some ways to make space without deleting any data, eg shrinking them, deleting logs.

DBCC SHRINKDATABASE is one.

If you are sure you can delete data, use DELETE queries, eg

DELETE FROM table WHERE somedatefield<DateAdd(year,-5, Getdate()) 

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Would delete data older than 5 years according to somedatefield.

If you don't have datetime data in your table you won't be able to judge it's age, you will need to define the conditions for unimportant data differently, then.

Bye, Olaf.
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Author Closing Comment

by:MicahMcC
ID: 39878438
Olaf, thank you for the speedy response.  This will work as currently the servers that are filling up have approximately 4-7 years’ worth of data on them.  Thank you again!
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