Deletion of data within the database tables

The user is trying to clean up the 2014 data within the database tables. He is running a delete function which keeps causing the log files
to exceed their limit. The tables are large and he is unable to delete the data in one command due to available size and logging. What is the best way to approach this?
Thanks,

Hi venkatesh1985,
According to your description, the user fails to delete data in tables due to the limited space of log file. Based on my research, this issue could occur when you use the delete statement(DELETE FROM ExampleTable) in a single transaction and consume all
available space on your transaction log disk.
To avoid this issue, you could use the two methods below to delete the data.
1. Use a loop combined with TOP and delete rows in smaller transactions as the following example. This method requires you to delete all the tables one by one.
SELECT 1
WHILE @@ROWCOUNT > 0
BEGIN
DELETE TOP (1000)
FROM LargeTable
END
For more information about the process, please refer to the article:
http://dbadiaries.com/how-to-delete-millions-of-rows-using-t-sql-with-reduced-impact
2. If you want to delete all the data from all tables in the specific database, you could script the entire database and all database objects. Then drop the database and recreate it using the script as the steps below.
a. In Object Explorer, expand the node for the instance containing the database to be scripted.
b. Point to Tasks, and then click Generate Scripts and click Next.
c. Select the option of 'Script the entire database and all database objects'.
d. Specify how scripts should be saved. You could save the script to a file or new query window. Click Next, then click ok.
e. Drop the database, and run the script in the query window to recreate it. For more information, please refer to the article:
http://msdn.microsoft.com/en-us/library/bb895179.aspx#Introduction
In addition, if possible, please increase the size of the log file or move the log file to a different disk with more disk space.
Regards,
Michelle Li

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Kindly reward points by clicking the star on the left of reply,if it helps.

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Deletion of data within the database tables

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