SQL Server Data Copy Problem

Apr 14, 2007

Hi,



I am facing a great problem. I have a DB about 80GB. There are 217489811 number of records which include 2005, 2006 and 2007 data in 1 table. Now I want to split the table into by quarter tables 2005Q1, 2005Q2.....etc. It is because it is easier for me to housekeep the old data. (It takes about few hours to housekeep 3 month data currently, so that it affect my server performance a lot)



so I start my work, however it is failed every times. Actually, if I copy 3 month data to a new tables, it is nearly about 30 million records which needs about 1 GB space. However, it takes about 8 hours to complete the job and failed because of not enough space allocated. Actually, my Server has about 50GB space, but when the job complete and fail, all the space is occupied. But i wonder why this happen because the data only need about 1 GB, how come it use 50GB?



it seems that nothing i can do to housekeep the old data. because housekeep the current table takes too long time while splitting tables use up all the space. So how can i do?



For your information, the table has non-clustered index on the data date field



need your help

thanks,

Linus

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