It's up to DBA to analyze what is eating so much space. You may find script from Re: Database Size Message #870014 usefull.

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>I used to have a database that is about 6GB in size. Most of the datatypes on the tables are char() and I decided to change them into varchar().
>I was able to shrunk a 6GB database to 3GB by changing the Char datatypes to VarChar. I did this by creating an identical database with the fields data type set to VarChar and then Exporting the data from the original database.
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>The setup was fine for about a week until we found a glaring increase in the size of the database. in a span of 3 days, the database grew up to 5 GB. Is there a logical explanation on how it ended up acquiring to much space?
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