I was cleaning unnecessary rows from wp_options table. And I have so much unnecessary rows due to malicious code that I am cleaning them by 500 row each time. I deleted may be 5000 rows but then when i saved a backup the new version file size was considerably more than the previous one ,even if the previous one had more rows.
How can this be? I am not talking about small difference. The file sql file size of database suddenly went up from 120 MB to around 160 MB !!
Even though I was deleting many many rows from the database. And between two files may be only 15 minutes exist. And I did nothing else. Why did this happen?
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