MySQL 在刪除資料時, 並不會釋放出磁碟空間,
當刪除很多資料時, 可以用 OPTIMIZE TABLE 來把資料 defrag 一下, 並且會釋放出磁碟空間.
OPTIMIZE TABLE tbl_name
MySQL OPTIMIZE TABLE
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This page contains a single entry by Pank published on February 7, 2007 5:28 PM.
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