To deallocate an extent, the Database Engine makes sure that the GAM bit is set to 1 and the SGAM bit is set to 0.是什么意思_To deallocate an extent, the Database Engine makes sure that the GAM bit is set to 1 and the SGAM bit is set to 0.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句