網(wǎng)站導航
- zblogPHP模板zbpkf
- zblog免費模板zblogfree
- zblog模板學習zblogxuexi
- zblogPHP仿站zbpfang
首頁size
茂名是個怎樣的城市？
{!--PGC_VIDEO:{"status":0,"thumb_height":360,"vname":"\u7231\u526a\u8f91-\u65e5\u672c\u4eba(0).mp4","vid":"v02004g10000ceeanjrc77u3m9ptnhbg","video_size":{"high":{"h":404,"subjective_score":0,"w":720,"file_size":19907875...
Oracle如何開啟閃回功能？
一 首先查看是否開啟閃回： SQL> select flashback_on from V$database; FLASHBACK_ON ------------------ NO 二 如果已經(jīng)開啟了閃回，無須執(zhí)行下面的操作。 cd /u01 mkdir flashback(生成閃回目錄) SQL> alter system set db_recovery_file_dest_size=30G sco...