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                [TOC] # CREATE RESTORE POINT ## 描述 該語句用來創建還原點(Restore Point)。使用該功能可以保留當前時刻的數據快照,并在之后指定在這個數據快照上進行查詢。目前還不支持將數據回滾到該還原點。 創建還原點后,可以在 V$RESTORE\_POINT 視圖中查詢到該還原點的 SNAPSHOT 值,然后通過`SELECT * FROM table_name AS OF SNAPSHOT snapshot;`查詢數據快照中的值。 **注意** 系統租戶不支持創建還原點。 ## 格式 ~~~ CREATE RESTORE POINT restore_point; ~~~ ## 參數解釋 <table id="table-a93-iz1-z7u" class="table"><colgroup colnum="1" colname="col1" colwidth="1*" id="colgroup-n4g-s6u-zvs" style="width:50%"></colgroup><colgroup colnum="2" colname="col2" colwidth="1*" id="colgroup-71z-sv1-zxc" style="width:50%"></colgroup><thead id="thead-xjz-7xl-yfa" class="thead"><tr id="tr-842-4wu-r5e"><th id="td-0xv-d0y-znb"><p id="p-hob-db1-gze">參數</p></th><th id="td-0r4-iuj-w0w"><p id="p-vt7-wvb-5ws">描述</p></th></tr></thead><tbody id="tbody-eay-rwe-eeu" class="tbody"><tr id="tr-dmd-e81-dc9"><td id="td-22f-pcr-1pj"><p id="p-c8i-yv0-ux1">restore_point</p></td><td id="td-fv9-13z-876"><p id="p-6ad-1uy-1la">指定還原點名稱。</p></td></tr></tbody></table> ## 示例 * 創建一個還原點 rp1。 ~~~ obclient> CREATE RESTORE POINT rp1; Query OK, 0 rows affected (0.01 sec) ~~~
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