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ORACLE:テーブルバックアップ

Last updated at Posted at 2020-05-12

#ORACLEテーブルバックアップ
1. バックアップ
CREATE TABLE バックアップ先 AS SELECT * FROM バックアップ元 ;

*2. 差分確認
SELECT * FROM バックアップ先 MINUS SELECT * FROM バックアップ元;
⇒レコードが選択されなければOK

※参考URL
https://minory.org/sql-minus-union.html

#ORACLEテーブル復元
1. テーブル削除
DROP TABLE 削除対象;

2. テーブル復元
CREATE TABLE 復旧後テーブル AS SELECT * FROM 復旧元テーブル;

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