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Given: Under which three circumstances will the code on line 37 be executed?()
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问答题
事务就是把很多相联的sql语句作为一个单元进行操作。 相关命令:Commit;,savepoint,rollback。
View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation: What is the multiplexing level in the preceding backup process()
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