Which two statements are true regarding single row functions?()A.They accept only a single argument B.They can be nested only to two levels C.Arguments can only be column values or constants D.They always return a...
Which two statements are true regarding the Oracle Data Pump export and import operations()A.You cannot export data from a remote database.B.You can rename tables during an import operation.C.You can overwrite existing dump...
A. The leaf blocks in the index are doubly linked.索引中的叶子块是双重链接的。 B. The leaf node stores a bitmap for each key value. C. The rows with NULL value in key columns also have entries in the index. D. The deletion of a row from the table causes a logical deletion in ...
Which two statements are true regarding transactions in an Oracle database? (Choose two.) A. Multiple transactions can use the same undo segment. B. undo段 C. A transaction is assigned an undo segment when it is started. D. undo 还原段。 E. More than one transaction cannot share the ...
A. It can load data from external files by using the direct path only. B. It can load data into multiple tables using the same load statement. C. It can load data into one table at a time. D. It can generate unique sequential key values in specified columns. E. It can load data...
Which two statements are true? 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 这两个语句是真的吗?
A. ? (Choose two.) B. An SPFILE can be created from a PFILE or from memory. C. A PFILE can be used to start up a database instance even if an SPFILE exists. D. An SPFILE must reside in the ORACLE_HOME/dbsdirectory. E. An SPFILE can be created only before a database instance...
Which two statements are true regarding the execution of the correlated subqueries?() A. The nested query executes after the outer query returns the row. B. The nested query executes first and then the outer query ...
() A. It must include a root password B. It is roll back file number 50, and you can recover it by issuing rollback 50 C. It is created by issuing request system configuration rescue save D. It is updated automatically when you commit 相关知识点: 试题来源: 解析 A,C ...
() A. The forwarding table lists each source protocol and preference for each destination B. The forwarding table constains only active routes C. The forwarding table is used to process transit packets D. The forwarding table is stored in compact flash 相关知识点: ...