Oracle 11G OCP 1Z0-053 384

(384)Which of the following statements is true regarding the VERSIONS BETWEEN clause?

A. The VERSIONS BETWEEN clause may be used in DML statements.

B. The VERSIONS BETWEEN clause may be used in DDL statements.

C. The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.

D. The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.

答案:(C)

解析:

A(X),B(X),VERSIONS BETWEEN子句只能用于SELECT语句,查询过去对表的DML操作

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