053384

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.

The VERSIONS BETWEEN clause of the Flashback Versions Query can not query past table modification or DDL changes to a table.

原文地址:https://www.cnblogs.com/Babylon/p/7826629.html