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.
出自:Oracle认证