Oracle OCP 1Z0-053 Q252(Flashback Version Query)
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.
Answer: C
VERSIONS BETWEEN只能用來查詢過去的DML操作
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.
Answer: C
VERSIONS BETWEEN只能用來查詢過去的DML操作
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