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Oracle认证考试

睦霖题库>其他计算机考试>Oracle认证考试

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.
正确答案:C
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