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Oracle认证考试

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The EMP table contains these columns: EMPLOYEE_ID NUMBER(4) EMPNAME VARCHAR2 (25) SALARY NUMBER(9,2) HIRE_DATE DATE You query the database with this SQL statement: SELECT empname,hire_date HIREDATE, salary FROM EMP ORDER BY hire_date; How will the results be sorted?()

  • A、randomly
  • B、ascending by date
  • C、descending by date
  • D、ascending alphabetically
  • E、descending alphabetically
正确答案:B
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