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Oracle认证考试

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The EMPLOYEES table contains these columns: EMPLOYEE_ID NUMBER(4) LAST_NAME VARCHAR2 (25) JOB_ID VARCHAR2(10) You want to search for strings that contain 'SA_' in the JOB_ID column. Which SQL statement do you use?()

  • A、SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA/_%'ESCAPE'/';
  • B、SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA_';
  • C、SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA_'ESCAPE'/';
  • D、SELECT employee_id, last_name, job_id FROM employees WHERE job_id '%SA_';
正确答案:A
答案解析:
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