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 = ‘%SA_’;
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 LIKE ‘%SA\_%’ ESCAPE ‘\’;
Explanation:
ESCAPE identifier to search for the actual % and _ symbol
Refer : Introduction to Oracle9i : SQL, Oracle University Study Guide, 2-13
Ans =d
WHAT ABOUT B
Ans = d to fetch data with special char. we have to use wildcards
D
The right choice is D.
B
B