Oracle Database MCQs with answers Page - 4

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A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT ROUND(12.345,2) FROM dual;

  • (A) 12.34
  • (B) 12.35
  • (C) 12.3
  • (D) 12

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT TRUNC(12.987,2) FROM dual;

  • (A) 12.98
  • (B) 12.99
  • (C) 12.9
  • (D) 13

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT 'HELLO'||'WORLD' FROM dual;

  • (A) HELLO WORLD
  • (B) HELLOWORLD
  • (C) HELLO+WORLD
  • (D) Error

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT POWER(2,3) FROM dual;

  • (A) 6
  • (B) 8
  • (C) 9
  • (D) 5

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT CEIL(4.2) FROM dual;

  • (A) 4
  • (B) 5
  • (C) 6
  • (D) Error

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT FLOOR(4.8) FROM dual;

  • (A) 4
  • (B) 5
  • (C) 3
  • (D) Error

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT SUBSTR('DATABASE',1,4) FROM dual;

  • (A) DATA
  • (B) ATAB
  • (C) BASE
  • (D) DATAB

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT INSTR('ORACLE','A') FROM dual;

  • (A) 2
  • (B) 3
  • (C) 4
  • (D) 5

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT ABS(-25) FROM dual;

  • (A) -25
  • (B) 25
  • (C) 0
  • (D) Error

A

Arogya • 2.57K Points
Extraordinary

Q. Output?
SELECT CASE WHEN 5>3 THEN 'YES' ELSE 'NO' END FROM dual;

  • (A) YES
  • (B) NO
  • (C) NULL
  • (D) Error

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