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KPPSC - MCQs
Q
A PL /SQL block can return data to SQL* plus through:
A
Local variables
B
Bind variables
C
substitution variables
D
none of these
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KPPSC
Lecturer Computer Science 17-11-21
Uploaded By: Amir Iqbal
Q
Which of the following SQL* Plus commands can be used to see the compilation errors in a PUSQL code?
A
TRACE
B
TRACE
C
DEBUG
D
SHOW ERRORS
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KPPSC
Lecturer Computer Science 17-11-21
Uploaded By: Amir Iqbal
Q
In SQL 10 null be evaluated to
A
FALSE
B
-1
C
Null
D
10
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KPPSC
Lecturer Computer Science 17-11-21
Uploaded By: Amir Iqbal
Q
Which of the following is illegal?
A
SELECT SYSDATE ? SYSDATE FROM DUAL;
B
SELECT SYSDATE ? (SYSDATE ? 2) FROM DUAL;
C
SELECT SYSDATE ? (SYSDATE + 2) FROM DUAL;
D
None of these
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KPPSC
Lecturer Computer Science 17-11-21
Uploaded By: Amir Iqbal
Q
Which of the following SQL commands can be used to add data to a database table?
A
INSERT
B
ADD
C
UPDATE
D
APPEND
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KPPSC
Lecturer Computer Science 17-11-21
Uploaded By: Amir Iqbal
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