Explore topic-wise MCQs in Computer Science Mcqs.

This section includes 163 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Mcqs knowledge and support exam preparation. Choose a topic below to get started.

151.

Using DBMS_DB_VERSION Package Constants which represents the condition that the database version is less than or equal to 10; it is TRUE.

A. VER_LE_10
B. VER_LE_10_2
C. Both A & B
D. None of the above
Answer» B. VER_LE_10_2
152.

PL/SQL Server Pages (PSPs) enable you to develop Web pages with dynamic content.

A. True
B. False
Answer» B. False
153.

Which of the following executes the query and identifies the result set, consisting of all rows that meet the query search criteria.

A. Fetching with a Cursor
B. Opening a cursor
C. Fetching bulk data with a cursor
D. None of the above
Answer» C. Fetching bulk data with a cursor
154.

Which collection exception is raised when a subscript exceeds the number of elements in a collection?

A. VALUE_ERROR
B. COLLECTION_IS_NULL
C. SUBSCRIPT_BEYOND_COUNT
D. SUBSCRIPT_OUTSIDE_LIMIT
Answer» D. SUBSCRIPT_OUTSIDE_LIMIT
155.

WRAP command is used to encrypt a PL/SQL application.

A. True
B. False
Answer» B. False
156.

Oracle-supplied package called DBMS_LOB is used to manipulate the LOB objects.

A. True
B. False
Answer» B. False
157.

Which structure executes a sequence of statements repeatedly as long as a condition holds true?

A. Selection structure
B. Iteration structure
C. Sequence structure
D. None of the above
Answer» C. Sequence structure
158.

PL/SQL is a transaction processing procedural language that has which of the following advantages?

A. Integration with database
B. Better Performance
C. Higher Productivity
D. Portability
E. All mentioned above
Answer» F.
159.

PL/SQL packages are schema objects that group logically related PL/SQL types, variables and subprograms.

A. True
B. False
Answer» B. False
160.

Can BOOLEAN datatype be used in functions that are called from SQL statements?

A. Yes
B. No
Answer» C.
161.

Which data type supports only sequential access of objects?

A. LONG
B. LOB
C. Both A & B
D. None of the above
Answer» B. LOB
162.

What is the maximum number of ELSE clauses that can be included in an IF clause that is not nested?

A. 1
B. 0
C. 15
D. Any number
Answer» B. 0
163.

A RECORD is a collection of data items, which differ from each other in data type, but are logically related.

A. True
B. False
Answer» B. False