Quiz Questions

Q. 1 ) The full form of DDL is

A)Dynamic Data Language

B)Detailed Data Language

C)Data Definition Language

D)Data Derivation Language

E)

Q. 2 ) he method of access which uses key transformation is known as

A)direct.

B) hash.

C)random

D)sequential.

E)

Q. 3 ) A report generator is used to

A) update files.

B)print files on paper.

C)delete files.

D)data entry.

E)

Q. 4 ) Relational calculus is a

A)Procedural language.

B) Non- Procedural language.

C)Data definition language.

D) High level language

E)

Q. 5 ) In the relational modes, cardinality is termed as:

A)Number of tuples

B) Number of attributes.

C) Number of tables.

D)Number of constraints.

E)

Q. 6 ) Can this query be executed and is it useful (according to the table and column definitions)? SELECT CTITLE, CID FROM COURSES WHERE CID = '7820'

A) Query cannot be executed (gives a syntax error).

B)Query can be executed and makes sense (according to the table and column definitions).

C)Query can be executed but returns nonsense.

D)

E)

Q. 7 ) What does SQL stand for?

A)Structured Query Language

B)Strong Question Language

C)Structured Question Language

D)Simple Query Language

E)

Q. 8 ) What does the abbreviation DBMS stand for?

A)Digital Base Mapping System

B)Database Manipulation Software

C)Database Management System.

D)Data Borrowing and Movement Software.

E)None of above

Q. 9 ) ndexed views work best when the underlying data is infrequently updated.

A)False

B)True

C)

D)

E)

Q. 10 ) What is the default "SORT" order for a SQL?

A)Ascending

B)Descending

C)

D)

E)

Q. 11 ) Which feature converts row data to column for better analytical view?

A)Pivot

B)Random

C)Both

D)

E)

Q. 12 ) Which of the following is not a factor in determining the concurrency control behavior of SQL Server?

A)Lock level

B)Transaction isolation level

C)Cursor concurrency setting

D)Locking hints

E)

Q. 13 ) The strictest transaction isolation level provided by SQL Server is called:

A)REPEATABLE READ.

B)SERIALIZABLE.

C)READ COMMITTED.

D)READ UNCOMMITTED

E)

Q. 14 ) How many tables may be included with a join?

A)One

B)Two

C)Three

D)All of the above.

E)

Q. 15 ) A CASE SQL statement is which of the following?

A)A way to establish an IF-THEN-ELSE in SQL.

B)A way to establish a loop in SQL.

C)A way to establish a data definition in SQL.

D)All of the above.

E)

Q. 16 ) To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

A)ONLY

B)UNIQUE

C)DISTINCT

D)SINGLE

E)

Q. 17 ) Which one of the following sorts rows in SQL?

A)SORT BY

B)ALIGN BY

C)ORDER BY

D)GROUP BY

E)

Q. 18 ) ON UPDATE CASCADE ensures which of the following?

A)Normalization

B)Data Integrity

C)Materialized Views

D)All of the above.

E)

Q. 19 ) The wildcard in a WHERE clause is useful when?

A)An exact match is necessary in a SELECT statement.

B)An exact match is not possible in a SELECT statement.

C)An exact match is necessary in a CREATE statement.

D)An exact match is not possible in a CREATE statement.

E)