Q.1 A relational database developer refers to a record as
(A) a criteria.
(B) a relation.
(C) a tuple.
(D) an attribute.
Q.2 The relational model feature is that there
(A) is no need for primary key data.
(B) is much more data independence than some other database models.
(C) are explicit relationships among records.
(D) are tables with many dimensions.
Q.3 Conceptual design
(A) is a documentation technique.
(B) needs data volume and processing frequencies to determine the size of the database.
(C) involves modelling independent of the DBMS.
(D) is designing the relational model.
Q.4 The method in which records are physically stored in a specified order according to a key field in each record is
(A) hash.
(B) direct.
(C) sequential.
(D) all of the above.
Q.5 A subschema expresses
(A) the logical view.
(B) the physical view.
(C) the external view.
(D) all of the above.
Q.6 Count function in SQL returns the number of
(A) values.
(B) distinct values.
(C) groups.
(D) columns.
Q.7 Which one of the following statements is false?
(A) The data dictionary is normally maintained by the database administrator.
(B) Data elements in the database can be modified by changing the data dictionary.
(C) The data dictionary contains the name and description of each data element.
(D) The data dictionary is a tool used exclusively by the database administrator.
Q.8 An advantage of the database management approach is
(A) data is dependent on programs.
(B) data redundancy increases.
(C) data is integrated and can be accessed by multiple programs.
(D) none of the above.
Q.9 A DBMS query language is designed to
(A) support end users who use English-like commands.
(B) support in the development of complex applications software.
(C) specify the structure of a database.
(D) all of the above.
Q.10 Transaction processing is associated with everything below except
(A) producing detail, summary, or exception reports.
(B) recording a business activity.
(C) confirming an action or triggering a response.
(D) maintaining data.
Q.11 It is possible to define a schema completely using
(A) VDL and DDL.
(B) DDL and DML.
(C) SDL and DDL.
(D) VDL and DML.
Q.12 The method of access which uses key transformation is known as
(A) direct.
(B) hash.
(C) random.
(D) sequential.
ANSWERS:
Ans 1: C
Ans 2: B
Ans 3:C
Ans 4: A
Ans 5: C
Ans 6: A
Ans 7: B
Ans 8: C
Ans 9: D
Ans 10: C
Ans 11: B
Ans 12: B
(A) a criteria.
(B) a relation.
(C) a tuple.
(D) an attribute.
Q.2 The relational model feature is that there
(A) is no need for primary key data.
(B) is much more data independence than some other database models.
(C) are explicit relationships among records.
(D) are tables with many dimensions.
Q.3 Conceptual design
(A) is a documentation technique.
(B) needs data volume and processing frequencies to determine the size of the database.
(C) involves modelling independent of the DBMS.
(D) is designing the relational model.
Q.4 The method in which records are physically stored in a specified order according to a key field in each record is
(A) hash.
(B) direct.
(C) sequential.
(D) all of the above.
Q.5 A subschema expresses
(A) the logical view.
(B) the physical view.
(C) the external view.
(D) all of the above.
Q.6 Count function in SQL returns the number of
(A) values.
(B) distinct values.
(C) groups.
(D) columns.
Q.7 Which one of the following statements is false?
(A) The data dictionary is normally maintained by the database administrator.
(B) Data elements in the database can be modified by changing the data dictionary.
(C) The data dictionary contains the name and description of each data element.
(D) The data dictionary is a tool used exclusively by the database administrator.
Q.8 An advantage of the database management approach is
(A) data is dependent on programs.
(B) data redundancy increases.
(C) data is integrated and can be accessed by multiple programs.
(D) none of the above.
Q.9 A DBMS query language is designed to
(A) support end users who use English-like commands.
(B) support in the development of complex applications software.
(C) specify the structure of a database.
(D) all of the above.
Q.10 Transaction processing is associated with everything below except
(A) producing detail, summary, or exception reports.
(B) recording a business activity.
(C) confirming an action or triggering a response.
(D) maintaining data.
Q.11 It is possible to define a schema completely using
(A) VDL and DDL.
(B) DDL and DML.
(C) SDL and DDL.
(D) VDL and DML.
Q.12 The method of access which uses key transformation is known as
(A) direct.
(B) hash.
(C) random.
(D) sequential.
ANSWERS:
Ans 1: C
Ans 2: B
Ans 3:C
Ans 4: A
Ans 5: C
Ans 6: A
Ans 7: B
Ans 8: C
Ans 9: D
Ans 10: C
Ans 11: B
Ans 12: B
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