a) Alter b) Update c) Create d) select Answer: a
View QuestionData independence means
a) data is defined separately and not included in programs b) programs are not dependent on the physical ...
View QuestionIt is possible to define a schema completely using
a) VDL and DDL b) DDL and DML c) SDL and DDL d) VDL and DML Answer: b
View QuestionThe method of access which uses key transformation is known as
a) direct b) hash c) random d) sequential Answer: b
View QuestionTransaction 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 ...
View QuestionAn 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 ...
View QuestionA 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 ...
View QuestionWhich 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 ...
View QuestionCount function in SQL returns the number of
a) values b) distinct values c) groups d) columns Answer: a
View QuestionA subschema expresses
a) the logical view b) the physical view c) the external view d) all of the above Answer: c
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