Question Discussion & Solution

MCQ

In SQL, which command is used to add new rows to a table?

ALTER TABLE

ADD ROW

INSERT

APPEND

None of the above

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MCQ

A condition that led to the development of databases was

a demand for more data to support information needs

an increase in the amount of data handled by organizations

the proliferation of data files

All of the above

None of the above.

Discussion

MCQ

Which of the following is not characteristic of a relational database model?

tables

treelike structure

complex logical relationships

records

None of the above

Discussion

MCQ

Which two files are used during operation of the DBMS?

query language and utilities

data manipulation language and query language

data dictionary and transaction log

data dictionary and query language

None of the above

Discussion

MCQ

In SQL, the CREATE VIEW command is used

to recompile view

to define a view of one or more tables or views

to recompile a table

to create a trigger

None of the above

Discussion

MCQ

In SQL, the CREATE TABLE is used

to create a table, defining its columns, integrity constrains, and storage allocation

to add a column/integrity constraint to a table

to redefine a column

to change a table's storage characteristics

All of the above

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History and Generations

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Number System

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