Quiz Discussion

What SQL structure is used to limit column values of a table?

Course Name: SQL -Structured Query Language

  • 1]

    The LIMIT constraint

  • 2]

    The CHECK constraint

  • 3]

    The VALUE constraint

  • 4]

    None of the above

Solution
No Solution Present Yet

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# Quiz
1
Discuss

Which one of the following is not true for a view

  • 1]

    View is derived from other tables

  • 2]

    View is a virtual table

  • 3]

    A view definition is permanently stored as part of the database

  • 4]

    View never contains derived columns

Solution
2
Discuss

A report generator is used to

  • 1]

    update files

  • 2]

    print files on paper

  • 3]

    data entry

  • 4]

    delete files

Solution
3
Discuss

Count function in SQL returns the number of

  • 1]

    Values

  • 2]

    Distinct values

  • 3]

    Groups

  • 4]

    Columns

Solution
4
Discuss

The SQL ALTER statement can be used to

  • 1]

    Change the table structure

  • 2]

    Change the table data

  • 3]

    Add rows to the table

  • 4]

    Delete rows from the table

Solution
5
Discuss

Which of the following is a comparison operator in SQL?

  • 1]

    =

  • 2]

    LIKE

  • 3]

    BETWEEN

  • 4]

    All of the above

Solution
6
Discuss

To delete a particular column in a relation the command used is

  • 1]

    UPDATE

  • 2]

    DROP

  • 3]

    ALTER

  • 4]

    DELETE

Solution
7
Discuss

Which of the following is a valid SQL type?

  • 1]

    CHARACTER

  • 2]

    NUMERIC

  • 3]

    FLOAT

  • 4]

    All of the above

Solution
8
Discuss

‘AS’ clause is used in SQL for

  • 1]

    Selection operation

  • 2]

    Rename operation

  • 3]

    Join operation

  • 4]

    Projection operation

Solution
9
Discuss

What is not an advantage of stored procedures?

  • 1]

    Greater security

  • 2]

    SQL can be optimized

  • 3]

    Code sharing

  • 4]

    Increased network traffic

Solution
10
Discuss

Which of the following is an advantage of view?

  • 1]

    Data security

  • 2]

    Derived columns

  • 3]

    Hiding of complex queries

  • 4]

    All of the above

Solution
# Quiz