Quiz Discussion

Which one of the following is not true for a view

Course Name: SQL -Structured Query Language

  • 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
No Solution Present Yet

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# Quiz
1
Discuss

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

  • 1]

    The LIMIT constraint

  • 2]

    The CHECK constraint

  • 3]

    The VALUE constraint

  • 4]

    None of the above

Solution
2
Discuss

Which of the following is a comparison operator in SQL?

  • 1]

    =

  • 2]

    LIKE

  • 3]

    BETWEEN

  • 4]

    All of the above

Solution
3
Discuss

Which of the following is a valid SQL type?

  • 1]

    CHARACTER

  • 2]

    NUMERIC

  • 3]

    FLOAT

  • 4]

    All of the above

Solution
4
Discuss

A report generator is used to

  • 1]

    update files

  • 2]

    print files on paper

  • 3]

    data entry

  • 4]

    delete files

Solution
5
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
6
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
7
Discuss

The language which has recently become the defacto standard for interfacing application programs with relational database system is

  • 1]

    Oracle

  • 2]

    SQL

  • 3]

    DBase

  • 4]

    4GL

Solution
8
Discuss

The statement in SQL which allows changing the definition of a table is

  • 1]

    Alter

  • 2]

    Update

  • 3]

    Create

  • 4]

    Select

Solution
9
Discuss

A reason for using an SQL view to hide columns is

  • 1]

    to simplify a result only

  • 2]

    to prevent the display of sensitive data only

  • 3]

    to accomplish both of the above

  • 4]

    None of the above

Solution
10
Discuss

Which of the following is an SQL trigger supported by Oracle?

  • 1]

    BEFORE

  • 2]

    AFTER

  • 3]

    INSTEAD OF

  • 4]

    All of the above

Solution
# Quiz