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DBMS Training & SQL Tutorial :
SQL Basics and SQL Data Types


Answer the following multiple-choice questions about introductory concepts of SQL and SQL data types.

Formats Info Page/Theory Quiz Review
Multiple choice

Your Performance  

1.

_______ value is used to represent unknown or undefined values.

  NULL

  ZERO

  Blank

  Half-n-half Clue
 

2.

To represent a national character set literal, it has to be preceded by _______.

  C

  CN

  NC

  N

  Half-n-half Clue
 

3.

SQL is a _______ language.

  object-oriented

  procedural

  non-procedural

  Half-n-half Clue
 

4.

Which type of SQL environment provides more flexibility in the event of any change in database object names?

  PL

  Embedded

  Dynamic

  Real - time

  Half-n-half Clue
 

5.

SQL is a record level language.

  True

  False

 

6.

The data type of a column is declared as CHAR(5). Can the column contain a string of four characters?

  Yes

  No

 

7.

SQL statements can be executed without a DBMS.

  True

  False

 


 
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