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CH 5 - SQL Language and Database Concepts

Authored by N M

Computers

University

Used 3+ times

CH 5 - SQL Language and Database Concepts
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does DDL stand for in SQL?

Data Distribution Language

Data Development Language

Data Description Language

Data Definition Language

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SQL command is used to create a new table?

NEW table

INSERT table

CREATE table

ADD table

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'where' clause in an SQL query?

To specify conditions for filtering results

To define the structure of a table

To join multiple tables

To select all attributes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a valid data type in SQL?

varchar

text

character

string

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'primary key' constraint ensure?

Uniqueness of values in a column

Allows null values

Links to another table

Defines the data type

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SQL command is used to remove a table from the database?

CLEAR table

DELETE table

DROP table

REMOVE table

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'select' clause do in an SQL query?

Defines the tables to be used

Creates a new table

Filters the results

Specifies the attributes to be returned

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