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Introduction to SQL

Introduction to SQL
Which of the following is a SQL aggregate function?

LEN
AVG
LEFT
JOIN

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Introduction to SQL
The SQL keyword BETWEEN is used:

to limit the columns displayed.
None of these
as a wildcard.
for ranges.

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Introduction to SQL
Select the right statement to insert values to the student table.

INSERT INTO student VALUES (
INSERT VALUES (
INSERT VALUES INTO student (
INSERT student VALUES (

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Introduction to SQL
Which of the following is the original purpose of SQL?

To specify the syntax and semantics of SQL manipulation language
To define the data structures
To specify the syntax and semantics of SQL data definition language
All of these

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Introduction to SQL
Indexes can usually be created for both primary and secondary keys.

False
True

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Introduction to SQL
SQL is:

a programming language.
a DBMS.
a data sublanguage.
an operating system.

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