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Introduction to SQL

Introduction to SQL
SQL query and modification commands make up a(n) ________ .

DML
XML
HTML
DDL

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Introduction to SQL
Which SQL keyword is used to retrieve only unique values?

DISTINCTIVE
DISTINCT
UNIQUE
DIFFERENT

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Introduction to SQL
The result of a SQL SELECT statement is a ________ .

file
form
report
table

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Introduction to SQL
Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

0
9
5
10

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Introduction to SQL
To establish a range of values, < and > can be used.

False
True

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Introduction to SQL
The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.

True
False

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