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Introduction to SQL

Introduction to SQL
SQL is a data sublanguage.

False
True

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Introduction to SQL
Which of the following SQL commands is used to retrieve data?

DELETE
JOIN
INSERT
SELECT

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Introduction to SQL
Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value.

True
False

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

table
form
file
report

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

file
report
table
form

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Introduction to SQL
SQL data definition commands make up a(n) ________ .

DML
XML
HTML
DDL

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