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Introduction to SQL

Introduction to SQL
SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN.

True
False

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Introduction to SQL
Which of the following is valid SQL for an Index?

CREATE INDEX ID;
ADD INDEX ID;
CHANGE INDEX ID;
REMOVE INDEX ID;

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Introduction to SQL
The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters."

True
False

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

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

DDL
HTML
DML
XML

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Introduction to SQL
When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

NOT IN only.
LIKE only.
IN only.
Both IN and NOT IN.

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