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Introduction to SQL

Introduction to SQL
The keyword BETWEEN can be used in a WHERE clause to refer to a range of values.

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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Introduction to SQL
The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

False
True

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Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Data types
Primary keys
Default values
All of these

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Introduction to SQL
SUM, AVG, MIN, and MAX can only be used with numeric columns.

False
True

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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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