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Introduction to SQL

Introduction to SQL
The SQL statement that queries or reads data from a table is ________ .

READ
None of these
SELECT
QUERY

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

report
table
form
file

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Introduction to SQL
A subquery in an SQL SELECT statement:

can only be used with two tables.
has a distinct form that cannot be duplicated by a join.
cannot have its results sorted using ORDER BY.
can always be duplicated by a join.

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

True
False

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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
All of these
Default values

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Introduction to SQL
Which of the following is the correct order of keywords for SQL SELECT statements?

WHERE, FROM,SELECT
FROM, WHERE, SELECT
SELECT,WHERE,FROM
SELECT, FROM, WHERE

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