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Advanced SQL

Advanced SQL
Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table.

True
False

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Advanced SQL
How many tables may be included with a join?

All of these
Two
Three
One

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Advanced SQL
What type of join is needed when you wish to return rows that do have matching values?

Natural join
All of these
Outer join
Equi-join

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Advanced SQL
With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible.

False
True

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Advanced SQL
Which of the following is true concerning a procedure?

They do not need to have a unique name.
They include procedural and SQL statements.
They are the same thing as a function.
You do not create them with SQL.

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Advanced SQL
What type of join is needed when you wish to include rows that do not have matching values?

Natural join
Equi-join
All of these
Outer join

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