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Advanced SQL

Advanced SQL
A function returns one value and has only output parameters.

False
True

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

Outer join
Natural join
Equi-join
All of these

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Advanced SQL
The UNION clause is used to combine the output from multiple queries together into a single result table.

True
False

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

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

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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
Triggers are stored blocks of code that have to be called in order to operate.

False
True

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MORE MCQ ON Advanced SQL

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