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Introduction to SQL

Introduction to SQL
Which SQL statement is used to delete data FROM a database?

DELETE
REMOVE
ALTER
COLLAPSE

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Introduction to SQL
The ADD command is used to enter one row of data or to add multiple rows as a result of a query.

True
False

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Introduction to SQL
The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs

Hi
TRUE
Nothing
FLASE

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Introduction to SQL
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

NATURAL JOIN
EQUIJOIN
NON-EQUIJOIN
OUTER JOIN

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Introduction to SQL
SQL is a data sublanguage.

False
True

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

True
False

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