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

EQUIJOIN
NATURAL JOIN
OUTER JOIN
NON-EQUIJOIN

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Introduction to SQL
What is a view?

None of these
A view is a special stored procedure executed when certain event occurs.
A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.
A view is a database diagram.

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Introduction to SQL
If a query involves NOT, AND, OR with no parenthesis

NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last.
AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last.
NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last.
The order of occurrence determines the order of evaluation.

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