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In this page we are going to discuss, how more than one index numbers for more columns can be used to make the result of a query in descending order based on those columns.

In this page we are going to discuss, how the SQL ORDER BY clause can be used to impose an order on the result of a query.

In this page we are going to discuss, how SQL FOREIGN KEY CONSTRAINT can be used on more than one columns with primary key column list in a CREATE TABLE statement.

In this page we are going to discuss the usage of SQL PRIMARY KEY CONSTRAINT along with the CREATE TABLE statement for two or more columns.

In this page we are going to discuss about such a join which involves the participation of three tables and there is a parent-child relationship between these tables.

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