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SQL GROUP BY Clause

The GROUP BY clause is used to summarize data based on grouping criteria. For each group one column is returned in result set. Syntax SELECT expression1, expression2, … expressionN, aggregate_function (aggregate_expression) FROM TableName WHERE conditions GROUP...

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SQL CREATE TABLE Statement

A table is primarily a list of useful items or a group of lists and to manage such list it should be organised. To organise this information it is divided into rows and columns....