Common Table Expressions

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Syntax

  • WITH cte_name [(column_name_1, column_name_2, ...)] AS (cte_expression)

Remarks

It is necessary to separate a CTE from the previous statement with a semi-colon (;) character.

i.e. ;WITH CommonTableName (...) SELECT ... FROM CommonTableName ...

A CTE's scope is a single batch, and only downstream of its definition. A batch may contain multiple CTEs, and a CTE may reference another CTE defined earlier in the batch, but a CTE may not reference another CTE that is defined later in the batch.

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Wednesday, April 5, 2017
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