29 lines
922 B
Plaintext
29 lines
922 B
Plaintext
[ WITH $with_query$ [ , ... ] ] MERGE INTO { ONLY $target_table_name$ | $target_table_name$ [ * ] } [ [ AS ] $target_alias$ ]
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USING $data_source$ ON $join_condition$
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$when_clause$ [ ... ]
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where $data_source$ is:
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{ { ONLY $source_table_name$ | $source_table_name$ [ * ] } | ( $source_query$ ) } [ [ AS ] $source_alias$ ]
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where $when_clause$ is:
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{ WHEN MATCHED [ AND $condition$ ] THEN { $merge_update$ | $merge_delete$ | DO NOTHING } |
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WHEN NOT MATCHED [ AND $condition$ ] THEN { $merge_insert$ | DO NOTHING } }
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where $merge_insert$ is:
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INSERT [( $column_name$ [ , ... ] )]
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// [ OVERRIDING { SYSTEM | USER } VALUE ]
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VALUES ( { $expression$ | DEFAULT } [ , ... ] ) |
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INSERT DEFAULT VALUES
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where $merge_update$ is:
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UPDATE SET { $column_name$ = { $expression$ | DEFAULT } |
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( $column_name$ [ , ... ] ) = ( { $expression$ | DEFAULT } [ , ... ] ) } [ , ... ]
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where $merge_delete$ is:
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DELETE
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