JOIN Syntax
MySQL supports the following JOIN syntaxes for the table_references part of SELECT statements.
table_reference, table_reference
table_reference [INNER | CROSS] JOIN table_reference [join_condition]
table_reference STRAIGHT_JOIN table_reference
table_reference LEFT [OUTER] JOIN table_reference join_condition
table_reference NATURAL [LEFT [OUTER]] JOIN table_reference
{ ON table_reference LEFT OUTER JOIN table_reference
ON conditional_expr }
table_reference RIGHT [OUTER] JOIN table_reference join_condition
table_reference NATURAL [RIGHT [OUTER]] JOIN table_reference
table_reference is defined as:
tbl_name [[AS] alias]
[{USE|IGNORE|FORCE} INDEX (key_list)]
join_condition is defined as:
ON conditional_expr | USING (column_list)
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