query_expression

Grammar1: AdabasD V13n

<query_expression> ::=
        <query_term>
    |   <query_expression> {UNION | EXCEPT} [ALL] <query_term>

Referenced by:
<create_snapshot_statement>, <create_table_statement>, <create_view_statement>, <from_table_spec>, <insert_statement>, <query_expression>, <query_primary>, <select_statement>, <subquery>

Grammar2: MaxDB V7_6n

<query_expression> ::= 
  <query_term> 
| <query_expression> {UNION | EXCEPT} [ALL] <query_term> 

Referenced by:
<create_table_statement>, <create_view_statement>, <from_table_spec>, <insert_statement>, <query_expression>, <query_primary>, <select_statement>, <subquery>