Openedge Data Management: SQL Reference - Product ...

OpenEdge SQL Elements and Statements in Backus Naur Form
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Null predicate
Syntax
null_predicate ::=
column_name IS [ NOT ] NULL
Like predicate
Syntax
like_predicate ::=
column_name [ NOT ] LIKE string_constant
[ ESCAPE escape_character ]
Exists predicate
Syntax
exists_predicate ::=
EXISTS (query_expression)
In predicate
Syntax
in_predicate ::=
expr [ NOT ] IN
{ (query_expression) | (constant , constant [ , ... ] ) }
Outer join predicate
Syntax
outer_join_predicate ::=
[ table_name.]column = [ table_name.]column (+)
| [ table_name.]column (+) = [ table_name.]column
Statements, DDL and DML syntax in BNF
This section lists OpenEdge SQL Data Definition Language (DDL) and Data Manipulation
Language (DML) statements in Backus-Naur Form (BNF).
ALTER USER
Syntax
alter user statement ::=
ALTER USER 'username', 'old_password', 'new_password' ;