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SQL Reference
SQL Reference
:
OpenEdge SQL Elements and Statements in Backus Naur Form
:
Data types syntax in BNF
:
Statements, DDL and DML syntax in BNF
:
CREATE TABLE
:
Table Constraint
Table Constraint
table_constraint
::=
[
CONSTRAINT
constraint_name
]
PRIMARY KEY (
column
[
,
...
]
)
|
UNIQUE (
column
[
,
...
]
)
|
FOREIGN KEY (
column
[
,
...
]
)
REFERENCES
[
owner_name
.
]
table_name
[
(
column
[
,
...
]
)
]
|
CHECK (
search_condition
)
