SQL Statements › CREATE TABLE › Table Constraint Definition

Table Constraint Definition

Following is the syntax diagram for the table constraint definition:

►►─┬─┬─ UNIQUE ──────┬─ (column-list) ───┬─ CONSTRAINTconstraint-name ────────►◄
   │ └─ PRIMARY KEY ─┘                   │
   ├─ referential constraint definition ─┤
   └─ CHECK(search condition) ───────────┘