Cardinality in PostgreSQL
-
01-10-2019 - |
Pergunta
I have a UML diagram of what I need my database schema to look like. This diagram includes roles and cardinality. How can I enforce cardinality in Postgres?
Solução
Cardinality is enforced by using constraints.
http://www.postgresql.org/docs/8.1/static/ddl-constraints.html
Licenciado em: CC-BY-SA com atribuição
Não afiliado a StackOverflow