postgresql references keyword
So we define a foreign key constraint in the orders table that references the products table: CREATE TABLE orders ( order_id integer PRIMARY KEY, product_no ... ,INSERT INTO weather VALUES ('Berkeley', 45, 53, 0.0, '1994-11-28'); ERROR: insert or update on table weather violates foreign key constraint ...
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 postgresql references keyword 相關參考資料
3.3. 外部索引鍵 - PostgreSQL 正體中文使用手冊
這個辦法還有很多問題，而且很不方便，所以PostgreSQL 可以幫助你解決這個需求。 ... ERROR: insert or update on table weather violates foreign key constraint ... https://docs.postgresql.tw Constraints
So we define a foreign key constraint in the orders table that references the products table: CREATE TABLE orders ( order_id integer PRIMARY KEY, product_no ... https://www.postgresql.org Documentation: 13: 3.3. Foreign Keys - PostgreSQL
INSERT INTO weather VALUES ('Berkeley', 45, 53, 0.0, '1994-11-28'); ERROR: insert or update on table weather violates foreign key constraint ... https://www.postgresql.org Documentation: 8.0: Constraints - PostgreSQL
So we define a foreign key constraint in the orders table that references the products table: CREATE TABLE orders ( order_id integer PRIMARY KEY, product_no ... https://www.postgresql.org Documentation: 8.1: SQL Key Words - PostgreSQL
https://www.postgresql.org Documentation: 9.4: Constraints - PostgreSQL
As you see, the constraint definition comes after the data type, just like default value definitions. Default values and constraints can be listed in any order. https://www.postgresql.org Documentation: 9.5: Constraints - PostgreSQL
So we define a foreign key constraint in the orders table that references the products table: CREATE TABLE orders ( order_id integer PRIMARY KEY, product_no ... https://www.postgresql.org Documentation: 9.6: Foreign Keys - PostgreSQL
INSERT INTO weather VALUES ('Berkeley', 45, 53, 0.0, '1994-11-28'); ERROR: insert or update on table weather violates foreign key constraint ... https://www.postgresql.org PostgreSQL Foreign Key
In this tutorial, you will learn about PostgreSQL foreign key and how to add foreign keys to tables using foreign key constraints. https://www.postgresqltutorial What is difference between foreign key and reference key?
2011年12月21日 — instead of the table-level foreign key constraint, which is placed ... Both Postgres and Microsoft's SQL Server respect both column- and ... https://stackoverflow.com |