postgresql alter table add constraint primary key
There are several constraint put in data when using PostgreSQL. They include the PRIMARY KEY constraints, FOREIGN KEY constraint, CHECK ...,ADD table_constraint_using_index. This form adds a new PRIMARY KEY or UNIQUE constraint to a table based on an existing unique index. All the columns of ...
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 postgresql alter table add constraint primary key 相關參考資料
ALTER TABLE - PostgreSQL 正體中文使用手冊
ALTER CONSTRAINT constraint_name [ DEFERRABLE | NOT ... 這些限制可確保索引等同於由常態的ADD PRIMARY KEY 或ADD UNIQUE 指令建立的索引。 https://docs.postgresql.tw Alter Table Add Constraint – How to Use Constraints SQL ...
There are several constraint put in data when using PostgreSQL. They include the PRIMARY KEY constraints, FOREIGN KEY constraint, CHECK ... https://kb.objectrocket.com Documentation: 10: ALTER TABLE - PostgreSQL
ADD table_constraint_using_index. This form adds a new PRIMARY KEY or UNIQUE constraint to a table based on an existing unique index. All the columns of ... https://www.postgresql.org Documentation: 12: ALTER TABLE - PostgreSQL
ADD table_constraint_using_index. This form adds a new PRIMARY KEY or UNIQUE constraint to a table based on an existing unique index. All the columns of ... https://www.postgresql.org Documentation: 9.1: ALTER TABLE - PostgreSQL
ADD table_constraint_using_index. This form adds a new PRIMARY KEY or UNIQUE constraint to a table based on an existing unique index. All the columns of ... https://www.postgresql.org PostgreSQL ALTER TABLE: Modifying Table Structure By ...
To add a CHECK constraint, you use ALTER TABLE ADD CHECK statement: ... TABLE IF EXISTS links; CREATE TABLE links ( link_id serial PRIMARY KEY, title ... https://www.postgresqltutorial PostgreSQL ALTER TABLE命令- PostgreSQL教學 - 極客書
ALTER TABLE ADD PRIMARY KEY約束的表的基本語法如下： ALTER TABLE table_name ADD CONSTRAINT MyPrimaryKey PRIMARY KEY (column1, ... http://tw.gitbook.net PostgreSQL Primary Key - PostgreSQL Tutorial
https://www.postgresqltutorial PostgreSQL: Primary Keys - TechOnTheNet
This PostgreSQL tutorial explains how to create, alter, or drop a primary key in ... ALTER TABLE order_details ADD CONSTRAINT order_details_pk PRIMARY ... https://www.techonthenet.com |