create table pk mysql
The SQL standard specifies that all types of constraints (primary key, unique index, foreign key, check) belong to the same namespace. In MySQL, each constraint ... ,... 長度等) 語法下麵是通用的SQL語法用來創建MySQL表: CREATE TABLE table_name ... NOT NULL, submission_date DATE, PRIMARY KEY ( tutorial_id ) );.
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create table pk mysql 相關參考資料
13.1.18 CREATE TABLE Statement - MySQL :: Developer Zone
The SQL standard specifies that all types of constraints (primary key, unique index, foreign key, check) belong to the same namespace. In MySQL, each constraint ... https://dev.mysql.com 13.1.20 CREATE TABLE Statement - MySQL :: Developer Zone
The SQL standard specifies that all types of constraints (primary key, unique index, foreign key, check) belong to the same namespace. In MySQL, each constraint ... https://dev.mysql.com MySQL Create Table創建表- MySQL教學 - 極客書
... 長度等) 語法下麵是通用的SQL語法用來創建MySQL表: CREATE TABLE table_name ... NOT NULL, submission_date DATE, PRIMARY KEY ( tutorial_id ) );. http://tw.gitbook.net MySQL Primary Key - MySQL Tutorial
In this tutorial, you will learn how to use MySQL primary key constraint to create the primary key for a table. https://www.mysqltutorial.org MySQL: Primary Keys - TechOnTheNet
https://www.techonthenet.com PRIMARY KEY definition in MySQL CREATE TABLE statement
The second syntax is merely a shortcut allowing you to specify the column and add an index on it in a single clause. This works out fine in ... https://stackoverflow.com SQL FOREIGN KEY Constraint 限制- SQL 語法教學Tutorial
如果想在MySQL 資料庫中使用外鍵限制,必需讓資料表使用InnoDB 儲存 ... NOT NULL, C_Id INT, PRIMARY KEY (O_Id), FOREIGN KEY (C_Id) ... https://www.fooish.com SQL PRIMARY KEY Constraint - W3Schools
SQL PRIMARY KEY on CREATE TABLE. The following SQL creates a PRIMARY KEY on the "ID" column when the "Persons" table is created: MySQL: CREATE ... https://www.w3schools.com SQL PRIMARY KEY Constraint 限制- SQL 語法教學Tutorial
ALTER TABLE customer ADD CONSTRAINT u_Customer_Id PRIMARY KEY (C_Id, Name);. 移除資料表限制ALTER TABLE... MySQL. ALTER ... https://www.fooish.com SQL 主鍵- 1Keydata SQL 語法教學
MySQL: CREATE TABLE Customer (SID integer, Last_Name varchar(30), First_Name varchar(30), PRIMARY KEY (SID));. Oracle: CREATE TABLE Customer https://www.1keydata.com |