create table pk
Note − You would use these concepts while creating database tables. Create Primary Key. Here is the syntax to define the ID attribute as a primary key in a ... ,SQL PRIMARY KEY Constraint on CREATE TABLE. 下面的SQL 在"Persons" 表创建时在"Id_P" 列创建PRIMARY KEY 约束： ...
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 create table pk 相關參考資料
SQL主鍵- SQL基礎教程 - 極客書
CREATE TABLE CUSTOMERS( ID INT NOT NULL, NAME VARCHAR (20) NOT NULL, AGE INT ... 對於多個列定義PRIMARY KEY約束，使用下麵的SQL語法： http://tw.gitbook.net SQL - Primary Key - Tutorialspoint
Note − You would use these concepts while creating database tables. Create Primary Key. Here is the syntax to define the ID attribute as a primary key in a ... https://www.tutorialspoint.com SQL PRIMARY KEY 约束 - w3school 在线教程
SQL PRIMARY KEY Constraint on CREATE TABLE. 下面的SQL 在"Persons" 表创建时在"Id_P" 列创建PRIMARY KEY 约束： ... https://www.w3school.com.cn SQL PRIMARY KEY Constraint 限制- SQL 語法教學Tutorial
CREATE TABLE customer ( C_Id INT NOT NULL PRIMARY KEY, Name VARCHAR(50) NOT NULL, Address VARCHAR(255), Phone VARCHAR ... https://www.fooish.com SQL Server: Primary Keys - TechOnTheNet
SQL Server: Primary Keys. Create Primary Key - Using CREATE TABLE statement. You can create a primary key in SQL Server with the CREATE TABLE statement. Create Primary Key - Using ALTER TABLE statemen... https://www.techonthenet.com SQL: CREATE TABLE Statement - TechOnTheNet
The SQL CREATE TABLE statement allows you to create and define a table. ... TABLE statement is that you have not defined a primary key for the table. https://www.techonthenet.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 主鍵- 1Keydata SQL 語法教學
主鍵(Primary Key) 中的每一筆資料都是表格中的唯一值。 ... 主鍵可以在建置新表格時設定(運用CREATE TABLE 語句)，或是以改變現有的表格架構方式設定( ... https://www.1keydata.com 建立主索引鍵- SQL Server | Microsoft Docs
PRIMARY KEY 條件約束內所定義的所有資料行，都必須定義成NOT ... 建立具有主索引鍵的新資料表，需要資料庫中的CREATE TABLE 權限及建立 ... https://docs.microsoft.com CREATE TABLE (Transact-SQL) - Microsoft Docs
Simple CREATE TABLE Syntax (common if not using options) ... 如果 PRIMARY KEY 或 UNIQUE 條件約束建立了叢集索引，資料表的資料頁面就 ... https://docs.microsoft.com |