create table primary key
PRIMARY KEY 主鍵限制(SQL PRIMARY KEY Constraint) ... CREATE TABLE customer ( C_Id INT NOT NULL PRIMARY KEY, Name VARCHAR(50) NOT NULL, ... ,Now the only problem with this SQL CREATE TABLE statement is that you have not defined a primary key for the table. We could modify this SQL CREATE ...
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 create table primary key 相關參考資料
SQL PRIMARY KEY 约束 - W3school
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： ... http://www.w3school.com.cn SQL PRIMARY KEY Constraint 限制- SQL 語法教學Tutorial
PRIMARY KEY 主鍵限制(SQL PRIMARY KEY Constraint) ... CREATE TABLE customer ( C_Id INT NOT NULL PRIMARY KEY, Name VARCHAR(50) NOT NULL, ... https://www.fooish.com SQL: CREATE TABLE Statement - TechOnTheNet
Now the only problem with this SQL CREATE TABLE statement is that you have not defined a primary key for the table. We could modify this SQL CREATE ... https://www.techonthenet.com SQL Server PRIMARY KEY
In this tutorial, you will learn about the primary key and how to use the SQL Server PRIMARY KEY constraint to create a primary key for a table. http://www.sqlservertutorial.n 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 Oracle PLSQL: Primary Keys - TechOnTheNet
A primary key can be defined in either a CREATE TABLE statement or an ALTER TABLE statement. Create Primary Key - Using CREATE TABLE statement. You can create a primary key in Oracle with the CREATE T... https://www.techonthenet.com SQL PRIMARY KEY Constraint - W3Schools
The PRIMARY KEY constraint uniquely identifies each record in a table. ... To create a PRIMARY KEY constraint on the "ID" column when the table is already ... 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。 ... Key)。 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
簡單語法; 完整語法; 引數; Remarks; 暫存資料表; 限定資料庫範圍的全域暫存資料表(Azure SQL Database); 資料分割資料表; PRIMARY KEY 條件 ... https://docs.microsoft.com |