mysql create table key
Create MySQL Tables - Learn MySQL from basic to advanced covering database ... Keyword PRIMARY KEY is used to define a column as a primary key. ,For MyISAM tables, you can specify an AUTO_INCREMENT secondary column in a multiple-column key. See Section 3.6.9, “Using AUTO_INCREMENT”. ,Several keywords apply to creation of indexes and foreign keys. For general background in addition to the following descriptions, see Section 13.1.14, “CREATE ... ,CREATE TABLE t1 ( col1 INT NOT NULL, col2 DATE NOT NULL, col3 INT NOT NULL, col4 INT NOT NULL, UNIQUE KEY (col1, col2) ) PARTITION BY ... ,Partitioning by generated columns is permitted. See Creating Partitioned Tables. A foreign key constraint on a stored generated column cannot use ON UPDATE ... ,To create a new table within a database, you use the MySQL CREATE TABLE ... If you want to set a column or a set of columns as the primary key, you use the ... ,(This also includes the table's primary key, since it is by definition a unique key. ... CREATE TABLE t1 ( col1 INT NOT NULL, col2 DATE NOT NULL, col3 INT ... , 註：「UNIQUE KEY」與「PRIMARY KEY」在這一章後面索引的部份一起 .... 使用「CREATE TABLE」敘述建立表格以後，如果發現某個欄位或設定打 ..., It is simply a synonym for INDEX . It creates an index with the name ndx_PickupSPC on the columns specified in parenthesis. See the CREATE ...,The following SQL creates a PRIMARY KEY on the "ID" column when the "Persons" table is created: MySQL: CREATE TABLE Persons ( ID int NOT NULL,
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 mysql create table key 相關參考資料
Create MySQL Tables - Tutorialspoint
Create MySQL Tables - Learn MySQL from basic to advanced covering database ... Keyword PRIMARY KEY is used to define a column as a primary key. https://www.tutorialspoint.com MySQL 5.7 Reference Manual :: 13.1.18 CREATE TABLE Syntax
For MyISAM tables, you can specify an AUTO_INCREMENT secondary column in a multiple-column key. See Section 3.6.9, “Using AUTO_INCREMENT”. https://dev.mysql.com MySQL 8.0 Reference Manual :: 13.1.18 CREATE TABLE Syntax
Several keywords apply to creation of indexes and foreign keys. For general background in addition to the following descriptions, see Section 13.1.14, “CREATE ... https://dev.mysql.com MySQL 8.0 Reference Manual :: 22.6.1 Partitioning Keys, Primary ...
CREATE TABLE t1 ( col1 INT NOT NULL, col2 DATE NOT NULL, col3 INT NOT NULL, col4 INT NOT NULL, UNIQUE KEY (col1, col2) ) PARTITION BY ... https://dev.mysql.com MySQL :: MySQL 5.7 Reference Manual :: 13.1.18.8 CREATE TABLE ...
Partitioning by generated columns is permitted. See Creating Partitioned Tables. A foreign key constraint on a stored generated column cannot use ON UPDATE ... https://dev.mysql.com MySQL CREATE TABLE Statement By Examples - MySQL Tutorial
To create a new table within a database, you use the MySQL CREATE TABLE ... If you want to set a column or a set of columns as the primary key, you use the ... http://www.mysqltutorial.org MySQL Restrictions and Limitations :: 9.1 Partitioning Keys, Primary ...
(This also includes the table's primary key, since it is by definition a unique key. ... CREATE TABLE t1 ( col1 INT NOT NULL, col2 DATE NOT NULL, col3 INT ... https://dev.mysql.com MySQL 超新手入門（9）表格與索引by Michael | CodeData
註：「UNIQUE KEY」與「PRIMARY KEY」在這一章後面索引的部份一起 .... 使用「CREATE TABLE」敘述建立表格以後，如果發現某個欄位或設定打 ... http://www.codedata.com.tw sql - meaning of a KEY in CREATE TABLE statment in mysql - Stack ...
It is simply a synonym for INDEX . It creates an index with the name ndx_PickupSPC on the columns specified in parenthesis. See the CREATE ... https://stackoverflow.com SQL PRIMARY KEY Constraint - W3Schools
The following SQL creates a PRIMARY KEY on the "ID" column when the "Persons" table is created: MySQL: CREATE TABLE Persons ( ID int NOT NULL, https://www.w3schools.com |