显示一个表的结构的MySQL查询


要显示一个表的结构,以下为语句语法 −

show create table yourTableName;

我们先创建一个表 −

mysql> create table DemoTable
   -> (
   -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,
   -> EmployeeFirstName varchar(100),
   -> EmployeeLastName varchar(100),
   -> EmployeeAge int,
   -> isMarried tinyint(1),
   -> EmployeeAddress varchar(100),
   -> EmployeeCountryName varchar(100)
   -> );
Query OK, 0 rows affected (0.62 sec)

以下为显示结构的查询 −

mysql> show create table DemoTable;

输出

这将生成以下输出 −

+--------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table        | Create Table                      
|
+--------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DemoTable | CREATE TABLE `DemoTable` (
  `Id` int(11) NOT NULL AUTO_INCREMENT,
  `EmployeeFirstName` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL,
  `EmployeeLastName` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL,
  `EmployeeAge` int(11) DEFAULT NULL,
  `isMarried` tinyint(1) DEFAULT NULL,
  `EmployeeAddress` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL,
  `EmployeeCountryName` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL,
  PRIMARY KEY (`Id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci |
+--------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

更新时间: 30-06-2020

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