MySQL查询显示表结构
要显示表的结构，以下是语法-
show create table yourTableName;
让我们首先创建一个表-
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) -> );
这是显示结构的查询-
show create table DemoTable;
输出结果
这将产生以下输出-
+--------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 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)
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