mysql - 查看表结构命令

-- 查看表结构

DESC 表名;

　　

-- 查看 表 - 字段 - 结构信息

SELECT
	table_name,
	column_name,
	column_comment 
FROM
	information_schema.COLUMNS 
WHERE
	table_schema = \'表所在的库\' 
	AND table_name = \'要查的表\';

　　

SELECT
	ORDINAL_POSITION 序号,
	COLUMN_NAME 属性,
	COLUMN_TYPE 数据类型,

IF (COLUMN_KEY = \'PRI\', \'√\', \'\') AS \'主键\',

IF (
	EXTRA = \'auto_increment\',
	\'√\',
	\'\'
) AS \'自增标识\',

IF (IS_NULLABLE = \'NO\', \'√\', \'\') AS \'非空\',
 COLUMN_COMMENT 注释
FROM
	INFORMATION_SCHEMA. COLUMNS
WHERE
	table_schema = \'baggagetrack\'
AND table_name = \'resource\'
ORDER BY
	ORDINAL_POSITION ASC;

　　

 

-- 查看 库 - 表 - 结构信息

SELECT
	table_name,
	table_comment 
FROM
	information_schema.TABLES 
WHERE
	table_schema = \'表所在的库\' 
	AND table_name = \'要查的表\';

　　

-- 查看表的DDL语句

SHOW CREATE TABLE 表名;