mysql如何查询表信息

具体方法如下：

查询一个里面所有表的信息：

use information_scheam;
select * from tables where table_schema = "db_name";

查询单个表的信息：

use information_scheam;
select * from tables where table_schema = "db_name" and table_name = "table_name1";

查询一张表的所有字段信息：

use db_name;
show full columns from table_name1;
show full columns from table_name2;

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