查找表名与所有字段名

表名：

mysql:

SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=‘schemaName‘ and TABLE_NAME = ‘tablename‘;

oracle:

select TABLE_NAME from tabs where TABLE_NAME = ‘tableName‘

字段名:

mysql:

select * from information_schema.columns where table_schema=‘schema‘ and table_name=‘tableName‘

oracle:

select * from user_tab_columns where table_name=‘tableName‘