MySQL:
开启服务:cmd中进入mysql的bin目录,mysqld.exe -install
net start mysql
进入mysql:mysql -h localhost -u root -p
显示-=p数据库:show databases;
显示数据库中的表:desc dbname;
sql server:
进入sql server: osql -S (local) -U sa -P password
显示所有数据库:select name from sys.databases
显示数据库中所有表:select name from sys.tables
select
name
from
sysobjects
where
type=
'U'
列出表中所有列:select
name
from
syscolumns
where
id=object_id(
'TableName'
)