查询以从数据库查找外键和主键

您好如何使用查询从数据库中查找外键和主键

在sql server 2005中?

说出从数据库中查找外键和主键的查询.
任何人都知道答案更新..

Hi how to find the foreign key and primary key from a database using query

in sql server 2005?

say the query for finding foreign key and primary key from database.
Anybody know the answer update..