填空題
"在連接數(shù)據(jù)庫(kù)的過程中,數(shù)據(jù)庫(kù)連接字符串為:
Data Source=localhost; Initial Catalog= Haier; user id=sa; password=123456;
Data Source代表什么含義:()
Initial Catalog代表什么含義:()
user id代表什么含義:()
password代表什么含義:()"