这几句计算机语言是什么意思

题目

这几句计算机语言是什么意思
Dim cnn As ADODB.Connection
Dim rs As ADODB.Recordset
Dim connect_string As String
Dim statestring As String
Set cnn = New ADODB.Connection
Set rs = New ADODB.Recordset
connect_string = "Provider=sqloledb.1;Server=127.0.0.1;UID=sa;PWD=;database=pro"
cnn.Open connect_string

答案

Dim cnn As ADODB.Connection '声明变量cnn为ADODB数据连接；Dim rs As ADODB.Recordset ’声明变量rs为ADODB数据集；Dim connect_string As String ’声明connect_string为数据库连接变量（数据库连接字符串）；Dim...