P19.子过程Plus完成对当前库中"教师表"的工龄字段都加1的操作。 程序空白处应该填写的语句是 Sub Plus() Dim ws As DAO.Workspace Dim ws As DAO.Database Dim rs As DAO.Recordset Dim rs As DAO.Field Set db= CurrentDb() Set rs= db. OpenRecordset(教师表) Set fd= rs.Fields("工龄") Do While Not rs.EOF rs.Edit 【】 rs.Update rs.MoveNext Loop rs.Close db.Close Set rs=Noting Set db=Noting End Sub