• 2021-04-14 问题

    采用 DAO 完成对"教学管理.mdb"文件中"学生表"的学生年龄都加 1 的操作,程序空白处应填写的语句是 Sub SetAgePlus() Dim ws As DAO.Workspace Dim db As DAO.Database Dim rs As DAO.Recordset Dim fd As DAO.Field Set db = CurrentDb() Set rs = db.OpenRecordset("学生表") Set fd = rs.Fields("年龄") Do While Not rs.EOF ___________ fd = fd + 1 rs.Update rs.MoveNext Loop rs.Close db.Close Set rs = Nothing Set db = Nothing End Sub

    采用 DAO 完成对"教学管理.mdb"文件中"学生表"的学生年龄都加 1 的操作,程序空白处应填写的语句是 Sub SetAgePlus() Dim ws As DAO.Workspace Dim db As DAO.Database Dim rs As DAO.Recordset Dim fd As DAO.Field Set db = CurrentDb() Set rs = db.OpenRecordset("学生表") Set fd = rs.Fields("年龄") Do While Not rs.EOF ___________ fd = fd + 1 rs.Update rs.MoveNext Loop rs.Close db.Close Set rs = Nothing Set db = Nothing End Sub

  • 2022-06-08 问题

    下面()语句是用来关闭数据库操作。 A: rs.next() B: stmt.close() C: con.close() D: rs.close()

    下面()语句是用来关闭数据库操作。 A: rs.next() B: stmt.close() C: con.close() D: rs.close()

  • 2022-06-06 问题

    The air-conditioner is running in the winter and to be stopped, we should() A: close Fan and Humidifier at the same time B: firstly close Fan and then close humidifier immediately C: firstly close humidifier and then close Fan immediately D: firstly close humidifier and then close Fan after 30 second

    The air-conditioner is running in the winter and to be stopped, we should() A: close Fan and Humidifier at the same time B: firstly close Fan and then close humidifier immediately C: firstly close humidifier and then close Fan immediately D: firstly close humidifier and then close Fan after 30 second

  • 2022-05-28 问题

    But American friends may not be close, or they are close with ______ .

    But American friends may not be close, or they are close with ______ .

  • 2022-06-08 问题

    下面正确的关闭文件的语句格式是( ) A: close(变量名) B: .close() C: close(文件名) D: .close

    下面正确的关闭文件的语句格式是( ) A: close(变量名) B: .close() C: close(文件名) D: .close

  • 2022-06-04 问题

    I wanted so much to_________ my store and go traveling in the heated summer. A: close on B: close in C: close up D: close to

    I wanted so much to_________ my store and go traveling in the heated summer. A: close on B: close in C: close up D: close to

  • 2022-06-06 问题

    My ________ friend lives _________ to the zoo. A: close; closed B: closely; closed C: closed; closely D: close; close

    My ________ friend lives _________ to the zoo. A: close; closed B: closely; closed C: closed; closely D: close; close

  • 2022-06-11 问题

    基本RS触发器中,不允许的输入是 A: RS=00 B: RS=01 C: RS=10 D: RS=11

    基本RS触发器中,不允许的输入是 A: RS=00 B: RS=01 C: RS=10 D: RS=11

  • 2022-06-28 问题

    使同步RS触发器置0的条件是()。 A: RS=00 B: RS=01 C: RS=10 D: RS=11

    使同步RS触发器置0的条件是()。 A: RS=00 B: RS=01 C: RS=10 D: RS=11

  • 2021-04-14 问题

    var rs; rs =(3+5, 10*6); 则rs结果是()

    var rs; rs =(3+5, 10*6); 则rs结果是()

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