Home php教程 php手册 Microsoft SQL Server 7.0 的数据迁移到MySQL上的一种方法(转)-数据库相

Microsoft SQL Server 7.0 的数据迁移到MySQL上的一种方法(转)-数据库相

Jun 13, 2016 am 10:02 AM
microsoft mysql server sql superior data database method of change

    想必大家都很喜欢用Word打字,用Excel进行计算和规划,用PowerPoint作幻灯片进行展示…,但是这只用到了Office系列产品的很少的一部分功能。据调查,绝大部分用户只用到了Office产品的20%的功能,很少有人注意到Visual Basic for Application。实际上,熟悉掌握VBA的功能可以使你的工作事半功倍,尤其对会计、金融等专业来说,作出一套好的宏,几乎可以作到一劳永逸!最近,AutoCAD中也加入了VBA的功能,这不能不说这是一个趋势!
    VBA的功能决不只是让病毒制造者用来制造麻烦的,VBA能被用来制造病毒的同时也正说明了其功能的强大与易用!利用ADO对象,可以很方便的进行数据库操作!下面就是一个简单的数据交换的例子:
    由于ADO对象不直接支持MySQL,所以必须先安装MyODBC, 后者也是一个免费产品,在www.mysql.org上有下载,安装好了MyODBC, 就可以在ODBC数据源管理中配置一个数据源名称,把它指向你想连接的MySQL数据库。代码如下:
Sub connectMySQL()
    '通过MyODBC去连接MySQL数据库,并将Microsoft SQL Server 7
    '的数据转进mysql中
    Dim sConnect As String, sSql As String, i As Long
    Dim cnMSSQL As New ADODB.Connection
    Dim cnMySQL As New ADODB.Connection
        '声明并创建对象 连接
    Dim rs As New ADODB.Recordset '声明并创建对象 记录集
    Dim cm As New ADODB.Command '声明并创建对象 命令
    
    sConnect = "dsn=mysql1" '指定MySQL的数据源名称
    cnMySQL.Open sConnect '连接到 mysql
    
    sConnect="Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;pwd=123456;Initial Catalog=softdown;Data Source=ntserver"
    '连接到 ms sql server 7
    cnMSSQL.Open sConnect
    
    'sSql = "create table softinfo (softNum smallint,softname varchar(70),softdesc blob," & _

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