[判断]  数据库F:\BooksMgt.mdb 包含表Book.创建名为conn 数据连接对象定义如下:OleDbConnection conn = newOleDbConnection(@";Provider='Microsoft.Jet.OLEDB.4.0';DataSource='F:\BooksMgt.mdb'");请问下列C#语句是否正确 OleDbCommand cmd = conn.CreateCommand();cmd.CommandText = "Select * From Book"