我有点和IN子句混淆了。 这是否意味着选择客户的所有数据并将其放入CustomersBackup2013表中。该CustomersBackup2013表位于一个名为Backup.mdb SELECT *
INTO CustomersBackup2013 IN 'Backup.mdb'
FROM Customers;
string query = "select a.Name,a.Add from GroupDetails a join General b on a.ID=b.Id where b.AccCode='" + label1.text + "'";
OleDbCommand cmd = new OleDbCommand(query, con);
OleDbDataAdapter daName =