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 public   static  DataTable GetSchemaTable(string connectionString)  //»ñÈ¡AccessËùÓеıíÃû£»
        {
            using (OleDbConnection connection = new
                       OleDbConnection(connectionString))
            {
                connection.Open();
                DataTable schemaTable = connection.GetOleDbSchemaTable(
                    OleDbSchemaGuid.Tables,
                    new object[] { null, null, null, "TABLE" });
                return schemaTable;
            }
        }
 private string[] GetTabelName(string conn)  //»ñÈ¡AccessÎļþÖÐËùÓбíÃû£¬·ÅÔÚÊý×éÀïÃæ
        {
            DataTable dt = GetSchemaTable(conn);
            int n = dt.Rows.Count;
            string[] strTable = new string[n];
            int m = dt.Columns.IndexOf("TABLE_NAME");
            for (int i = 0; i < n; i++)
        


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sqlserver£ºupdate Table_A set Table_A.col1 = (select Table_B.col1 from Table_B where Table_A.col2 = Table_B.col2)
Access: UPDATE Table_ A, Table_B SET Table_ A.×Ö¶Î2 = Table_ B.×Ö¶Î2
WHERE Table_ A.񅧏=Table_ A.񅧏;
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