dbHelper.deleteAll("MT_TABLE1");
dbHelper.deleteAll("MT_JOIN45");
dbHelper.deleteAll("MT_TABLE4");
dbHelper.deleteAll("MT_TABLE5");
tMtTable1 = new TableHelper(dbHelper, "MT_TABLE1");
tMtTable1.setColumns("TABLE1_ID", "GLOBAL_ATTRIBUTE1", "SERVER_ATTRIBUTE1");
tMtTable2 = new TableHelper(dbHelper, "MT_TABLE2");
tMtTable2.setColumns("TABLE2_ID", "TABLE1_ID", "GLOBAL_ATTRIBUTE");
tMtTable4 = new TableHelper(dbHelper, "MT_TABLE4");
tMtTable4.setColumns("ID");
tMtTable5 = new TableHelper(dbHelper, "MT_TABLE5");
tMtTable5.setColumns("ID");
tMtJoin45 = new TableHelper(dbHelper, "MT_JOIN45");
tMtJoin45.setColumns("TABLE4_ID", "TABLE5_ID");
}