joinQuery method
Implementation
Future<List<Map<String, dynamic>>> joinQuery(String table1, String table2,
String joinCondition, {String? where, List<dynamic>? whereArgs}) async {
final sql =
'SELECT * FROM $table1 INNER JOIN $table2 ON $joinCondition ${where != null ? 'WHERE $where' : ''}';
return await _database.rawQuery(sql, whereArgs);
}