text: #include "header_db_dev.h"
  
  void drop_all() {
      int result;
      sqlite3 *db;
      char *error = NULL;
  
      sqlite3_open("chat_database.db", &db);
      result = sqlite3_exec(db, "DROP TABLE Messages;\n"
                                "DROP TABLE Chats;\n"
                                "DROP TABLE Users;\n"
                                "DROP TABLE Chat_User;", 0, 0, &error);
      if (result != SQLITE_OK) {
          fprintf(stderr, "SQL error: %s\n", error);
          sqlite3_free(error);
      }
      sqlite3_close(db);
  }
  