База данных!

package com.example.proba_one;
 
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteOpenHelper;
 
public class DataBase extends SQLiteOpenHelper {
    private static final String DATABASE_NAME = "myDatabase.db";
    private static final String DATABASE_TABLE = "firm";
    private static final int DATABASE_VERSION = 1;
    private static final String KEY_ID = "_id";
    private static final String KEY_GOLD_HOARD_NAME_COLUMN = "KEY_GOLD_HOARD_NAME_COLUMN";
    private static final String KEY_GOLD_HOARDED_COLUMN = "KEY_GOLD_HOARDED_COLUMN";
    private static final String KEY_GOLD_HOARD_ACCESSIBLE_COLUMN = "KEY_GOLD_HOARD_ACCESSIBLE_COLUMN";
    private static final String DATABASE_CREATE = "create table" +
            DATABASE_TABLE + " ( " + KEY_ID + 
            " integer primary key autoinscrement, " +
            KEY_GOLD_HOARD_NAME_COLUMN + "text not null, " +
            KEY_GOLD_HOARDED_COLUMN + "float, " +
            KEY_GOLD_HOARD_ACCESSIBLE_COLUMN + "integer);";
    
    public void HoardDBOpenHelper(Context context){
        super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }
    public void onCreate(SQLiteDatabase db) {
        // TODO Auto-generated method stub
        db.execSQL(DATABASE_CREATE); 
    }
 
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        // TODO Auto-generated method stub
        db.execSQL("DROP TABLE IF EXISTS" + DATABASE_TABLE); 
        onCreate(db); 
    }

DatabaseHelper myDBHelper = new DatabaseHelper(this);
        try{
            myDBHelper.createDataBase();
        }catch(IOException ioe){
            throw new Error("Unable to create database");
        }
        try{
            myDBHelper.openDataBase();
        }catch(IOException sqle){
            throw sqle;
        }