package com.example.activity.dbsql;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

import androidx.annotation.Nullable;

public class DBOpenHelper extends SQLiteOpenHelper {
    public DBOpenHelper(@Nullable Context context, @Nullable String name, @Nullable SQLiteDatabase.CursorFactory factory, int version) {
        super(context, name, factory, version);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        //创建数据库sql语句并执行
        String sql="create table question(q_type varchar(10),q_id int ,answer varchar(200)," +
                " questions varchar(500),OptionA varchar(500),OptionB varchar(500),OptionC varchar(500),OptionD varchar(500))";
        db.execSQL(sql);
/*q_type varchar(10),q_id int ,answer varchar(200),questions varchar(500),OptionA varchar(500),OptionB varchar(500),OptionC varchar(500),OptionD varchar(500) */
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}