创建简单的SQLitem 数据库

package com.development.util.sms;

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

/**
* Created by Administrator on 2015/6/5.
*/
public class SmsDatabase extends SQLiteOpenHelper {
public SmsDatabase(Context context) {
super(context, "SmsSql.db", null, 1);
}

/**
* sms table :    短信数据库表项；
*      telphone ：电话号码：
*      body : 短信内容：
*      date ：短信日期；
*      status 0:接收 1:发送；
*      read  0:未读  1:已读；
*      ServiceCenterAddress
* @param db  数据库
*/
@Override
public void onCreate(SQLiteDatabase db) {
final String sql = "create table sms(" +
"id integer primary Key autoincrement ," +
"telphone verchar(14)," +
"body verchar(1024)," +
"date verchar(14)," +
"status integer defualt null ," +
"read integer defualt null ," +
"ServiceCenterAddress verchar(14))";
db.execSQL(sql);
}

@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
final String sql = "drop table if exists sms";
db.execSQL(sql);
this.onCreate(db);
}
}