Android 如何删除sqlite中显示sqlite返回的错误：错误代码=1，消息=no这样的表：DetailsCustomer，

我正在使用DBAdapter插入数据库，但在执行时它会给我一个错误。请帮助我以下是我的代码：

公共类DBAdapter{

    public static final String COLUMN_ID = "ID";
    public static final String COLUMN_NAME = "NAME";
    public static final String COLUMN_SURNAME = "SURNAME";
    public static final String COLUMN_DATE_OF_BIRTH = "DateOfBirth";
    public static final String COLUMN_ADDRESS = "HomeAddress";
    public static final String COLUMN_EMAIL = "EmailNO";
    public static final String COLUMN_PHONE_NUMBER = "PhoneNumber";
    public static final String COLUMN_CITY = "City";
    public static final String COLUMN_PTYE_PAYMENT = "TypePayment";
    public static final String COLUMN_SHIPPING_TYPE = "ShippingType";
    public static final String COLUMN_CARD_NUMBER = "CardNumber";
    public static final String COLUMN_Password = "Passwords";       
    public static final String TAG = "DBAdapter";

 static final String DATABASE_NAME = "SuperComputers.db";
    static final String USERS_TABLE = "DetailsCustomer";
    static final int DATABASE_VERSION = 3;


private final Context context;

private DatabaseHelper DBHelper;
private SQLiteDatabase db;

public DBAdapter (Context ctx) 
{
    this.context=ctx;
    DBHelper = new DatabaseHelper(context);
}

private static class DatabaseHelper extends SQLiteOpenHelper

{
    DatabaseHelper(Context context) {




super (context,DATABASE_NAME,null,DATABASE_VERSION);

    }

@Override
 public void onCreate(SQLiteDatabase db)
{
    try {
          //db.execSQL(DATABASE_CREATE);        
         db.execSQL("CREATE TABLE "+ USERS_TABLE  + 



 "("+ COLUMN_ID  + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
                    COLUMN_NAME  + " TEXT, " + COLUMN_SURNAME  +" TEXT, " +COLUMN_DATE_OF_BIRTH+
                       " TEXT NOT NULL, " + COLUMN_ADDRESS  + " TEXT, "  + COLUMN_EMAIL  + " TEXT, " + 

                   COLUMN_PHONE_NUMBER + " TEXT, " + COLUMN_CITY + " TEXT, " +  COLUMN_PTYE_PAYMENT  + " TEXT, "  +  COLUMN_CARD_NUMBER  + " TEXT, " + COLUMN_Password +" TEXT)");

} 

捕获（SQLE异常）{ e、 printStackTrace（）

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我需要将信息插入数据库，但由于出现错误，我无法插入。您的常量

USERS\u表

需要在双引号之外，否则它会被视为字符串参数的一部分。因此它应该是：

db.execSQL("DROP TABLE IF EXISTS " + USERS_TABLE);

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它给了我同样的错误。错误代码=1，msg=没有这样的表：DetailsCustomer，db=/data/data/com.sdc/databases/SuperComputers.dbm确保数据库创建正确。您可以在onCreate中将SQL查询发送到LogCat进行进一步检查（尝试在SQL控制台中运行它）。另外，从emulator的内存中获取新创建的.db文件并检查它，它是否有必要的表？如果没有，则表示有问题。

db.execSQL("DROP TABLE IF EXISTS " + USERS_TABLE);