Problem with getWritableDatabase ?

getWritableDatabase()<br />
Error- getWritableDatabase is undefined under myclass

public void editjob(String m1,String curTime)
{
	String sql="UPDATE memories SET mem=? WHERE date=?;";
Object[] bA=new Object[]{m1,curTime};
try{

	getWritableDatabase().execSQL(sql,bA);//db.setLocale(Locale.getDefault());
}catch(SQLException e){
	Log.e("Error Writing New Job",e.toString());
}
	}
}