A、private void update(SQLiteDatabase db){ ... String sql="update from userinfo set password = '321' where uname='李四'"; db.execSQL(sql); ... }
B、private void update(SQLiteDatabase db){ ... String sql="update userinfo set password = '321' where uname='李四'"; db.execSQL(sql); ... }
C、private void delete(SQLiteDatabase db){ ... ContentValues cv = new ContentValues(); cv.put("password","321"); db.update("userinfo",cv,"uname = ?",new String[]{"张三"}) ... }
D、private void update(SQLiteDatabase db){ ... String sql="update userinfo password = '321' where uname='李四'"; db.execSQL(sql); ... }
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