1.JPG.TXT

peter Ge, 2015-10-22 09:17

Download (542 Bytes)

 
1
  ?????????????????????????????????????????????????????????
2
??????????????SQL???????????????????????????????????????????
3
Eli(??????????)??????????????????
4
statement := "SELECT * FROM data WHERE id = " + a_variable + ";"
5
  ???????????????????????a_variable????????????????????????????
6
??????????????????????????r?????????????????????a_variable????
7
???1;DROP TABLE users????????users????????????????SQL??????SELECT
8
+ FROM DATA WHERE id= 1:DROP TABLE users: