Table 2 Keywords used to compose SQL-injection code
S/N | Keyword | Description |
|---|---|---|
1 | OR | Used in Boolean-based injection attack |
2 | UNION | Used in union-based injection attack |
3 | DROP | Used to destroy the entire database table |
4 | DELETE | Used to delete rows in a database table |
5 | TRUNCATE | Used to empty a particular table in a database |
6 | SELECT | Used to retrieve record from a database table |
7 | UPDATE | Used to modify record in a database table |
8 | INSERT | Used to add record to a table in a database |
9 | LIKE | Used with the wildcard (%) to select a record that contains a particular string pattern. |
10 | CONVERT( ) | Used in error-based SQL injection to causes the database server to displays some error messages. |