| B | ↘ | C | Database got worse |
| ⇢ | A | Database::setOptions() added | |
| ⇢ | A | Database::setPort() added | |
| ⇢ | A | Database::getPassword() added | |
| ⇢ | A | Database::getDbType() added | |
| ⇢ | A | Database::setDbName() added | |
| ⇢ | A | Database::setPassword() added | |
| ⇢ | A | Database::setUser() added | |
| ⇢ | A | Database::getOptions() added | |
| ⇢ | A | DatabaseTest::beforeQuery() added | |
| A | ↛ | DatabaseTest::test_connect() removed |