| SQLWrapper | This utility is useful to create sql queries for various RDBMS. |
| SQLWrapperInterface | Represents how a SQL query wrapper must be implemented when designing a new database connector. |
| MySQLWrapper | This utility is useful to create sql queries for MySQL. |
| PostgreSQLWrapper | This utility is useful to create sql queries for PostgreSQL. |
| SQLiteWrapper | This utility is useful to create sql queries for SQLite. |