Sequel is a simple, flexible, and powerful SQL database access toolkit for Ruby.
Sequel provides thread safety, connection pooling and a concise DSL for constructing SQL queries and table schemas.
Sequel includes a comprehensive ORM layer for mapping records to Ruby objects and handling associated records.
Sequel supports advanced database features such as prepared statements, bound variables, savepoints, two-phase commit, transaction isolation, master/slave configurations, and database sharding.
Sequel currently has adapters for ADO, Amalgalite, IBM_DB, JDBC, MySQL, Mysql2, ODBC, Oracle, PostgreSQL, SQLAnywhere, SQLite3, and TinyTDS.