Database abstraction layer, SQL abstraction, result set abstraction, and RowDataGateway and TableDataGateway implementations
Zend\Db is a component that abstract the access to a Database using an object
oriented API to build the queries.
Zend\Db consumes different storage adapters
to access different database vendors such as MySQL, PostgreSQL, Oracle, IBM DB2,
Microsoft Sql Server, PDO, etc.