restSQL 介绍
restSQL 是一个超轻量级的数据访问层，专为 HTTP 客户端提供，同时也是一个持久层框架，可嵌入任何 Java 应用。
- an SQL generator with Java and HTTP APIs
- uses a simple RESTful HTTP API with XML or JSON serialization
- presents flat or hierarchical views of relational database tables
- organizes access through query-able and updatable database views called SQL Resources
- offers declarative and plugin mechanisms for implementing domain constraints and business logic
- a JEE web application or a Java library
- platform, JEE container and database agnostic
- an HTTP to JDBC/ODBC bridge that tunnels SQL over HTTP
- an Object-Relational Mapping tool (ORM) that maps tables to objects
- a database or a data storage engine
- a sophisticated query or report generator
- an OLAP-style cube or data warehousing engine
- basic CRUD (Create-Read-Update-Delete) access to relational databases
- a database abstraction layer
- a lighter-weight alternative to ORM (e.g. ADO or EJB)
- a lighter-weight alternative to WSDL/SOAP