📅 最后修改于: 2020-11-28 13:15:58 🧑 作者: Mango
本章描述DB2的历史，其版本，版本及其各自的功能。
DB2是IBM的数据库产品。它是一个关系数据库管理系统(RDBMS)。 DB2旨在有效地存储，分析和检索数据。 DB2产品扩展了对面向对象的功能和XML的非关系结构的支持。
最初，IBM为特定平台开发了DB2产品。自1990年以来，它决定开发通用数据库(UDB)DB2服务器，该服务器可以在任何权威的操作系统(例如Linux，UNIX和Windows)上运行。
对于IBM DB2，UDB当前版本为10.5，具有BLU Acceleration的功能，其代号为“ Kepler”。下面列出了到目前为止的所有DB2版本：
| Version | Code Name |
|---|---|
| 3.4 | Cobweb |
| 8.1, 8.2 | Stinger |
| 9.1 | Viper |
| 9.5 | Viper 2 |
| 9.7 | Cobra |
| 9.8 | It added features with Only PureScale |
| 10.1 | Galileo |
| 10.5 | Kepler |
根据DB2所需功能的需求，组织选择适当的DB2版本。下表显示了DB2服务器版本及其功能：
| Editions | Features |
|---|---|
| Advanced Enterprise Server Edition and Enterprise Server Edition (AESE / ESE) | It is designed for mid-size to large-size business organizations. Platform – Linux, UNIX, and Windows. Table partitioning High Availability Disaster Recovery (HARD) Materialized Query Table (MQTs) Multidimensional Clustering (MDC) Connection concentrator Pure XML Backup compression Homogeneous Federations |
| Workgroup Server Edition (WSE) | It is designed for Workgroup or mid-size business organizations. Using this WSE you can work with – High Availability Disaster Recovery (HARD) Online Reorganization Pure XML Web Service Federation support DB2 Homogeneous Federations Homogeneous SQL replication Backup compression |
| Express -C | It provides all the capabilities of DB2 at zero charge. It can run on any physical or virtual systems with any size of configuration. |
| Express Edition | It is designed for entry level and mid-size business organizations. It is full featured DB2 data server. It offers only limited services. This Edition comes with – Web Service Federations DB2 homogeneous federations Homogeneous SQL Replications Backup compression |
| Enterprise Developer Edition | It offers only single application developer. It is useful to design, build and prototype the applications for deployment on any of the IBM server. The software cannot be used for developing applications. |