深入了解SAP的核心产品，了解它们之间的细微差别。这将帮助您更好地开发和完善SAP路线图。

有许多伙伴们想了解有关SAP核心产品之间差异的问题，因此我们整理了各类SAP产品的区别以帮助非SAP技术背景的人更好的理解SAP ECC，SAP HANA和SAP S/4HANA之间的区别。

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Q1：什么是SAP ECC？

SAP ECC全称SAP ERP Central Component。也称为SAP ERP。它是SAP旧版应用程序之一，最初设计在第三方数据库（例如Oracle和IBM DB2）上运行。

SAP ECC是大多数公司拥有并熟悉的系统，因为它包含了常用的模块，例如财务，人力资源（HR），仓储和物流。SAP ECC还为制造企业提供了诸如生产计划，物料管理和工厂维护等模块。

SAP ECC是SAP Business Suite的核心产品，不应与SAP Business Suite混淆。SAP Business Suite超越了基本模块，还支持一些复杂的功能，例如供应链管理（SCM）和客户关系管理（CRM）。与SAP ECC类似，SAP Business Suite可以在第三方数据库（例如MSSQL，IBM DB2和SAP HANA）上运行。

Q2：什么是SAP R/3？

SAP R/3是SAP ECC的前身，一些公司仍在运行R/3。当SAP ECC在基于Web的应用程序服务器上运行时，R/3的核心是使用客户服务器模型来存储，检索，分析和处理数据。用户现在可以通过Web浏览器以及客户端（SAP GUI）访问ERP数据。

SAP ECC始于1973年的财务软件包RF，随后是称为RM/1的物料管理模块。随着SAP添加其他组件，该程序包被重命名为R1。1979年，R2发布，以集成会计，制造，供应链物流和人力资源。1992年发布了R/3，以支持各种操作系统和数据库。2004年，SAP将其重命名为SAP ECC。SAP ERP和ECC现在可以认为是同一个概念。

Q3：什么是SAP HANA？

SAP HANA是一个内存中的列式数据库，旨在加速于2010年发布的SAP应用程序和业务流程。SAP HANA现在是运行SAP Business Suite产品的基础。这是一个面向列的内存数据库。它简化了数据结构并提高了性能，以提高用户生产力，提供实时可见性并利用分析功能。创建它是为了使公司可以对最新数据做出反应，而不是静态的季度报告。

Q4：什么是HANA上的SAP BUSINESS SUITE？

HANA上的SAP Business Suite是在SAP HANA数据库上运行的SAP ECC。如果您在第三方数据库上运行SAP Business Suite，则可以将其移至SAP HANA。将SAP Business Suite放入HANA时，无需更改应用程序层即可提高性能。由于SAP Business Suite在内存组件内部运行，因此在SAP HANA上的执行速度更快。SAP Business Suite中的ECC功能保持不变。

Q5：SAP ECC 和SAP HANA 之间有什么区别?

SAP ECC是ERP系统，SAP HANA是内存数据库，旨在处理事务和分析。HANA最初被设计成一个数据仓库，但现在已经发展成为管理分析，事务和应用程序开发的多合一数据平台。

SAP计划在2027年终止对SAP ECC的维护支持，需要将SAP客户全部迁移到S/4HANA。对于大多数公司而言，这是一项昂贵而漫长的工作，通常需要数年的时间。

Q6：什么是SAP S/4HANA?

在R/3之后，SAP S/4HANA是SAP Business Suite的第四个版本。

SAP从零开始重建SAP ECC，以在2015年创建SAP S/4HANA，以利用SAP HANA的性能和数据分析功能。这是一个很大的好处，也是一个很大的缺点。S/4HANA只能在SAP HANA上运行，而SAP ECC可以在第三方数据库上运行。

与ECC和R/3相比，S/4HANA旨在解决复杂的问题并管理大量数据。它为SAP Fiori提供了更好的用户体验，并从记录数据的事务系统转变为内部和外部源的实时数据。

为什么有些公司不愿意迁移到S/4HANA？因为这些公司将不得不彻底改革其现有的业务流程。

*博客内容为网友个人发布，仅代表博主个人观点，如有侵权请联系工作人员删除。