📜  德比和卡桑德拉的区别

📅  最后修改于: 2021-09-08 16:33:11             🧑  作者: Mango

1.德比:
Derby 是一个用Java实现的功能齐全的开源关系数据库管理系统 (RDBMS),顾名思义,它是由 Apache Software Foundations 开发的。它基于Java、JDBC 和 SQL 标准。 Derby 易于安装、部署和使用。它要么嵌入到Java应用程序中,要么用作数据库服务器。

2. 卡桑德拉:
Cassandra 是一个免费、开源、分布式、广泛的列存储、NoSQL 数据库管理系统。它由 Apache 软件基金会开发,最初于 2008 年 7 月发布。Cassandra 旨在处理跨多个商用服务器的大量数据,提供高可用性且无单点故障。

Derby 和 Cassandra 的区别:

SR.NO. Derby Cassandra
1 It is developed by Apache Software Foundation in 1997. It is also developed by Apache Software Foundation in 2008.
2 It is written in Java language. It is written in Java language.
3 The primary database model for Derby is Relational DBMS. The primary database model for Cassandra is Wide Column Store.
4 Server operating systems for Derby are Windows, macOs, Linux, Unix, BSD and z/OS. Cassandra server operating systems are BSD, Linux, OS X, Windows.
5 It have the concept of Foreign keys. It does not have the concept of Foreign keys.
6 It support only Java programming language. It support C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript info, Perl, PHP, Python, Ruby, Scala.
7 It support Master-Slave Replication methods. It support selectable replication factor as replication methods.
8 APIs and other access methods used by Derby is JDBC. APIs and other access methods used by Cassandra is Proprietary protocol, Thrift.
9 It is a open source software framework. It is a open source software framework.
10 It supports fine grained access rights according to SQL-standard. It supports access rights for users can be defined per object.