1. MongoDB：
MongoDB 是一个开源的面向文档的数据库，用于大容量数据存储。它属于 NoSQL 数据库的分类。 NoSQL 工具意味着它不使用通常的行和列。 MongoDB 使用 BSON(文档存储格式)，它是 JSON 文档的二进制样式。
2. 活动枢轴：
ActivePivot 是一种内存 DBMS，结合事务处理和分析处理来处理不断变化的数据的聚合。该数据库使用列式存储架构以及字典压缩和Java对象的二进制表示。它是法国公司 ActiveViam 的核心产品之一——曾被称为 Quartet FS，该公司成立于 2005 年。
MongoDB 和 ActivePivot 的区别：
| S.NO. | MongoDB | ActivePivot |
|---|---|---|
| 1. | It is developed By MongoDB, Inc in 2009. | It is developed By ActiveViam. |
| 2. | It is Open Source | It is commercial. |
| 3. | It is written in C++ | It is written in Java |
| 4. | Its Primary database model is a Document store. | Its primary database model is Object oriented DBMS. |
| 5. | It has mapReduce methods | It has no mapReduce methods |
| 6. | It supports read-only SQL queries via the MongoDB Connector for BI | It supports Multidimensional Expressions (MDX). |
| 7. | It has In-memory capabilities. | It does not have In-memory capabilities. |
| 8. | It supports Server-side scripting using JavaScript. | It supports Server-side scripting using post-processors in Java. |
| 9. | It supports Partitioning methods using Sharding | It supports Partitioning methods using Sharding, horizontal partitioning |