Difference between Redis and IBM Db2
1. Redis :
Redis stands for Remote Dictionary Server which is an in-memory data structure project implementing a distributed, in-memory key-value database with optional durability. Redis was developed by Redis labs and initially released on May 10, 2009. It is written in ANSI and C languages. Redis offers memory efficiency, fast operating speed, high availability and provides some features like tenability, replication, clustering, etc.
2. IBM Db2 :
Db2 is a family of data management products, including database servers, developed by IBM. It is a Relational Database Management System (RDBMS) which supports object-oriented features and non relational structure with XML. Db2 is designed to store, analyze and retrieve the data efficiently. It was initially released in 1983 and is written in C, C++, Java and Assembly language.
Difference between Redis and IBM Db2 :
| S.No. | REDIS | IBM Db2 |
|---|---|---|
| 1. | It was developed by Redis labs and initially released on May 10, 2009. | It was developed by IBM and initially released in 1983. |
| 2. | Redis is written in ANSI and C languages. | Db2 is written in C, C++, Assembly language, Java languages. |
| 3. | The primary database model for Redis is Key-Value Store. | The primary database model for Db2 is Relational DBMS. |
| 4. | The license for Redis is Open Source. | The license for Db2 is Commercial. |
| 5. | Redis is Data Schema Free. | In Db2 data schema is fixed. |
| 6. | Redis does not support XML data format. | Db2 supports XML data format. |
| 7. | Redis does not support SQL queries. | Db2 supports SQL. |
| 8. | Redis does not have the concept of Foreign keys. | Db2 has the concept of Referential Integrity and Foreign keys. |
| 9. | Redis does not have Triggers. | Db2 has Triggers. |
| 10. | Redis supports secondary indexes with RediSearch module only. | Db2 supports secondary indexes without any restrictions. |
| 11. | Server operating systems for Redis are BDS, Linux, OS X and Windows. | Server operating systems for Db2 are AIX, HP-UX, Linux, Solaris, Windows and z/OS. |
| 12. | Some companies like Twinkl Educational Publishing, Merrill Corporation, ASOS.com Limited, Owler, Inc., etc use Redis. | Some companies like JPMorgan Chase, Bank of America, Scotiabank, Citi, etc use Db2. |
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