IBM DB2
DB2 is a family of data management products, including database servers developed by IBM. Here are some key points about DB2:
- History:
- DB2 was first introduced in 1983 for the System/370 mainframe platform.
- It evolved from SQL/DS, which was IBM's first relational database system.
- Over the years, DB2 has expanded to support various operating systems, including Linux, Unix, Windows, and z/OS.
- Editions:
- DB2 Express-C: A free community edition for development and deployment.
- DB2 Workgroup Server Edition: Designed for small to medium-sized businesses.
- DB2 Enterprise Server Edition: For large enterprises requiring high availability and scalability.
- DB2 for z/OS: Specifically tailored for IBM zSeries mainframes, providing advanced data management capabilities.
- Features:
- SQL Support: Comprehensive support for SQL standards.
- High Availability: Features like HADR (High Availability Disaster Recovery) for data protection and recovery.
- Advanced Analytics: Integration with IBM Cognos for business intelligence and analytics.
- Security: Robust security features including encryption, role-based access control, and auditing.
- Scalability: Capable of handling from small databases to large-scale data warehousing environments.
- Applications:
- DB2 is widely used in various industries for transaction processing, data warehousing, and business intelligence.
- It's particularly popular in sectors like banking, finance, and telecommunications due to its robust performance and reliability on mainframe systems.
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