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Comparison of Relational database management systems

Comparison of Relational database management systems. Arijit Sengupta. Who are the main contenders?. Commercial software Sybase Adaptive Server Enterprise IBM DB2 Oracle Microsoft SQL Server Teradata Free/GPL/Opensource: MySQL PostgreSQL. Things to consider when deciding on a DBMS.

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Comparison of Relational database management systems

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  1. Comparison of Relational database management systems Arijit Sengupta

  2. Who are the main contenders? • Commercial software • Sybase Adaptive Server Enterprise • IBM DB2 • Oracle • Microsoft SQL Server • Teradata • Free/GPL/Opensource: • MySQL • PostgreSQL

  3. Things to consider when deciding on a DBMS • Price • Operating System Support • Most important features (ACID, Referential Integrity support, Transactions support) • Other important features (Indexes, materialized view support, trigger support) • Scalability and security • Availability of support and software

  4. Vendor leaders • For low-medium level servers, Oracle is the leader in the market share, although growth is declining • IBM DB2 has the highest market share for high-end servers and mainframes, increasing growth in midrange after acquisition of Informix

  5. Operating System Support

  6. SQL Server (Express) • Express version free and redistributable, license to commercial version varies between $600 to $10000 • Support for Windows only • Express version limited to one CPU and single user thread • Limited features, but scales easily to Enterprise version • Comes with all standard SQL tools • Email support

  7. Oracle 10g Standard Edition v10.2.0.1 • Free download for non-profit, non-commercial use • Approximately $15000/cpu for commercial use • Support for most operating systems • Very strong support and service • Weak user interface, complex installation and maintenance process

  8. MySQL • No limit on # of CPUs, fully featured, support for several OSs • $0 without Support, approx. $600-$6000 for subscription-based support • Highly scalable, provides support for most types of indexes and storage methods

  9. IBM DB2 Express v8.2 • Free for non-commercial use, $6000 per CPU unlimited users • Express version limited to 2 CPUs. Support for Windows, Linux and Unix • Strong features set, very good user interface • Limited support but can be purchased for additional cost

  10. Database comparison charts on the NET • http://www.geocities.com/mailsoftware42/db/ • http://www.builderau.com.au/architect/database/soa/Road_test_Four_databases_tested/0,39024547,39224962-7,00.htm • http://en.wikipedia.org/wiki/Comparison_of_relational_database_management_systems

  11. References • http://en.wikipedia.org/wiki/ • http://www.sybase.com • http://www.oracle.com • http://www.teradata.com/ • http://www-306.ibm.com/software/data/db2/ • http://www.microsoft.com/sql/ • http://www.mysql.com • http://www.postgresql.com

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