Techopedia explains DB2A relational database allows for a declarative model of the data and access to it via queries. For that purpose, IBM invented the now de-facto standard SQL (Structured Query Language). SQL is a very simple, English-like language which facilitates table creation, accessing and the manipulation of the data contained herein. Multiple entries in tables (called “records”) can be inserted, deleted and updated at the same time by concurrent users using commands specified in SQL. In the 1990s, a version of DB2 called LUV (Linux, Unix, Windows) was introduced, marking the porting of the database to smaller-type computing platforms. The range of computing platforms that DB2 runs on is wide, from mainframes and large distributed platforms to smaller scale PCs. DB2 Express-C, a free-of-charge version similar to the open source MySql, albeit not open source, is offered to the developer community. DB2 can be administered either through a command-line prompt or a GUI. The highly advanced features and security of DB2 makes it a widely used database in the modern software industry.
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