What Is Relational Database Management System (RDBMS)?
The relational database is the mother of all databases; we're not kidding. Relational databases are the workhorses of the information technology world. They're used by governments, schools, businesses and hospitals across the globe to store everything from medical data to customer information to employee records. Relational database management systems manage these databases—RDBMSs for short—based on a model created by Edgar F. Codd in 1970. That's right: The father of modern relational database design is named Edgar F.Codd! Today, the RDBMS used in many commercial and open-source applications is known as SQL (Structured Query Language). It was developed in 1986 by IBM engineers as part of their flagship DB2 product line. SQL is used primarily for querying and updating data stored in tables within a relational database environment. In 1970, Edgar F. Codd, a British computer scientist at IBM, published "A Relational Data Model for Large Shared Data Banks".The famous paper attracted little interest then, and few understood how Codd's groundbreaking work defined the ground rules for storing relational data. Codd had been working to represent data in a way that could be shared across multiple computers. He believed that by creating a system where data was stored in tables that could be easily queried and manipulated by users, he could make it easier for people to share information across networks. But when Codd took his idea to IBM management, they were less enthusiastic. They told him it would never work—and if it did, they didn't want anything to do with it! Still convinced that his idea was sound, Codd continued working on it alone. and after five years of development—and with some help from fellow scientists at MIT—he finally published his paper on what we now call relational databases. He wrote his piece using an early version of Lotus Notes!
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