A Brief History of Databases
A little background on the evolution of databases and database theory will
help you understand the workings of SQL. Database systems store information in
every conceivable business environment. From large tracking databases such as
airline reservation systems to a child's baseball card collection, database
systems store and distribute the data that we depend on. Until the last few
years, large database systems could be run only on large mainframe computers.
These machines have traditionally been expensive to design, purchase, and
maintain. However, today's generation of powerful, inexpensive workstation
computers enables programmers to design software that maintains and distributes
data quickly and inexpensively.
No comments:
Post a Comment