A database is an organized collection of information. It is structured so you can jump to the information by using a key, and find related infromation by navigating a path. A sequential (flat) file is not considered a database.
A relational database contains one-to-many relationships.
A networked database contains one-to-many and many-to-many relationships.
Explain about class libraries in ruby?
Explain about portability?
Explain about the command line options?
Explain about garbage collection feature of ruby?
Explain about operators in Ruby?
Explain the difference between nil and false in ruby?
Explain about environment variables present in ruby?
Explain the use of global variable $ in Ruby?
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