A directory is a way in which complex information is organized making it easy to find e.g employees in a company,books in a library,etc
An online directory is a specialized database that stores & retrieves collections of information about objects. Although an online directory is a database—that is, a structured collection of data—it is not a relational database. The following points contrasts online directories with relational databases.
- The online directory is primarily read focussed whereas the relational database is primarily write-focussed
- Online directory is designed to handle simple transactions on small units of data while RDB handles large transactions on large data
- Online directory is designed to store information in entries while RDB is designed to store information in rows in relational tables.
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