SQL relational database advantages? -
i know concept of relational database , why necesary , agree. know foreign key , everything. question adventages? mean when create relation diagram nothing. doesn't add foreign key automaticly. doesn't provide specific select command including both main dable , relatet table. or @ least couldn't figure out. can explain it, please?
too mention - search on 1 of search engines real way - if want know. below highlights:
the many advantages of relational databases can summed 1 major advantage: relational databases dynamic. if compare relational database flat file database, static data table, instantly see advantage former. ability bring connections within database surface makes data within more valuable.
some additional links benefit:
http://www.ehow.com/list_5985480_benefits-relational-database_.html http://benefitof.net/benefits-of-relational-databases/
i forgot note "sql" database, means subject of standards ansi sql, know vast majority of learn (or going to) can applied many other sql (compatible) databases. big reason go way.
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