Tuesday, August 28, 2012

SQL SERVER - Difference between RDBMS and DBMS

1.      RDBMS DBMS + Referential Integrity
2.      An RDBMS is one that follows 12 rules of CODD.
·        In DBMS no relationship concept
·        It supports Single User only
·        It treats Data as Files internally
·        It supports 3 rules of E.F.CODD out off 12 rules
·        It requires low Software and Hardware Requirements.
·        FoxPro, IMS are Examples
·        It is used to establish the relationship concept between Two database objects, i.e, tables
·        It supports multiple users
·        It treats data as Tables internally
·        It supports minimum 6 rules of E.F.CODD
·        It requires High software and hardware requirements.
SQL-Server, Oracle is examples

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