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DBMS

Database : database can be defined as a collection of information stored at a particular place written in a predetermined manner, belongs to a particular topic.  DBMS: (DATA BASE MANAGEMENT SYSTEM):  it is defined as software which is present inside the database which is used o maintain or manage the data within the database .                                 In the above diagram, if the user needs any info from the database. He has to contact with  dbms , then the dbms goes to the database, takes the information from the  database and gives it back to the user. Database models :  these models are broadly divided into the following types: 1.         FMS/FDMS 2.         HMS/HDMS 3.         NDBMS 4.         RDBMS 5.      ...

Oracle Introduction

Before jumping to the topic of  oracle , there are somethings which are to be known. So lets take a while to know that first. ·             Data  –raw facts. ·           Oracle  –oracle is a corporation. ·            Products -oracle 9 i,oracle 10g. ·           Oracle is database software. ·           This works on client server architecture. ·           server -server is a computer[a highly configured computer]which shares common resources to their clients. ·           Client sends a request to the server the server approves the request and gives the response to the client. ·           Software- computer software...