In this presentation we will discuss the recovery of the data contained in a database system after failures of various types. Continue reading “Database Recovery And Security IGNOU MCA” →

In this presentation we will go through the concepts of transaction and concurrency management. Continue reading “Transaction And Concurrency Management IGNOU MCA” →

This presentation gives a detailed description about distributed database systems, centralised system and client server databases. Continue reading “Distributed And Client Server Databases IGNOU MCA” →

This presentation has introduced the SQL language for relational database definition, manipulation and control. Continue reading “The Structured Query Language IGNOU MCA” →

This presentation is an attempt to provide a detailed viewpoint of database design. Continue reading “Relational and E-R Models IGNOU MCA” →