... a set at a time, rather than a record at a time• SQL is used to manipulate relational databasesThe Relational Database Concept• Proposed by Dr. Codd in 1970• The basis for the relational ... storage management, indexing, transaction processing and read/update informationQuery Language Interface• Wrapped around the kernel, allows the ad hoc query against the database Interactive ... dataProcesses (memory)• Database Writer, Archiving, User Manager, Server Manager, Redo Log filesDesignBusiness Information RequirementsConceptualData Modeling Database Build Database DesignEntity-Relationship...