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wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
I need to Map an E-R diagram to a relational schema
Define the Two Phase Locking Protocol This is a protocol that is used to make sure serializability of transactions. This protocol needs that every transaction issue lock and u
employee(empid,empname,dept,telno,mobno, add,sssno,tinno,WEdates,WEcomp,WEadd,WEpos,WEres) this is a employee record which is need to be normalize.the WE means work experience
Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
Give the two reasons for allowing concurrency
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Question: Consider the following database relations for a textbook ordering system used by a college bookshop: Book (b-copy#, bname, ISBN#, author, price, subject) Order (s#
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