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how design database from begining
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
explain participation constraints with examples
explain normalisation
Describe identifying relationship? Identifying relationship: It is relationship among strong entity and a weak entity it is represented through a doubly outlined diamond in C
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
What is serializability? Explain its types? The data base system must control concurrent implementation of transactions, to ensure that the data base state remains consistent.
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What is the role of a database administrator?
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