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what do you mean by consistency in rdbms?
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
Using a labelled diagram explain the operation of the Data Warehouse, define the basic architectural components and outline the main functionalities. Briefly explain the role an op
Question: a) What is Client/Server and what benefits can be expected from Client/Server systems? b) Explain what middleware is and what it does. Why would MIS managers be p
what is view?explain
Define multivalued dependency and 4NF. Ans: Multivalued Dependency - Assume R be a relation schema and let α ⊆ R and β ⊆ R. The multivalued dependency α →→β holds o
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Can we delete data element, which is being used by table fields. No we cant delete data element.
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
What is the need of a log in a DBMS? Briefly describe the various types of records that are normally present in a log. Ans: The system log, which is generally writt
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