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Explain controlled redundancy?
Controlled redundancy : The replication of data within the data warehouse for the purposes of improved data access or understand ability.
In Database software have only pure security or some dis secured by administrator?
Advantages of Database management system Let us summarize the advantages. Reduction of Redundancy: This is perhaps the most important advantage of using DBMS. Redundancy i
The technique of converting the state diagram to code a) Identify all major control paths. Start from initial state; choose a path across the diagram that corresponds to normal
Briefly describe concurrency execution? Lock - based protocols Locks There are several modes in which a data item may be locked in this section we restrict our attention
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Scenario 1: Power goes out after the first instruction. What happens?
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
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