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consider the following set of facts for the relation parentx v where y is the parent of xa show how to solve the
1 what are the differences between row-level and statement-level active rules2 what are the differences among immediate
1 briefly discuss the consistency and termination problems when designing a set of active rules2 discuss some
1 what are the differences between valid time transaction time and bitemporal relations2 describe how the insert delete
1 describe how the insert delete and update commands should be implemented on a transaction time relation2 what are the
consider a deductive database with the following rulesancestorxy - fatherxyancestorxy - fatherxz ancestorzynotice that
application implementation plans have you ever heard the expression fire ready aim it expresses frustration over the
1 what are the different phases of the knowledge discovery from databases describe a complete application scenario in
1 what are the five types of knowledge produced from data mining2 what are association rules as a type of knowledge
change management is the process of helping people adapt to a change from the as-is system to the to-be system without
1when are voting and elections used in distributed databases2 what are the software components in a client-server ddbms
1 discuss the factors that do not appear in centralized systems that affect concurrency control and recovery in
1 discuss the factors that affect query decomposition how are guard conditions and attribute lists of fragments used
1 discuss the naming problem in distributed databases2 discuss the different techniques for executing an equijoin of
1 how is a horizontal partitioning of a relation specified how can a relation be put back together from a complete
1 what is a fragment of a relation what are the main types of fragments why is fragmentation a useful concept in
1 what are the main reasons for and potential advantages of distributed databases2 what additional functions does a
1 what is the multidimensional data model how is it used in data warehousing2 define these terms star schema snowflake
1 what is a data warehouse how does it differ from a database2 define the terms olap online analytical processing rolap
the kvrneans algorithm uses a similarity metric of distance between a record and a cluster centroid if the attributes
1 show two rules that have a confidence of 07 or greater for an itemset containing three items from exercise 232 for
1 what are the difficulties of mining association rules from large databases2 what are classification rules and how are
1 describe an association rule among hierarchies with an example2 what is a negative association rule in the context of
1 what is the downward closure property how does it aid in developing an efficient algorithm for finding association
heres an interesting way to remove duplicates from an array the insertion sort uses a loop-within-a-loop algorithm that