Explain the term optimization and performance tuning
Explain the term optimization and performance tuning and its work in practical projects?
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Performance tuning and optimization of a query includes collecting statistics on link columns, ignoring cross product join, selection of suitable primary index (to ignore skewness within storage) and by using secondary index. Ignoring NUSI is advisable.
Name the methods that are available in storing sequential files?
Describe why XML is a better markup language than HTML?
Explain the difference between expression and aggregator?
Briefly explain the sequence clustering algorithm?
Provide a brief introduction of the term ‘Data warehousing ’?
Core Competency: Helps the managers to think towards developing the core competencies with the help of cloud computing. Huge benefits can be reaped out of the cloud computing.
To implement the priority queue what is the minimum number of queues we need?
Give a brief note on the term degenerate dimension table?
Differentiate between Multiload and Fastload in terms of Performance?
How you can detect the loops?
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