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.
Explain the term power center repository?
Give brief introduction of the term breakpoint in SSIS?
Explain Triggers and Rules?
Illustrates the term Monopolistic Competition?
Illustrates the relationship between a queue and underlying array of data structure?
Explain, why we use the lookup transformations?
Explain the usage of the repository connectivity?
Explain the way to set the number of lines upon a page of output and the width.
Illustrates the term data sparsity and how this effect upon aggregation?
Describe a surrogate key and also explain the ideal primary key and illustrate how surrogate keys meet up this ideal?
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