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.
List out the main attributes of the data stage?
What is meant by the term Context?
What are the utilities Oracle gives, which are utilize for backup and recovery?
Briefly describe the new features of SQL Server 2005 Analysis Services (or SSAS)?
Specify the options in the target session of the update strategy transformation?
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Objectives create an external DTD that dictates a relational model-like data structure for XML documents. Assignment 1 Description W
Distinguish between the query answering and direct query answering.
Provide a brief introduction of the term ‘Data warehousing ’?
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