Criticism regarding Sybase IQ
Describe in brief some of the criticism regarding Sybase IQ?
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The Sybase storage systems are optimized for Dataware housing applications where data can’t be changed by searching and accessing the data.
Its column based search criteria provide high performance for search however it negates the writing capability to data. Performance for row based relational based databases is worse since it is much difficult for updating and altering them.
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Explain the term Coalesce. Answer: Coalesce is also obtainable in Sybase, this function estimates the listed expressions and returns the first non-null value.
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