Performance Tuning Definitions
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C
contiguity
Contiguity (from Latin contiguus and contingere, to have contact with) is the state of being in close proximity with or even touching another object.
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contiguous
Contiguous describes two or more objects that are adjacent to each other.
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D
drilldown
As currently used in information technology, to drill down (verb) is to focus in on something.
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H
hashing
Hashing is the transformation of a string of characters into a usually shorter fixed-length value or key that represents the original string.
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hybrid online analytical processing (HOLAP or Hybrid OLAP)
Hybrid online analytical processing (HOLAP) is a combination of relational OLAP (ROLAP) and multidimensional OLAP (usually referred to simply as OLAP).
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I
In-Memory OLTP
In-Memory OLTP is a Microsoft in-memory technology built into SQL Server and optimized for transaction processing applications.