“Symmetric hash join”的意思、由来-开放百科全书

词条

Symmetric hash join

释义

Algorithm
See also
References

The symmetric hash join is a special type of hash join designed for data streams.^[1]^[2]

Algorithm

For each input create a hash table
For each new record hash and insert into inputs hash table
- Test if input is equal to a pre defined set of other inputs
- If so then output the records

References

1. ^{{cite web|url=http://www.inf.ed.ac.uk/teaching/courses/exc/reading/p5-golab.pdf|title=Issues in Data Stream Management|publisher=}}
2. ^{{cite web|url=http://www.cs.uwaterloo.ca/~david/cs448/A2.pdf|title=University of Waterloo - Database Systems Implementation|publisher=}}

2 : Hashing|Join algorithms

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Algorithm

See also

References