Session2 Module3-4 Indexes pdf

Tài liệu Module 8: Querying Full-Text Indexes pdf

... full-text indexes. Module 8: Querying Full-Text Indexes 17 Exercise 1 Obtaining Information About Full-Text Indexes In this exercise, you will create a full-text catalog and full-text indexes ... Information About Full-Text Indexes 5 Writing Full-Text Queries 7 Recommended Practices 14 Lab A: Querying Full-Text Indexes 15 Review 21 Module 8: Querying Full-Text In...

Ngày tải lên: 21/12/2013, 19:15

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Towards Instance Optimal Join Algorithms for Data in Indexes pdf

... Our second contribution is to show that using more sophisticated (yet natural and well-studied) indexes may result in instance optimal algorithms for some acyclic queries that are exponentially better ... A 2 ) ✶ ··· ✶ R n (A 1 , . . . , A n ) when the relations are sorted in lexicographical order (BST indexes on A 1 , . . . , A i for i = 1, . . . , n). Intu- itively, solving H n is equ...

Ngày tải lên: 30/03/2014, 22:20

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