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Tree-Structured Indexes

Tree-Structured Indexes. Chapter 9. Introduction. As for any index, 3 alternatives for data entries k* : Data record with key value k < k , rid of data record with search key value k > < k , list of rids of data records with search key k >

407 views • 34 slides

Tree-Structured Indexes

Tree-Structured Indexes. Chapter 10. Introduction. As for any index, 3 alternatives for data entries k* : Data record with key value k < k , rid of data record with search key value k > < k , list of rids of data records with search key k >

571 views • 28 slides

Tree-Structured Indexes

Tree-Structured Indexes. Introduction. As for any index, 3 alternatives for data entries k* : Data record with key value k < k , rid of data record with search key value k > < k , list of rids of data records with search key k >

434 views • 26 slides

Tree-Structured Indexes

Tree-Structured Indexes. Introduction. As for any index, 3 alternatives for data entries k* : Data record with key value k < k , rid of data record with search key value k > < k , list of rids of data records with search key k >

276 views • 19 slides

B+ Trees

B+ Trees. Tree-Structured Indices. Tree-structured indexing techniques support both range searches and equality searches . ISAM : static structure; B+ tree : dynamic, adjusts gracefully under inserts and deletes. Overflow . page. index entry. ISAM. P. K. P. P. K. P. K. m. 2.

303 views • 18 slides

ISAM: Indexed-Sequential-Access-Method

1.4k views • 9 slides

Tree-based Indexing

Tree-based Indexing. Hessam Zakerzadeh. ISAM ( Indexed Sequential Access Method ). Static index structure. Effective when file is not frequently updated. Data values reside in leaf nodes. Overflow . page. Non-leaf. Pages. Leaf. Pages. Primary pages. Leaf pages contain data entries .

805 views • 9 slides

ISAM: Indexed-Sequential-Access-Method

219 views • 9 slides

Range Searches

212 views • 7 slides