'Sized data entries' diaporamas de présentation

Lecture 12: Storage and Indexing

Lecture 12: Storage and Indexing. Storage and Indexing. How do we store efficiently large amounts of data? The appropriate storage depends on what kind of accesses we expect to have to the data. We consider: primary storage of the data additional indexes (very very important).

600 views • 42 slides

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 >

403 views • 34 slides

Indexing - revisited

Indexing - revisited. CS 186, Fall 2012 R & G Chapter 8. Index Classification. Selections (lookups) supported Representation of data entries in index what kind of info is the index actually storing? 3 alternatives here Clustered vs. Unclustered Indexes Single Key vs. Composite Indexes

247 views • 15 slides

File Organizations and Indexing

235 views • 15 slides