File Structure and Hashing
File Structure and Hashing
Physical Storage Media
- Physical storage media differentiates the storage media into two categories and they are vo...}
File Structure and Hashing
File Organization
- The database is stored as a collection of files where each file is a sequence of records. A...}
File Structure and Hashing
Organization of Records in Files
- In a heap file organization a record can be placed anywhere in the file where there is spac...}
File Structure and Hashing
Hashing Concepts, Static and Dynamic Hashing
- A hash function 'h' is a function from the set of all search-key values k to the set of all...}
File Structure and Hashing
Order Indices
- Indexing mechanisms are specialized to speed up access to desired data. For example: author...}
File Structure and Hashing
B+ Tree Index
- B+ tree indices are considered as an alternative to indexed-sequential files. Disadvantages...}