Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:architecture
|
| gptkbp:advantage |
efficient range queries
minimizes disk reads |
| gptkbp:application |
transaction processing
file organization key-value stores indexing large datasets |
| gptkbp:hasProperty |
all leaves at same depth
all values at leaf level balanced height efficient for block-oriented storage fanout greater than 2 high fan-out reduces tree height internal nodes guide search internal nodes store keys only leaves linked for fast traversal leaves store actual records or pointers minimizes tree height nodes correspond to disk blocks nodes have variable number of children optimized for disk access splits and merges on insert/delete supports range scans used for primary indexes used for secondary indexes |
| https://www.w3.org/2000/01/rdf-schema#label |
B+ tree
|
| gptkbp:introducedIn |
1972
|
| gptkbp:inventedBy |
gptkb:Rudolf_Bayer
|
| gptkbp:isA |
search tree
self-balancing tree generalization of B-tree |
| gptkbp:operator |
delete
insert search sequential access |
| gptkbp:relatedTo |
gptkb:red-black_tree
AVL tree B-tree binary search tree |
| gptkbp:usedBy |
gptkb:MySQL
gptkb:Oracle_Database gptkb:Microsoft_SQL_Server gptkb:NTFS gptkb:PostgreSQL gptkb:ReFS |
| gptkbp:usedIn |
file systems
database systems |
| gptkbp:bfsParent |
gptkb:ISAM
gptkb:HPFS |
| gptkbp:bfsLayer |
7
|