Summary (Contd.)
- Typically, 67% occupancy on average.
- Usually preferable to ISAM, modulo locking considerations; adjusts to growth gracefully.
- If data entries are data records, splits can change rids!
Key compression increases fanout, reduces height.
Bulk loading can be much faster than repeated inserts for creating a B+ tree on a large data set.
Most widely used index in database management systems because of its versatility. One of the most optimized components of a DBMS.