Database system implement
There are five projects. HFpage, mostly do add, delete, update on HFpage.
HFfile, also do add, delete, update,search,etc on different records, number, string. Also, on different pages, should mataince order of records.
Buff Mange-project3: do love-hate buff replace policy, and build hash table for search.
B+ Tree: do add, delete, update, search on index and leave nodes, keep balance of the Tree.
SortMerge Join: just do a simple join of two tables