The idea is that given a key and a lock, you can check the key against the lock by hashing the key and seeing if it maps to the lock. But given just the lock, you can't generate the key (easily). Randall gave us a lock, and the competition is to find the closest key. This ...
HASHED COMPLETE indicates that hashing is used to eliminate duplicates during column-organized data processing. UNIQKEY Each row of this type will contain: Ordinal value of column in key (followed by a colon and a space) Name of Column Unique key columns. UR_EXTRA TRUE Uncommitted read isolat...
Not all algorithms have to be devised from scratch: many computer programs do the same sorts of things, and bits of them are often built from algorithms other people have devised in the past. Searching and sorting are two very common things that many programs have to do—and there are stan...