A Review Of indexing

four That looks like a query that just appears to be up a specific, indexed record (Possibly determined by primary crucial). The index will make this quicker as it is saved in memory, the corresponding index row can be looked at and it has a pointer to wherever the actual info is saved. So MySQL can
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15