Does anybody knows how Google or Yahoo perform searches for keywords against very very huge amounts of data? What sort of database or technologies do they employ for this?
It takes few milliseconds, but they have more than a billion pages indexed.
I'm considering using mediumint or bigint for an ID column. I prefer to use bigint, because that way I'm very sure that the huge numbers that the client sometimes uses are stored just fine. However, I can also technically split up the numbers, and that way use a mediumint. I do not care about sto...
I need to find the start and end dates of range defined as: start date is the first date and the end date is the first date where the subsequent date is two months or more after the end date. There can be multiple possible ranges
I have a table structure like:
ID int identity(1,1),
fk_I...
The guy has changed his requirements three times, two people have submitted multiple versions of a query (none of which has been "just right"), and now his question is fragmented into two different sets of sample data and two seemingly conflicting sets of desired results.
I need to find the start and end dates of range defined as: start date is the first date and the end date is the first date where the subsequent date is two months or more after the end date. There can be multiple possible ranges
I have a table structure like:
ID int identity(1,1),
fk_I...
