We\'re using SQL Server 2008 R2 Enterprise Edition. We are measuring meteorological data from what we call MetMasts.
Pretend I\'m Mark Zuckerberg and it\'s 2003. I\'m building a social network website (thefacebook.com) and I need an advice.
I am trying to develop some database schema.Now i have one Article A and then i have a set of articles related to it.
Schema R = (A, B, C, D, E, F) FD F = {ABC -> D, CD -> B, BCF -> D, CDF -> BE, BCDF -> E}开发者_StackOverflow中文版
I\'m trying to create a website similar to Yelp (smaller scale, smaller market) and right now i\'m in the database design stage and was wondering how to model the tables for storing the \'additional b
I have data as CITY and AREA. Each CITY has multiple AREAS Each AREA has multiple AREAS (here there is no end, dynamically user can add AREAS under the child AREA like AREA->AREA->Area->ARE
I\'m currently in the initial phases of planning a rewrite for a large module in our CRM application.
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Currently we have a database and a script which has 2 update and 1 select, 1 insert. The problem is we have 20,000 People who run this script every hour. Which cause the mysql to run with 100% cpu.
Imagine we have a set of entities each of w开发者_如何学运维hich has its state: free, busy or broken. The state is specified for a day, for example, today on 2011-05-17 an entity E1 is free and tomorr
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