CPU and SQL Server 2008 licensing model number of users purchase SQL Server 2008 by Talking with per-user license by cpu CPU License: each running SQL Server or its components (such as Analysis Service) for each processor on the server requires a processor license. License allows an unlimited number of users or devices from outside or inside the firewall to access the server. SQL Server supports the specified number of processor sockets in each logical CPU socket number multiplied. For example, the following table, the following shall be treated as a single processor Processor:? Each socket layer two logical CPU in a single processor core HT. ? Has two logical CPU dual-core processors. ? Has four logical CPU quad-core processors. SQL Server-based processor socket (instead of logical CPU) for authorization. According to the number of users licensed: Indicates the same time allows a maximum number of connections. For the standard version, in addition to the number of users licensed, still need to buy a license server. Training of teachers who gave us suggestions vast majority of cases are bought by CPU license. First, the per-CPU license that is calculated according to the physical CPU, such as Intel E5620 this CPU, with 4 cores, each also has two logical CPU. But we only need one license. This is compared with some other software, great advantage, because a lot of software is to count on nuclear. Second, according to the number of users licensed number of users can also be licensed to buy, then the number of users is what does that mean? Many people (including me) thought it was the number of concurrent, but only after asking the number of concurrent users is not. So what does that mean the number of users? That * can not explain exactly. Including Windows Server 2008, the number of clients is what it meant, she replied: Client client connection is to use Windows. ? A manufacturer's answer: 15 users, LAN to access a PC install SQL Server 2008 number. ? Microsoft Customer Service and Technical Support Center Answer: You can be understood as any need to access SQL Server devices such as personal computers, workstations, terminals, PDA, mobile phone and so on. The purchase method is more suitable for deployment within the LAN, but the number of clients and servers in case the lower the ratio would be more economical. Still confused, I said I was on the site, other then recommended to use per-CPU license.