| Category | Cars |
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| Created | 2013-12-19 | ||||
| Owner | tghinanxju | ||||
| Title | moncler madrid of course | ||||
| Description | Core relational database is SQL, which is the relationship, there are very strict mathematical basis - relational algebra, can be a good reality show complex links the world. The most important characteristic is to support the transaction, which is ACID, which was proposed by Jim Gray, who thus won the Turing Award for 1998. this database, more suitable for traditional businesses, as well as the electricity supplier company, which is transactional. NoSQL, storage is the key-value pair storage model is relatively simple, easy to expand, more suitable for simple business. the task decomposition, sent to each server, Moncler Jacke and then share data between two servers via a distributed file system, through an underlying structure to store the data is stored, so that we can meet the high requirements of concurrency and IO's. For over a large number of concurrent sites, such as facebook, very fit, of course, there are such a large amount of concurrent companies worldwide are few. to interview the day before yesterday, before the company is Moncler Online Shop using mongodb, they say there will throw a few questions, and today the Internet search a bit, can be found in a lot of really throw a few questions. It seems this is a common problem in this regard is also described mongodb need to constantly improve, otherwise, it can only be used for general Internet, the data is not suitable for high quality and safety requirements of the business. In addition, prior to read some DB2 data, which referred to an important feature of DPF DB2 is the database partitioning feature. A table in a database may be large, through this feature, can achieve the level Moncler Danmark of the data in this table automatically distributed to multiple servers to share data between multiple systems via a network file server, of course, the underlying data structures, or Using B-tree implementation. Here is an interview and write very well: ITPUB Fame Section 38: NoSQL expert Wang Tao Interview: Why do we need to do a NoSQL? | ||||
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| Broken | Yes | ||||
| Price | $ 50,000.00 | ||||
| Promotion level | None | ||||
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