disadvantages of nosql

method is not not possible, but in the actual use of each time repeated table structure changes is very painful. You can also preset a large number of pre-fields, but in this case, it is easy to get rid of the corresponding state of the field and data, that is, which field holds the data.--the processing of a simple query that requires a quick return of results ("simple" here refers to the absence of complex query conditions)This is not a disadvantage, but in any case, the relational database i

Add by Zhj: The good series, the author introduced the NoSQL database, and focused on memcached and Redis, do not know whether there are other NoSQL database articlesA NoSQL tutorial on massive data storage-01 The basic theory of the -02-memcached of the NoSQL tutorial on massive data storage -03_ of the

Nosql eye open source and nosqleye Open Source Introduction The NOSQL database monitoring tool currently provides monitoring functions for Redis and MongoDB. Function list Http://git.oschina.net/redtie/nosqleye Demo address Http: // 106.14.181.95: 7004 logon username and password: admin/admin Installation environment Recommended: centos7 (6. *), MySQL5.7, and JDK8 Installation Steps 1. Install

engaged in enterprise application development and integration. As early as 1980s, Fowler was an advocate who used object technology to build multi-layer enterprise applications. He wrote several classic books: Analysis Mode, UML essence, and refactoring. He changed the pattern of human software development. He was honored by developers as "Godfather" and never talked to the media about anything other than technology. Martin Fowler, a mysterious scientist, finally opened his mind for the first t

Tags: connection pool disk PHP return pip NSA file __name__ receiveThe difference between a non-relational database and a relational database: Benefits of non-relational databases: Performance NoSQL is based on key-value pairs, which can be imagined as the corresponding relationship between the primary key and the value in the table, and does not need to be parsed by the SQL layer, so the performance is very high. Scalability is also due

Web applications can not be separated from the database, there are a wide variety of databases available for developers to choose from, such as SQL, NoSQL, key value, graph database and so on. The popularity of different databases among developers is benevolent see, but by counting the public cloud platforms like Amazon, it's easy to see that there is a big difference in the prevalence of databases.Redis Labs interviewed 126 developers using Amazon Cl

NoSQL (nosql=not only sql), meaning the SQL movement, is a new revolutionary movement of the database, which was first suggested in the early days that the trend is growing to 2009, which refers to the non-relational database , With the rise of Internet Web2.0 Web site, the traditional relational database in dealing with Web2.0 website, especially the super-large-scale and high-concurrency SNS type Web2.0 P

Label:NoSQL databases are, of course, an essential part of the past architecture selection and practical use. We used the typical NoSQL databases of cassandra,mongodb,redis,hbase, respectively.1,cassandra:Cassandra from the installation configuration, to the use, load balancing mechanism, and so on, is undoubtedly one of the most convenient uses of these emerging nosql (personal use experience view)But from

Label:four categories of NoSQL databaseskey value (key-value) store databaseThis type of database primarily uses a hash table that has a specific key and a pointer to the specific data. The advantage of the Key/value model for IT systems is simplicity and ease of deployment. But if the DBA only queries or updates part of the value, Key/value becomes inefficient. Examples include: Tokyo cabinet/tyrant, Redis, Voldemort, Oracle BDB.Column Store Database

Comparison and Analysis of eight common NoSQL Database Systems Krist óf kolács is a software architect and consultant who recently published an article comparing various NoSQL databases. Although SQL database is a very useful tool, after 15 years of outstanding performance, the monopoly will be broken. This is only a matter of time: I was forced to use relational databases, but I finally found that I could

As we all know, relational data types have always been one of SQL's criticism. With the increasing variety of data, the conversion from various data types to relational data types has plagued most SQL database users. However, the advantages of SQL databases are undeniable. If you can have both the fish and the bear's paw-implementing nosql Data Types in the SQL database, isn't everything a wonderful change ?! It is said that everything in the world ha

Michael Kopp has more than 10 years of architecture and development experience in C ++ and Java/Jee. He is now a compuware technology strategist who specializes in the architecture and performance of large-scale product deployment. The following is a translation: Traditional enterprise database vendors often propose that nosql lacks professional monitoring and management tools. Their arguments are: enterprise applicationsProgramThe database needs

KristfKovcs, a software architect and consultant who once worked in a number of major companies, blogs on mainstream NoSQL databases (Cassandra, Mongodb, CouchDB, Redis, Riak, Membase, Neo4j, and HBase) A comprehensive comparison was conducted. Although SQL database is very useful NoSQL Krist ófskács, a software architect and consultant who once worked in a number of major companies, blogs on mainstream

Tags: style blog http color io os ar using JavaGuide: Kristóf Kovács is a software architect and consultant who recently published an article comparing various types of NoSQL databases. Although SQL database is a very useful tool, the monopoly is about to be broken after 15 years of a single show. This is only a matter of time: forced to use relational databases, but eventually found to be unable to adapt to the needs of the numerous. But the differen