nosql db comparison

Recently, the company is making a NoSQL model selection, and has made the following Rough Analysis and Comparison on several common NoSQL databases over a week. Recently, the company is making a NoSQL model selection, and has made the following Rough Analysis and Comparison

BigTable and Amazon's Dynamo are now using NoSQL databases. See also NoSQL entry. ）1. CouchDB Language used: Erlang Features: DB consistency, easy to use License for use: Apache Protocol: Http/rest Bidirectional data replication, Ongoing or temporary treatment, With conflict checking during processing, Therefore, a master-mas

What is the comparison between nosql and relational databases? Advantages: 1) Cost: nosql databases are simple and easy to deploy. They are basically open-source software and do not need to be purchased and used at the same cost as Oracle, which is cheaper than relational databases. 2) query speed: nosql databases

Random access performance comparable to MySQL Best practice scenario: for Preference BigTable:) and for random, real-time access to big data.For example: Facebook message database (more common use cases are about to appear)Note 4:thrift is an interface definition language that provides definition and creation services for a variety of other languages, developed by Facebook and open source.Of course, all systems do not only have these features listed above. Here I just list some of the

Label:Recently, the well-known independent benchmark evaluation agency Bankmark, for the current mainstream NoSQL database sequoiadb, MongoDB and Cassandra three NoSQL database products to do performance comparison testing and release test reports. in all of the tests, the three NoSQL database products have the same pe

Http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-vs-redis from Cassandra vs MongoDB vs couchdb vs redis vs Riak vs hbase vs membase vs neo4j While SQL databases are insanely useful tools, their monopoly ~ 15 years is coming to an end. And it was just time: I can't even count the things that were forced into relational databases, but never really fitted them. But the differences between nosql databases are much bigger than it ever was between onesql

is no table structure, you can flexibly specify the query criteria. For example, a regular expression query or a query for a specific array element can 7. Example application: Storage of survey data Performance verification of several basic NoSQL databases: A NoSQL relational database 1. Ways to handlersocket the MySQL database to NoSQL: Characteristics: 1.

Label:Guide: 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 difference between

also NoSQL entry. ） 1. CouchDB Language used: Erlang Features: DB consistency, easy to use License for use: Apache Protocol: Http/rest Bidirectional data replication, Ongoing or temporary treatment, With conflict checking during processing, Therefore, a master-master copy is used (see note 2) mvcc– write operation does not block read operations The version bef

Source: comparison of various nosql databases in http://hi.baidu.com/eastdoor/blog/item/758d0e3eedb5d92471cf6c14.html Cassandra, MongoDB, CouchDB, Redis, Riak, HBaseCouchDBDevelopment language: ErlangMain advantages: data consistency and ease of useLicense: ApacheProtocol: HTTP/RESTApplicable: accumulated, less changed data. Or a large number of versions are required.Example: CRM, CMS systems. multi-site de

Tags: sql NoSQLa crud comparison between SQL and NoSQLFlyfish 2015-7-21Create, Read, Update and Delete (CRUD)SQL modeCheck Select Column name from table name select * FROM table name Select column name from table name WHERE column operator value Increase INSERT into table name values (value 1, value 2,....) INSERT into table_name (column 1, column 2,...) Values (value 1, value 2,....) Delete DELETE from table name WHERE column name = value Change UPDA

MySQL and Mongo dB syntax comparison This article describes how to write common SQL statements in MySQL in MongoDB. If you are eager to use MySQL for a long time, this simple Article It can help you enter the role more quickly.Query:MySQL:Select * from userMongo:DB. User. Find ()MySQL:Select * from user where name = 'starlil'Mongo:DB. User. Find ({'name': 'starlil '})Insert:MySQL:Insert inot user ('name', '

| 104Slow_query_log_file:/var/lib/mysql/mysql-server1-slow.log | /var/lib/mysql/keepalived01-slow.log server_id:1 | 2Hostname:mysql-server1 |keepalived01 Timestamp:1462931171.666154 | 1462931171.957681Log_bin:on|OFF general_log_file:/var/lib/mysql/mysql-server1.log | /var/lib/mysql/keepalived01.log max_binlog_size:134217728 | 1073741824server_uuid:c063ba6f-aee7-11e5-820e-000c29b05336 | 959bf641-b9e7-11e5-89c7-000c294c5ed4 Interpretation of output results: The first column is the instance parame

': ' Starlee '}, {$inc: {' Age ': 3}})Mysql:SELECT COUNT (*) from user WHERE ' name ' = ' Starlee 'Mongo:Db.user.find ({' name ': ' Starlee '}). Count ()Mysql:SELECT * from user limit 10,20Mongo:Db.user.find (). Skip. Limit (20)Mysql:SELECT * from user WHERE ' age ' in (25, 35,45)Mongo:Db.user.find ({' age ': {$in: [25, 35, 45]}})Mysql:SELECT * from user ORDER by age DESCMongo:Db.user.find (). Sort ({' Age ':-1})Mysql:SELECT DISTINCT (name) from user WHERE age > 20Mongo:Db.user.distinct (' name