CouchDB vs MySQL vs PostgreSQL

CouchDB
CouchDB

274
136
72
MySQL
MySQL

20.7K
3.7K
5.6K
PostgreSQL
PostgreSQL

14.9K
3.4K
5.4K

What is CouchDB?

Apache CouchDB is a database that uses JSON for documents, JavaScript for MapReduce indexes, and regular HTTP for its API. CouchDB is a database that completely embraces the web. Store your data with JSON documents. Access your documents and query your indexes with your web browser, via HTTP. Index, combine, and transform your documents with JavaScript.

What is MySQL?

The MySQL software delivers a very fast, multi-threaded, multi-user, and robust SQL (Structured Query Language) database server. MySQL Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software.

What is PostgreSQL?

PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions.

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Why do developers choose CouchDB?
Why do developers choose MySQL?
Why do developers choose PostgreSQL?
What are the cons of using CouchDB?
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    What companies use CouchDB?
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    What companies use PostgreSQL?
    What are some alternatives to CouchDB, MySQL, and PostgreSQL?
    MongoDB
    MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema. MongoDB was also designed for high availability and scalability, with built-in replication and auto-sharding.
    Couchbase
    Developed as an alternative to traditionally inflexible SQL databases, the Couchbase NoSQL database is built on an open source foundation and architected to help developers solve real-world problems and meet high scalability demands.
    Cloudant
    Cloudant’s distributed database as a service (DBaaS) allows developers of fast-growing web and mobile apps to focus on building and improving their products, instead of worrying about scaling and managing databases on their own.
    MariaDB
    Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry. MariaDB is designed as a drop-in replacement of MySQL(R) with more features, new storage engines, fewer bugs, and better performance.
    RethinkDB
    RethinkDB is built to store JSON documents, and scale to multiple machines with very little effort. It has a pleasant query language that supports really useful queries like table joins and group by, and is easy to setup and learn.
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    What tools integrate with CouchDB?
    What tools integrate with MySQL?
    What tools integrate with PostgreSQL?
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          How developers use CouchDB, MySQL, and PostgreSQL
          Avatar of AngeloR
          AngeloR uses PostgreSQLPostgreSQL

          We use postgresql for the merge between sql/nosql. A lot of our data is unstructured JSON, or JSON that is currently in flux due to some MVP/interation processes that are going on. PostgreSQL gives the capability to do this.

          At the moment PostgreSQL on amazon is only at 9.5 which is one minor version down from support for document fragment updates which is something that we are waiting for. However, that may be some ways away.

          Other than that, we are using PostgreSQL as our main SQL store as a replacement for all the MSSQL databases that we have. Not only does it have great support through RDS (small ops team), but it also has some great ways for us to migrate off RDS to managed EC2 instances down the line if we need to.

          Avatar of Cloudcraft
          Cloudcraft uses PostgreSQLPostgreSQL

          PostgreSQL combines the best aspects of traditional SQL databases such as reliability, consistent performance, transactions, querying power, etc. with the flexibility of schemaless noSQL systems that are all the rage these days. Through the powerful JSON column types and indexes, you can now have your cake and eat it too! PostgreSQL may seem a bit arcane and old fashioned at first, but the developers have clearly shown that they understand databases and the storage trends better than almost anyone else. It definitely deserves to be part of everyone's toolbox; when you find yourself needing rock solid performance, operational simplicity and reliability, reach for PostgresQL.

          Avatar of Brandon Adams
          Brandon Adams uses PostgreSQLPostgreSQL

          Relational data stores solve a lot of problems reasonably well. Postgres has some data types that are really handy such as spatial, json, and a plethora of useful dates and integers. It has good availability of indexing solutions, and is well-supported for both custom modifications as well as hosting options (I like Amazon's Postgres for RDS). I use HoneySQL for Clojure as a composable AST that translates reliably to SQL. I typically use JDBC on Clojure, usually via org.clojure/java.jdbc.

          Avatar of Rajeshkumar T
          Rajeshkumar T uses MySQLMySQL
          • We are used MySQL database to build the Online Food Ordering System

            • Its best support normalization and all joins ( Restaurant details & Ordering, customer management, food menu, order transaction & food delivery).
            • Best for performance and structured the data.
            • Its help to stored the instant updates received from food delivery app ( update the real-time driver GPS location).
          Avatar of Srinivas Adireddi
          Srinivas Adireddi uses MySQLMySQL

          1.It's very popular. Heared about it in Database class 2. The most comprehensive set of advanced features, management tools and technical support to achieve the highest levels of MySQL scalability, security, reliability, and uptime. 3. MySQL is an open-source relational database management system. Its name is a combination of "My", the name of co-founder Michael Widenius's daughter, and "SQL", the abbreviation for Structured Query Language.

          Avatar of ShadowICT
          ShadowICT uses MySQLMySQL

          We use MySQL and variants thereof to store the data for our projects such as the community. MySQL being a well established product means that support is available whenever it is required along with an extensive list of support articles all over the web for diagnosing issues. Variants are also used where needed when, for example, better performance is needed.

          Avatar of ReviewTrackers
          ReviewTrackers uses PostgreSQLPostgreSQL

          PostgreSQL is responsible for nearly all data storage, validation and integrity. We leverage constraints, functions and custom extensions to ensure we have only one source of truth for our data access rules and that those rules live as close to the data as possible. Call us crazy, but ORMs only lead to ruin and despair.

          Avatar of shridhardalavi
          shridhardalavi uses MySQLMySQL

          MySQL is a freely available open source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). SQL is the most popular language for adding, accessing and managing content in a database. It is most noted for its quick processing, proven reliability, ease and flexibility of use.

          Avatar of Jeff Flynn
          Jeff Flynn uses PostgreSQLPostgreSQL

          Tried MongoDB - early euphoria - later dread. Tried MySQL - not bad at all. Found PostgreSQL - will never go back. So much support for this it should be your first choice. Simple local (free) installation, and one-click setup in Heroku - lots of options in terms of pricing/performance combinations.

          Avatar of King's Digital Lab
          King's Digital Lab uses CouchDBCouchDB

          Document (JSON) DB.

          • - queries must be pre-defined as views (not as flexible as query formulation on the fly)
          • - community and ecosystem not as large as mongodb
          • + PouchDB is an excellent JS library to interact with CouchDB or even work in offline-then-sync moce
          Avatar of John Galbraith
          John Galbraith uses MySQLMySQL

          I am not using this DB for blog posts or data stored on the site. I am using to track IP addresses and fully qualified domain names of attacker machines that either posted spam on my website, pig flooded me, or had more that a certain number of failed SSH attempts.

          Avatar of Smileupps
          Smileupps uses CouchDBCouchDB

          By being built on, of, in and around CouchDB, Smileupps offers to its customers secure and reliable CouchDB hosting and a CouchDB-based app store to build and sell serious business-enabled web applications

          Avatar of Giant Swarm
          Giant Swarm uses CouchDBCouchDB

          We use CouchDB in an internal analysis tool for usage data.

          Avatar of Mathias Vonende
          Mathias Vonende uses CouchDBCouchDB

          Storage for unstructured, linked and timeseries data.

          Avatar of Aaron Buchanan
          Aaron Buchanan uses CouchDBCouchDB

          json store + geo + _changes

          How much does CouchDB cost?
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