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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.
What is Cassandra?
Partitioning means that Cassandra can distribute your data across multiple machines in an application-transparent matter. Cassandra will automatically repartition as machines are added and removed from the cluster. Row store means that like relational databases, Cassandra organizes data by rows and columns. The Cassandra Query Language (CQL) is a close relative of SQL.
What is FoundationDB?
FoundationDB is a NoSQL database with a shared nothing architecture. Designed around a "core" ordered key-value database, additional features and data models are supplied in layers. The key-value database, as well as all layers, supports full, cross-key and cross-server ACID transactions.
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2110 Companies Using PostgreSQL
277 Companies Using Cassandra
1 Companies Using FoundationDB
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cyrusstoller uses PostgreSQL
I'm using PostgreSQL as the backend for my web applications. I like that I get the benefits of a SQL database while also being able to use features like HSTORE.
Packet uses PostgreSQL
PostgreSQL is our main data store for all relational data. It comes with a build in key-value store and integrates well with other areas of our platform.
nrise uses PostgreSQL
RDBMS 가 필요한 경우 모두 postgresql 을 사용합니다. 신뢰성 있고, 안정적이며, 오픈소스입니다.
데이터베이스의 앞에는 pgbouncer 라는 connection pooler 를 사용합니다. 어플리케이션 서버에서 데이터베이스에 연결하는데 1ms 대가 소요됩니다.
Kalibrr uses PostgreSQL
PostgreSQL is our main datastore, and we make judicious use of its fantastic features: JSON columns, recursive CTEs, streaming binary replication, triggers, and constraints, among others.
SmartLogic uses PostgreSQL
When we need to keep data in a safe place, we turn to PostgreSQL. Not only is the software rock-solid, but new versions add amazing features like JSON support that give us the best of both worlds: SQL and NoSQL.
rhnorment uses PostgreSQL
5 years with PostgreSQL experience. 7 years of experience with MySQL and PostgreSQL combined.
cuu508 uses PostgreSQL
PostgreSQL is the "pragmatic" choice, and, unsurprisingly, is serving us well!
Being a Django project, healthchecks.io also works with MySQL.
DeliciousDB uses PostgreSQL
We support Postgres databases so that developers can interact with their data.
nalexander21 uses PostgreSQL
High performance database for when performance really starts to matter.
Analytical Informatics uses PostgreSQL
PostgreSQL is our data store for both core clinical data, internal status and log data, as well as application-specific schemas for user-generated data.
lispur uses PostgreSQL
General relational data for configuration and integration. Some reporting. Use as a better "mongo" for json document storage.
TribeMedia uses PostgreSQL
We use PostgreSQL for all transactional data storage where data must remain consistent at all times (not eventually consistent like document databases).
Cloudcraft uses PostgreSQL
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.
Sail Tactics uses PostgreSQL
Backend for Drupal data, backend for weather forecast data using PostGIS on AWS RDS
Suburban Express uses PostgreSQL
Primary relational database which holds all schedules, customer information, ticket purchases, and transactions.
giovannicandido uses PostgreSQL
The main storage facility. It is performant enough and has the possibility to use NoSQL datatypes as well, it is also very good at development friendly and production enterprise quality and security
OnlineCity uses PostgreSQL
PostgreSQL is our datastore, used for long term storage and analytics. But not active data, such as messages enroute.
micro systems uses PostgreSQL
All data is centrally kept in a PostgreSQL database. Part of the business logic is realized as PostgreSQL stored procedures. We make a lot of use of asynchronous notifications and other advanced PostgreSQL features.
Lumanu uses PostgreSQL
PostgresSQL is our datastore of record. It is a flexible, poweful, relation datastore that fulfills so many needs.
aleccunningham uses PostgreSQL
I use PostgreSQL due to its frequency of updates compared to MySQL, and based on preference. Nginx + PostgreSQL + Gunicorn is the best stack for running a Django based API.
yevgnenll uses PostgreSQL
django 프로젝트는 orm을 사용하기 때문에 DB를 변경하는것에 대한 두려움이 없습니다. 하지만 굳이 postgreSQL 을 사용한 것은 json 형식으로 저장이 가능하다는 점 때문입니다. 이것을 어떻게 사용할지는 아직 모르겠는것이 사실입니다.
하지만 restful api를 구축할때 이 부분에 대해 심도있게 다룰 예정입니다.
ralic uses PostgreSQL
Installed PostgreSQL server. Maintain database administration and database migration.
ReviewTrackers uses PostgreSQL
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.
tj uses PostgreSQL
Postgres is used as the primary data store for users, checks, alerts and so on, as well as some aggregated stats.
MyklClason uses PostgreSQL
Heroku recommends PostgreSQL, so I use it and it seems to work well enough.
APRAET uses PostgreSQL
We decided to go for Relational Database and PostgreSQL was the best fit (Search for custom fields etc).
Partners in School Innovation uses PostgreSQL
Our main database. Hosted on Bitnami in Google Compute Engine
papaver uses PostgreSQL
we used postgres at talenthouse. some of the json stuff in there is pretty awesome. was quite fun using it with scala's slick.
AngeloR uses PostgreSQL
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.
mfbx9da4 uses PostgreSQL
Used in great detail at Cloudfind. Profiled and improved bulk SQL upsert performance 200 fold.
emidln uses PostgreSQL
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.
Emcee uses PostgreSQL
Reliable, mature and friendly database server with a great open source community.
HomeActions uses PostgreSQL
RDBM and Document storage combined with good performance makes this a must-have for HomeActions.
jflynn33 uses PostgreSQL
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.
Atlas Geographic Data, Inc. uses PostgreSQL
Postgres is our database of choice because of it's power and reliability. It is the storage backend of nearly all of our web applications.
Bermuda Digital Studio uses PostgreSQL
Scalable and high performance mixed-type storage. It is simply robust and met expectations
Micrantha uses PostgreSQL
a shared enterprise database on a server using schemas for isolation and built in random functionality
vijaya2311 uses PostgreSQL
Store connectivity information and used by front-ends to query and display connected nodes
Altlock uses PostgreSQL
I use PostgreSQL because it's fast, easy to use and works with every program we have.
tinogehlert4783 uses PostgreSQL
Good clients in Python (Raspberry Pi) and R (RShiny), free PaaS available and sufficient for this project
Soundcloud uses Cassandra
Stitch is a wrapper around a Cassandra database. It has a web application that provides read-access to the counts through an HTTP API. The counts are written to Cassandra in two distinct ways, and it's possible to use either or both of them:
Real-time: For real-time updates, Stitch has a processor application that handles a stream of events coming from a broker and increments the appropriate counts in Cassandra.
Batch: The batch part is a MapReduce job running on Hadoop that reads event logs, calculates the overall totals, and bulk loads this into Cassandra.
Vital Labs, Inc. uses Cassandra
Cassandra is our data management workhorse. It handles all our key-value services, supports time-series data storage and retrieval, securely stores all our audit trails, and backs our Datomic database.
ShareThis uses Cassandra
We are using Cassandra in a few of our apps. One of them is as a count service application to track the number of shares, clicks.. etc
SocialCops uses Cassandra
While we experimented with Cassandra in the past, we are no longer using it. It is, however, open for consideration in future projects.