What database does Pinterest use?

In 2013, we introduced HBase as Pinterest’s first NoSQL database system. Since then, HBase has been very popular, and it has been serving many of our critical services. Based on HBase, we’ve built a columnar data store, a graph service, and a number of other applications.

Is MongoDB a relational database?

MongoDB is a well-established, non-relational database system offering improved flexibility and horizontal scalability, but at the cost of some safety features of relational databases, such as referential integrity.

How are NoSQL databases structured?

One major, underlying difference is that NoSQL databases have a simple and flexible structure. They are schema-free. Unlike relational databases, NoSQL databases are based on key-value pairs. Some NoSQL database stores also allow developers to store serialized objects into the database, not just simple string values.

Where does Pinterest get its data?

Pinterest. Pinterest collects data that you have voluntarily submitted such as your name, profile profile photo, pins, comments, likes and your email address. It also collects other information such as location data from a mobile device.

Is Pinterest an information system?

Other Pinterest Blog Posts you might enjoy: 6 Simple Steps to set up and use Pinterest.

What is SQLite database?

SQLite (/ˌɛsˌkjuːˌɛlˈaɪt/, /ˈsiːkwəˌlaɪt/) is a relational database management system (RDBMS) contained in a C library. In contrast to many other database management systems, SQLite is not a client–server database engine. Rather, it is embedded into the end program. SQLite generally follows PostgreSQL syntax.

What is the structure of MongoDB?

In MongoDB, data is stored as documents. These documents are stored in MongoDB in JSON (JavaScript Object Notation) format. JSON documents support embedded fields, so related data and lists of data can be stored with the document instead of an external table. JSON is formatted as name/value pairs.

Does MongoDB support relational?

2 Answers. MongoDB (and most other NoSQL databases) do not natively support the concept of relations. RDBMSs have native query tools to define and make use of relationships (JOINs, for example) that MongoDB lacks. This doesn’t mean you cannot define relationships/references in NoSQL databases.

Is Pinterest a database?

A Database of Intentions. In 2012, Pinterest broke out to become a wildly popular site and app for collecting media across the Internet. People pin photos into collections called boards, which serve as big catalogs of objects.

What is a relational database (RDBMS)?

What is a Relational Database (RDBMS)? A relational database is a type of database that stores and provides access to data points that are related to one another. Relational databases are based on the relational model, an intuitive, straightforward way of representing data in tables.

How is data represented in a NoSQL database?

The simplest of the NoSQL databases, data is represented as a collection of key-value pairs. Related data is stored as a set of nested-key/value pairs within a single column. Data is stored in a graph structure as node, edge, and data properties.

What are the different types of non-relational databases?

Some popular non-relational databases include: 1 PostgreSQL, an object-relational DBMS 2 MongoDB, a document-oriented DBMS 3 Redis, an in-memory key-value DBMS. In-memory means the data is stored in a computer’s main memory rather than on a disk, which allows for faster operations. 4 Cassandra, a NoSQL DBMS

What is a relational data structure?

The warehouse can then pull the correct product, the customer can receive timely delivery of the order, and the company can get paid. The relational model means that the logical data structures—the data tables, views, and indexes—are separate from the physical storage structures.