Where is in-memory database used?

What are in-memory databases used for?

In-memory databases are purpose-built databases that rely primarily on memory for data storage, in contrast to databases that store data on disk or SSDs. In-memory data stores are designed to enable minimal response times by eliminating the need to access disks.

What are three examples of in-memory databases?

List of In-Memory DatabasesOverview. In-memory databases rely on system memory as opposed to disk space for storage of data. ... H2 Database. ... HSQLDB (HyperSQL Database) ... Apache Derby Database. ... SQLite Database. ... In-Memory Databases in Spring Boot. ... Conclusion.

Is an example for in-memory database?

Apache Ignite is an in-memory computing platform that is durable, strongly consistent, and highly available with powerful SQL, key-value and processing APIs. With full SQL support, one of the main use cases for Apache Ignite is the in-memory database which scales horizontally and provides ACID transactions.

What is the reason to select in-memory database?

Accessing data in memory eliminates seek time when querying the data, which provides faster and more predictable performance than disk.