What database technologies are used in software development?

Database technology used in software development;

1. Relational database (RDBMS):

Relational database is a database based on relational model, which uses SQL (Structured Query Language) for data management. Common relational databases include:

Myqloracdatabasesoftsqlserverspostgresqlite2.nosql database:

NoSQL database does not use the traditional tabular relational model, and is suitable for processing a large number of unstructured or semi-structured data. Common NoSQL databases include:

MongoDB (document database) Cassandra (column database) Redis (key-value pair database) CouchDB (document database) Secondary (graphic database) 3. Graphic database:

Graphic database is specially used to store and process data with graphic structure, which is suitable for scenes that need to deal with entity relations. For example:

Near-Earth Objects 4. In-memory database:

Memory database stores data in memory, which improves the speed of data access. Common in-memory databases include:

RedismemchachedHazelcast 5。 Time series database:

Time series database is specially used to store and query data arranged in time series, which is suitable for scenes dealing with time series data. For example:

InfluxDBOpenTSDB6。 Search engine:

Some software developers will use specialized search engines to handle full-text search and related queries. For example:

ElasticsearchApacheSolr7。 Distributed database:

Distributed database is used to deal with large-scale data storage and query distributed on multiple nodes. For example:

Apache Cassandra AmazonDynamodbgoogleCloudbigtable In the actual software development, choosing the appropriate database technology depends on the project requirements, data characteristics, performance and scalability requirements.

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