PostgreSQL capabilities
PostgreSQL provides enterprise-level services that guarantee the continuation of the business. For example, PostgreSQL supports replication, this enables the developers to provide high availability (HA) solutions. PostgreSQL can integrate data form different data sources , this makes it easy for developer to use it for extract , transform, and load (ETL) jobs .In addition to that PostgreSQL security is treated as a first class citizen and not as a good to have feature, security updates are shipped in minor releases. Finally, the features of PostgreSQL is uncountable, PostgreSQL provides advanced SQL statements, very rich extensions, and interactive tools.
Replication
Replication allows data from one database server to be replicated to another server. Replication is used mainly to achieve the following:
- High availability: A second server can take over if the primary server fails
- Load balancing: Several servers can serve the same requests
- Faster execution: A query is executed...