The first schema returned in the search path is called the current schema. The PostgreSQL search_path variable allows you to determine the order in which schemas are searched and which schemas don’t need to use schema qualification. Remote clients can connect to the server over the network or the internet. The server program manages database files and accepts and executes multiple concurrent connections to the database from client applications. PostgreSQL uses a client-server architecture that allows the client and server to reside on different hosts on the network. PostgreSQL has become the preferred open source relational database of many organizations. With over 30 years of active development and the support of a dedicated open source community, PostgreSQL competes with top-ranked commercial databases such as SQL Server and Oracle. Its primary functions are to store and retrieve data securely while supporting current computing best practices. PostgreSQL is an open source object-relational database management system (ORDBMS) with a strong reputation for reliability and performance.
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