Foreign Data Wrappers In 2003, a new specification called SQL/MED ("SQL Management of External Data") was added to the SQL standard. It is a standardized way of handling access to remote objects from SQL databases. In 2011, PostgreSQL 9.1 was released with read-only support of this standard, and in 2013 write support was added with PostgreSQL 9.3. There are now a variety of Foreign Data Wrappers (
The document discusses the benefits of using MongoDB over relational databases. MongoDB is document-oriented, which allows documents (objects) to map directly to programming language data types. Embedded documents and arrays reduce the need for joins. MongoDB also offers high performance through its lack of joins, embedded data model, and indexing capabilities. It provides high availability and ea
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