As explained above, the expression in such a statement is evaluated by means of an SQL SELECT command sent to the main database engine. The expression must yield a single value. If the expression's ...

In database migration projects from Oracle to PostgreSQL, converting from the stored procedure language PL/SQL to PL/pgSQL is one of the most complex and difficult tasks. Many migration projects ...

page_description This tutorial explains you the block structure of PL/pgSQL and shows you step by step how to develop anonymous blocks. Summary: in this tutorial, you will learn about the block ...

Usually databases are treated primarily as fairly dumb data storage systems, but they can be capable of much more. Case in point the PostgreSQL database and its – Ada-based – PL/pgSQL programming ...

Some of the environment variables that are accepted by the Python interpreter can also be used to affect PL/Python behavior. They would need to be set in the environment of the main PostgreSQL server ...