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I am trying to write a function in postgresql and I keep getting the error: language &quot;plpgsql&quot; does not exist. &nbsp;I have type in createlang cs442 and added 'Language plpgsql to my function but I am still getting the error.<br />
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Can someone help please.
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I am trying to write a function in postgresql and I keep getting the error: language "plpgsql" does not exist.  I have type in createlang cs442 and added 'Language plpgsql to my function but I am still getting the error.

Can someone help please.

language &quot;plpgsql&quot; does not exist

PostgreSQL is an object-relational database management system with an emphasis on extensibility and standards-compliance. As a database server, its primary function is to store data securely, supporting best practices, and to allow for retrieval at the request of other software applications. PostgreSQL implements the majority of the SQL2011 standard, is ACID-compliant and transactional using multiversion concurrency control (MVCC), and handles complex SQL queries using many indexing methods that are not available in other databases. It is cross-platform and runs on many operating systems including Linux, FreeBSD, OS X, Solaris, and Microsoft Windows.

language &quot;plpgsql&quot; does not exist

language "plpgsql" does not exist