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  1. www.postgresql.org › docs › currentPostgreSQL: Documentation: 17: CREATE FUNCTION

    26 wrz 2024 · Use CREATE OR REPLACE FUNCTION to change a function definition without breaking objects that refer to the function. Also, ALTER FUNCTION can be used to change most of the auxiliary properties of an existing function.

    • Create View

      Description. CREATE VIEW defines a view of a query. The view...

    • Devel

      Chętnie wyświetlilibyśmy opis, ale witryna, którą oglądasz,...

  2. www.postgresql.org › docs › currentChapter 9. Functions and Operators - PostgreSQL

    26 wrz 2024 · PostgreSQL provides a large number of functions and operators for the built-in data types. This chapter describes most of them, although additional special-purpose functions appear in relevant sections of the manual. Users can also define their own functions and operators, as described in Part V.

  3. www.postgresql.org › docs › currentPostgreSQL: Documentation: 17: 36.3. User-Defined Functions

    26 wrz 2024 · PostgreSQL provides four kinds of functions: Every kind of function can take base types, composite types, or combinations of these as arguments (parameters). In addition, every kind of function can return a base type or a composite type. Functions can also be defined to return sets of base or composite values.

  4. postgrespro.com › docs › postgresqlPostgreSQL : Documentation: 16: Chapter 9. Functions and...

    PostgreSQL provides a large number of functions and operators for the built-in data types. This chapter describes most of them, although additional special-purpose functions appear in relevant sections of the manual. Users can also define their own functions and operators, as described in Part V.

  5. stackoverflow.com › questions › 7963380What are PostgreSQL functions and when do I have to use them?

    1 lis 2011 · 3 Answers. Sorted by: 8. Definition, from wikipedia: A stored procedure is a subroutine available to applications that access a relational database system. Advantages of stored procedures in general, from wikipedia:

  6. dev.to › dukeofhazardz › creating-user-defined-functions-in-postgresql-a-journeyCreating User-Defined Functions in PostgreSQL: A Journey into ...

    24 sie 2023 · Creating a custom function in PostgreSQL involves a mix of SQL and PL/pgSQL. PL/pgSQL is a procedural language specifically designed for PostgreSQL, allowing developers to embed procedural code within SQL statements.

  7. postgrespro.com › docs › postgresqlPostgreSQL : Documentation: 15: 38.3. User-Defined Functions

    PostgreSQL provides four kinds of functions: Every kind of function can take base types, composite types, or combinations of these as arguments (parameters). In addition, every kind of function can return a base type or a composite type. Functions can also be defined to return sets of base or composite values.

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