procedure_demo=# CREATE OR REPLACE PROCEDURE raise_warning() AS $$ procedure_demo$# DECLARE procedure_demo$# warn INT := 10; procedure_demo$# BEGIN procedure_demo$# RAISE NOTICE 'value of warn : % at %: ', warn, now(); procedure_demo$# warn := warn + 10; procedure_demo$# RAISE...
A stored procedure is basically a set of precompiled SQL and procedural statements (declarations, assignments, loops, etc.) that is stored on the database server and can be invoked using the SQL interface to perform a special operation. Until PostgreSQL version 11, both stored procedure...
PostgreSQL 11 版本对存储过程的支持,从兼容层面考虑和Oracle的兼容性进一步增强,本文演示下PostgreSQL存储过程的创建和调用,并且演示存储过程支持嵌入事务样例。 发行说明 SQL stored procedures, with support for embedded transactions 存储过程创建语法 1 2 3 4 5 6 7 8 9 CREATE [ OR REPLACE ] PROCEDURE name ...
PostgreSQL Stored ProceduresLearn how to store SQL functions in your CARTO database.What is a stored procedure?PostgreSQL allows you to extend the database functionality with user-defined functions by using various procedural languages, which are often referred to as stored procedures....
1) Create a new stored procedure First, open the Command Prompt on Windows or Terminal on Unix-like systems. Second, connect to thesuppliersdatabase on the local PostgreSQL server: psql-U postgres-d suppliers Third, create a new stored procedure calledadd_new_part(): ...
Access control in PostgreSQL can be managed using roles and permissions. By default, the owner of the stored procedure has all the permissions. You can alter these permissions using theGRANTandREVOKEcommands. GRANTEXECUTEONFUNCTIONmy_function()TOsome_user; ...
For example, the myprocedure stored procedure makes it easier to insert data into a table.SQL Copy CALL insert_data (1, 2); In this example, myprocedure is used to insert just two values into a table. As the table structure gets more complicated, and you want to...
Summary: in this tutorial, you will learn how to create PostgreSQL stored procedures with INOUT parameters. Creating stored procedures with INOUT parameters Sometimes, you may want to return values from stored procedures. To achieve this, you can use the create procedure statement with INOUT paramete...
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PostgreSQL supporta stored procedure e funzioni per rendere riutilizzabili le query SQL. In questo modulo si apprende come creare ed eseguire stored procedure e funzioni. Obiettivi di apprendimento Al termine di questo modulo si sarà in grado di: ...