Friday, 18 November 2022

How To Resolve/Fix 'ServerManager' Object Has No Attribute 'user info' I...


If you’ve encountered the 'ServerManager' object has no attribute 'user info' error in PostgreSQL pgAdmin 4, you’re not alone. This common error can be frustrating, but with the right steps, it can be resolved quickly. In this tutorial, we guide you through the process of identifying the cause of this issue and implementing the correct fix.

We begin by explaining what this error means and why it occurs in the PostgreSQL environment. You'll learn about the underlying factors that can lead to this issue, such as configuration problems or software bugs. Then, we provide a detailed, step-by-step walkthrough of the solution, ensuring that you can follow along and apply the fix to your own setup.

Additionally, the video covers preventative measures to help you avoid encountering this error in the future. By understanding the root cause and applying best practices in your PostgreSQL and pgAdmin 4 configurations, you can maintain a more stable and reliable database environment.

This tutorial is essential for database administrators, developers, or anyone who regularly works with PostgreSQL and pgAdmin 4. Whether you’re troubleshooting this error for the first time or looking to improve your PostgreSQL management skills, this video offers valuable insights and solutions.

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Download pgAdmin 4: https://www.pgadmin.org/download/pgadmin-4-windows/ How To Resolve/Fix 'ServerManager' Object Has No Attribute 'user info' In PostgreSQL pgAdmin 4 v6.16 'ServerManager' object has no attribute 'user_info' For PostgreSQL 15, the pgAdmin is not supported. We have the pgAdmin 4 6.8 version. But we need to install the latest version which comes with the installation file for PostgreSQL. I have already made that video. The link is in the description to download that. So we need to download only the pgAdmin. If we want to keep our database as it is. The pgAdmin download link is given in the video description. We have version 6.8 but the latest v is 6.16 Before installing this one, let's close the pgAdmin. Open the pgAdmin 4 v6 As we can see, I am able to log in to PostgreSQL 15 version. Also, I can see my PostgreSQL 14 as well, along with my previous works. Well, if you don't want to keep the previous version at all. Uninstall the existing system PostgreSQL. Then install PostgreSQL 15, which will come with the latest version of pgAdmin 4 itself. Thanks for watching... How To Resolve/Fix 'ServerManager' Object Has No Attribute 'user info' In PostgreSQL pgAdmin 4, Resolve/Fix 'ServerManager' Object Has No Attribute 'user info', 'ServerManager' Object Has No Attribute 'user info', Resolve/Fix 'ServerManager' Object Has No Attribute 'user info', Resolve 'ServerManager' Object Has No Attribute 'user info', Fix 'ServerManager' Object Has No Attribute 'user info', PostgreSQL pgAdmin 4, PostgreSQL, internal server error, resolve server error, fix server manager, fix user info postgres

Wednesday, 16 November 2022

How To Call A Stored Procedure From Another Stored Procedure In PostgreS...


In this tutorial, we explore a powerful feature of PostgreSQL: calling a stored procedure from another stored procedure using PL/pgSQL. This capability allows you to create more modular and organized database operations, making your code easier to maintain, reuse, and manage.

The video starts by introducing the concept of stored procedures in PostgreSQL and explains why you might want to call one stored procedure from another. We then dive into the syntax and structure required to implement this technique, providing clear, step-by-step instructions. You'll see how to pass parameters between procedures, handle return values, and manage potential errors effectively.

Additionally, the tutorial includes practical examples that demonstrate how nested stored procedures can be used in real-world database applications, such as managing complex business logic, automating repetitive tasks, or structuring large codebases. We also cover best practices for writing PL/pgSQL code, ensuring that your stored procedures are efficient, readable, and maintainable.

By the end of this video, you'll have a solid understanding of how to leverage nested stored procedures in PostgreSQL, enabling you to build more sophisticated and flexible database applications.

Whether you’re a database administrator, developer, or just looking to deepen your PostgreSQL knowledge, this tutorial provides the insights and techniques you need to effectively use stored procedures in PL/pgSQL.

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/*In this video we will see how to call a stored procedure 
from another stored procedure in PostgreSQL PLpgSQL*/

-- Please watch till the end, and leave a like-comment.
-- Don't forget to subscribe the channel

CREATE OR REPLACE PROCEDURE public.proc1()
LANGUAGE 'plpgsql'
AS $BODY$
DECLARE
BEGIN
 RAISE NOTICE 'This is proc 1, it will be called from proc2';
END;
$BODY$;

-- This is proc1 I have created
-- This will display the output
-- so, lets create it


CREATE OR REPLACE PROCEDURE public.proc2()
LANGUAGE 'plpgsql'
AS $BODY$
DECLARE
BEGIN
RAISE NOTICE 'This is proc 2';
-- Calling another procedure proc1()
call proc1(); -- here it is
END;
$BODY$;

-- This is proc2
-- I am calling proc1 inside proc2
-- When it gets executed, it should give output like this

-- 'This is proc 2'
-- 'This is proc 1, it will be called from proc2'

-- Now, lets call the procedure

-- In the next video, I will show how to call a parameterized procedure or function with
-- OUT parameter
-- Please subscribe the channel to get updates for such videos

call proc2();

-- As shown, the procedure is getting called from another procedure
-- Thanks for watching
-- Please leave your comment for the video

-- Source codes you will find from video description