Postgresql – What is wrong with entity class on my code?
I have no idea why I see this error on my code. I was tryed almost everything but there is still error (This is not a part of problem description but i need to add some more text so i…
Postgresql – How to perform Perfomance Benchmarking
Actually I have created all the extensions following this manual but I have no idea how to perform Performance Benchmarking. Can anyone step by step guide through that? Thank you.
Postgresql – Unable to start server in Apache AGE
I am installing Apace Age, Everything successfully done but when i run the command but unable to start the server. bin/pg_ctl -D demo -l logfile start I am facing this error: What are the steps I should do to resolve…
Postgresql – Metasploit database warning
When i run metasploit i get this message: WARN: Version mismatch for collation in database 'msf' DETAIL: The database was created with collation version 2.36, but the operating system provides version 2.37. HINT: Rebuild all objects in this database that…
Ubuntu – Error While Installaling age-installation
I am installing Apace AGE by following insulation steps form this :https://theundersurfers.netlify.app/age-installation/ But when I am on this step: (https://phpout.com/wp-content/uploads/2023/07/0hd1Y.png) It giving me this error: (https://phpout.com/wp-content/uploads/2023/07/cDhoG.png) Please anyone who may help to get it done or any other reference site…
Select within a column in PostgreSQL
I have a table where in a column there are titles. I would like to run a query in PostgreSQL, which helps me to select those titles that contain a particular word. (e.g. select every title that contains 'You', so…
Postgresql – How to sum json objects based on the keys?
Given a column with json objects, how to sum them based on the keys using sql? {"A": 10, "B": -5} {"A": 20} {"A": -15, "B": -5} {"A": -10, "C": 77} Result: {"A": 5, "B": -10, "C": 77}
Unable to connect to PostgreSQL in Docker from another Docker container
I have 2 docker containers as shown below. I can connect to PostgresSQL in docker by calling Test.Main() method without exception through a net6.0 C# Console App. But when I try to call Test.Main() from ASP.NET docker container I am…
Facing Error while creating an extension in PostgreSQL
Error while creating an extension of performance benchmark in Postgresql, I have already made pawankukreja superuser but not working and keeps giving me this Error while following this manual. Can anyone help me with that? Thank you.
Mysql – Match value with range value in column
I am having table with column registration year with values like '2017-2019' and '2014-2016. If my input value is 2018 then what will be my SQL query to get that record which is in between '2017-2019'. id registration_year 1 2014-2016…