I want to perform insert operations into the database on each pagination page, starting from the first page to the last page, and finish when the last page is done. but the problem is, I tried this code, but it…
I am trying to search my MongoDB of products. The dataset has multiple of each product to record price over time. I would like to search for a phrase then limit the results to 1 of each UPC. My current…
This is a senario: I have got a object let's say a cat. For example when I insert the cat 4 details to database, I can add children to cat 4, lets say cat 1, 2 and 3. In web…
could not connect to server: unable to connect to postgresql server. connection refused (0x0000274D/10061) is the server running on host and accepting TCP/IP connections on port 5432? i tried to login into the xampp application to fetch the report and…
I want to store such fields in the table as: the ID of the employee, his last name and first name, and how many hours he worked on each day of the month. For example, March 1 - 6 hours,…
SELECT * FROM destinations; id | updated_at | created_at | name | image --------------------------------------+----------------------------+----------------------------+----------------------------------------------+---------------------------------------------------- cf534cd9-56dd-43d5-87bb-713538ec748d | 2023-08-08 23:44:42.822226 | 2023-08-08 23:44:42.822226 | Afghanistan | https://x.cloudfront.net/flags/af.svg af4e3ac4-e9a6-4c17-8077-664d896f3a7f | 2023-08-08 23:44:42.822226 | 2023-08-08 23:44:42.822226 | Aland Islands | https://x.cloudfront.net/flags/ax.svg b377b81e-3a0c-4768-84c4-bba67e3bae1b | 2023-08-08…
What is the best way through which we can store pdf and images in mongoDB database. I was creating a careers page, in which the user have to submit his image and the resume along with other necessary details. How…
Can I add a hint clause to a materialized view in PostgreSQL as follows? or is there another way? ex1. CREATE MATERIALIZED VIEW MV1 /*+ IndexScan(tableA) */ SELECT... ex2. /*+ IndexScan(tableA) */ REFRESH MATERIALIZED VIEW MV1 I tried both, but…
Say I have a table of people: +----+------+ | id | name | +----+------+ | 1 | John | | 2 | Mary | | 3 | Jane | +----+------+ And various tables for clothing of various types, e.g. a…
i started learning clojure, and i have one problem. I just have 2 files, project.clj (defproject test-clojure-project "0.1.0-SNAPSHOT" :description "A simple Clojure web project" :dependencies [[org.clojure/clojure "1.10.0"] [ring "1.10.0"] [ring/ring-jetty-adapter "1.10.0"] [ring/ring-json "0.5.0"] [cheshire "5.10.0"] [org.postgresql/postgresql "42.3.1"] [org.clojure/java.jdbc "0.7.11"] ;;…