So I have a table where a column that was given an auto_increment value accidentally got started form 300 instead of 1,2,3,4......i'm a beginner and i do not know how to change it back to 1,2,3,4......screenshot of table how to…
You are given a table, BST, containing two columns: N and P, where N represents the value of a node in Binary Tree, and P is the parent of N. Question - Write a query to find the node type…
In my Rails app, I have this scope which returns the Articles that have received the most views by joining the Ahoy Events table and my Articles table which is working. # article.rb scope :trending, (lambda do |time| joins(" INNER…
I have a WordPress multisite database, which has a lot of orphan tables I need to get rid of. The names are structured like this. The number in the table name is the site ID. wp_9892_wc_booking_relationships wp_10001_wc_booking_relationships wp_18992_wc_deposits_payment_plans wp_20003_followup_coupons wp_245633_followup_coupon_logs…
I would like to add a relative percentage to an SQL output Here is the code: SELECT customer_status.status AS "Status of Customer", COUNT (customer_bio), FROM customer_status JOIN customer_bio ON customer_status.status_id=customer_bio.status_id GROUP BY status Here is the output Status Number Switched…
I have a table like this: Table "*wallet" amount balance timestamp 1000 1000 2023-01-25 21:41:39 -1000 0 2023-01-25 21:41:40 200000 200000 2023-01-25 22:30:10 10000 210000 2023-01-26 08:12:05 5000 215000 2023-01-26 09:10:12 And here is the expected result: (one row per…
I would like to enforce a rule such that when people are creating table without primary key, it throws an error. Is it possible to be done from within pgdb?
I have a database like this employees I try to query the latest job and salary for every employees based on latest s_from_date and t_from_date and concat it to one column "Current Employees" I try to filter it with max(s_from_date)…
in query here i have https://www.db-fiddle.com/f/32Kc3QisUEwmSM8EmULpgd/1 SELECT p.prank, d.dare FROM dares d INNER JOIN pranks p ON p.id = d.prank_id WHERE d.condo_id = 1; i have one condo with id 1 and it have unique connection to dares that has…
I'm trying to understand the logic behind the syntax below. Based on the following question, table and syntax: Write a query that'll identify returning active users. A returning active user is a user that has made a second purchase within…