I have the table with 10TB of data. I want to perform the COUNT(1)/COUNT(*) to check the EXACT COUNT between main table and archive table. I tried following SQL's but didn't get optimal solution, queries keep running for more than…
I'm working RWFD emergency room dataset, which includes patient's race and what department they were referred to. I'm trying to show which department each race (7 total) is most commonly referred to, with the stipulation that department_referral is not 'None'.…
I am currently programing an app as a project. While doing so I just got into Javascript yesterday and I am having an issue to stop my count. What is my program doing: You can see an image, which you…
I am Working on project, where I am using two queries to get the result i wanted to process. Query 1 SELECT MID FROM PMS.MACHINE WHERE STATUS=1 AND MID !=0; Query 2 SELECT MID,COUNT(STATUS) AS QUEUE FROM PMS.QUEUE WHERE STATUS=0…
I tried to solve a problem code in Hackerrank. An OCCUPATIONS table that contains the following records: and here are for the sampel output: Ashely(P) Christeen(P) Jane(A) Jenny(D) Julia(A) Ketty(P) Maria(A) Meera(S) Priya(S) Samantha(D) There are a total of 2…
I have table in MySQL and I am trying to filter the data from ColA and count the instances of a result in ColB while still getting all matching rows TABLE Name: CityCityStuff ColA ColB ColC CityA CityB Other Stuff…
My question is that how many times will COUNT(*) be called for each group? Three times or just one time? If the answer is three times, how can i optimize it. SELECT COUNT(*) AS num1, COUNT(*) / 10 AS num2,…
I'm encountering an issue with the SQL COUNT function that I need assistance with. Here's the scenario: In my database, I have two records with values '-try' and '-try2.' However, when I use the COUNT function in my SQL query,…
i am new to Laravel and i am working on a blog/post project with likes and comments. Now i would like to display/count all likes from all post that was made by a user. So for example: user 1 made…
I have these tables: CREATE TABLE poster ( poster_id SERIAL NOT NULL PRIMARY KEY, country VARCHAR ( 50 ) NOT NULL ); CREATE TABLE batch ( batch_id SERIAL NOT NULL PRIMARY KEY, price VARCHAR ( 50 ) NOT NULL );…