I have a reports table with the following structure : I want a SQL Query to get the report for the last 365 days by following conditions : Group dates if the same date is repeated. The days which the report is not available for the last 365 days, I need those days added to the result rows with 0
Tag: mysql
How can I query the results of a MySQL query and get a COUNT() of the results that fall within a certain range?
thanks for taking the time. I have the following query: Which gives me the results I want which are the distinct ‘bike_id'(as there are no duplicates), the count of all the rides each ‘bike_id’ made in 2017, and the quick average for the year for each ‘bike_id’. From here, id lik…
Selecting values from second column alongside the values from first column in the same row
I am trying to get values matching the value from the second column. For example, I want to know who is the sender for Bill Gates by only using IDs. I have two tables, I want to select based on “user_receiver” column the matching values in the column “user_sender” For example, I want t…
Is there an Azure SQL Database equivalent to MySQL’s “CHECKSUM TABLE”, and should it be used to check if two tables are identical?
I was looking for a way to check if two tables in the same database are identical (both contents and schema), and came over this question. The top answer for the question uses (from my understanding) a MySQL specific. When trying to run the code in an Azure SQL Database I get this error: Incorrect syntax near…
Sequelize – How to get reviews for post with likes count for each review
I have a function like this. It receives comments on the post. And it doesn’t work – it makes endless requests. If we remove this line, the function returns one comment with counted likes. And if you remove this block: … then the function will return an ARRAY of comments. Why does the like c…
MySQL #1140 – I want to display the minimum salary, it gives this error
I want to display the minimum salary, it gives this error I have to take out one person who gets the lowest salary not using group by MySql error: #1140 – In aggregated query without GROUP BY, expression #2 of SELECT list contains nonaggregated column ‘football_club.player.name_surname’; thi…
Daily User Retention for a month mySQL
I have log_event table and which has table as shown below: db<>fiddle I wanted Daily user retention(day-1) for Aug’18. Day-1 retention: Users who registered on day-0 and then opened app on day-1. For ex: In short users who registered on like 15th Aug 2018 and opened app on 16th Aug 2018 Answer You…
Node.js display all images of a user in ejs from database
I am new to Node.js and right now I am trying to display all my images of a logged in user from my database to my ejs file. I have set up all the code but i have a problem where I don’t know how to properly display all images. I have also tried async functions but i don’t seem
SQL – Group records together based on value
Currently I have a table with the following values: I would like a resulting SELECT to return the below: eg. The timestamp is grouped by a duplicate some_id Is this possible with SQL? Answer This appears to be just a simple aggregation,
Select and join with sequelize
How to make this code with the sequelize? I used include, but it brings all the user data but I only need the name my code: Answer If you just want to reduce User model attributes then just indicate needed attributes in the attributes option: If you want to add a user’s name as a string prop at the same