I have three tables in a MySQL database, and after joining two of them together, the COUNT() function in my query no longer works properly, and returns inflated numbers instead. Please excuse my messy code as it is my first…
I'm trying to join two tables in a very peculiar way and I can't find the right query to achieve this. I want to keep ALL dt1 rows intact and join the first row for each FUND_ID with the respective…
I have a table of requests from which I want to select everything, and I have a related table of positionReports where I want to select only the most recent report. The below SQL does what I want as long…
I have a SQL table and have made it a dataframe with Python. Then I calculated new values for a new column. As you know, it's easy to add new columns with values to a dataframe as long as the…
I have 2 tables that I join using LEFT JOIN, i.e. I take Name from table A and match it to Name from table B. There are some records that do not match and return null values due to it…
please help me delete from the 'Component' table all records that have the same 'country' and they belong to the same 'Page', leave only one record with the country that has the newest createdAt? Relationship between tables: Page -> PageComponent.pageId…
I'm receiving from an external API a list with 3.000 values (car part codes). Now I'm trying to get from my database all entries that contains one of these codes. $q = Product::query(); $q->where('codigo', ''); foreach($keys as $v){ $q->orWhere('codfabrica', $v);…
team1id and team2id should link with teamId from another table and populate the query as teamName. The intended query result should look like select * from matches but populated by teamName in the result. Having a hard time getting my…
I have a device_events table in which I get signals from various devices. These events could be online offline events for a device. Basically I want all the offline and online events for a device to be paired. We can…
I have converted a image to base64 that are in my react.js application register form. It covert this image and send it to Node.js server with MySQL database. In here axios post request is not is unsuccessful because converted url…