In a REDCap (EAV table) project each record is a testing site. Project is divided into two instruments. Instrument 1 will have information on the tes ...
In a REDCap (EAV table) project each record is a testing site. Project is divided into two instruments. Instrument 1 will have information on the tes ...
The transaction (entity) records have customized attributes in EAV format, so we are implementing a design pattern that assembles EAV data with the en ...
We have a hand-written SQL query for proof of concept and hope to implement the function with the Django framework. Specifically, Django's QuerySet u ...
In my wordpress website I have multiple custom fields under post type 'home_decor', using the below query returns two field 'post id' and 'hd_product_ ...
Hello MySQL specialists, I am working on a wordpress website referencing used vehicles. I have a table called "wp_686591_postmeta" in which I have v ...
I have a vehicle table with many rows. Every vehicle is stored with a name, and then additional characterizing attributes. Let's say The user can s ...
If I have a MySQL table looking something like this: How to write a mysql query to get output like this: The idea is that we want to get total e ...
I've been reading all of the transpose rows to columns links on the whole of Stack, but I can't quite get the code in those to work with my situation. ...
We have two tables one is properties and another one is property meta when we are getting data from one table "properties" , query only take less ...
Problem description I have the following table (SampleTable) which contains dynamic columns and want to sort, search and paginate dynamic columns. N ...
I have a table with 2 varchar columns (name and value) and I have such a query: This query works but I suppose there are could be an issue with exe ...
I am working with a heavy query that sometimes takes more than 10 minutes to complete. I would like to know if there is any optimization for this quer ...
this is my code how to optimize the query. ...
How do I group my Timestream data? The table looks simplified like this: I want to query where point_delivery_number == xx and time = xx Result s ...
I am running the following query and it's taking more than 12 sec on my local system. If I only run the sub Query it only takes 0.0027 sec When ...
After a lot of research and head picking, I'm still unable to find a good/clean solution to convert an entity-attribute-value-timestamp table to an sc ...
I am finding my mysql query very slow, at 1 second according to my testing just from this query alone. I have tried adding indexes. But this doesnt se ...
I have the following structure of my database, implementing a simple EAV model (see pic): My product has a type, which through the junction table r ...
I am trying to query two meta keys at once using my code: But is not showing any results. Is my query correct? ...
Hi have a table of users where we store some top level fields like userid, createdOn, email And a second table called properties that stores a key va ...