Tag: relational-database

In this post, we will see how to resolve How to add an empty migration in prisma? Question: I need to add an empty migration to write a SQL query and manipulate the data manually. There is no change in ...

In this post, we will see how to resolve In SQLite, select single most recent row for each foreign key Question: In SQLite, tables x and y are defined as follows: Table y provides a log of past ratings, but ...

In this post, we will see how to resolve How to save with default value using Spring JPA? Question: Recently I switched into Spring Data JPA and I am wondering how is it possible to save a new object into ...

In this post, we will see how to resolve Unable to get related data from ManyToManyField Question: I’m trying to fetch related objects from below two models. Following django models with ManyToManyField relationship. Book Author I have to fetch all ...

In this post, we will see how to resolve Getting more useful data from a lookup on a many-to-many relationship in Fauna Question: I have a users collection and an invitations collection. Users can invite multiple users. Records in the ...

Question: I have this beer dataset that I’ve been trying to clean as a personal project for quite some time, but I can’t seem to get past a couple of hiccups. I have this “list of uneven lists” I guess ...

Question: I’m in the early stages of designing an Electron application that needs to be able to dynamically generate/access/modify data in a relational structure, stored completely locally. I’m hoping to find a Node package/library that can handle this, without interfacing ...

Question: I need to store and load some data in a C++ application. This data is basically going to end up as a set of tables as per a relational database. I write the data to tables using something like ...

Question: I am new to Prisma. I have stuck on Prisma.brand.create method. Here is the model: This is generated schema in the MySQL: The goal is here to create a Brand, at the same time connect one or more categories ...

Question: For example, we have a system that lets user claim X amount of gifts base on the events they joined. event table: gift table: In the gift table we have some formulas: A*1 + B*2 – User joined event ...