this is more of a general discussion rather than a code question. I have a website monitoring platform whereby users of the system can input their we ...

I am creating the backend of a microservice that will serve as a tool to see in real time how the company's employees are distributed by projects and ...

I have a question about a one-to-many relationship on the same table. So I have this two tables: And this is some example data from the table publ ...

I am working on a table in BigQuery. The table is already populated with data. I want to know if the BigQuery holds any kind of row level information ...

I am trying to create a database application for daily task. I am converting a paper form I use. Each row is a task and each column is a date. Every ...

I have three tables: cat1: cat2: cat3 cat1 has one-to-many cat2, and cat2 has one-to-many cat3. How do I normalize the three tables into on ...

What's the best database for aggregating large (both in count and size) volumes of complex JSON data in real time? for reference, a single JSON object ...

The arrows represent the many to one relationships. From my understanding of the diagram: Suppliers can only relate to one relationship of car and ...

I have a table in BigQuery with 100 columns. Now I want to append more rows to it via Transfer but the new CSV has only 99 columns. How should I proce ...

as the title, what database support configurations to make some fields/column cannot be updated and forbid record deletion? concretely, is there any ...

SAP HANA: I created a view from a single table. After creating the view i want to modify the column of a view from VARCHAR[10] to INTEGER[10]. I perf ...

Can there be two one-to-one relationships between the same tables? And is it actually a "right" way to represent this? The task for such entities in ...

This question was migrated from Stack Overflow because it can be answered on S ...

I have decided to have an interaction collection to hold the interactions between members of my App. Who blocked who, who liked who, who followed who, ...

How to create a table in SQL with the following attributes? The table has two columns A and B. The primary key of the table is (A, B). All val ...

I have a database of the growth rates of children. Every child is examined more than once (3-5 times), and weight and height measurements are taken. T ...

I have three entities: Product, Product-Sale-Orders (i.e. orders), Modifiers (Orange background color in ERD) As Product and Modifiers have many to ...

I'm trying to keep track of hits from IP addresses. Typically, in a SQL database, you could do something along the lines of: DynamoDB provides fun ...

I'm working on setting up a SQL database for tracking workouts, and I'm unsure how to handle deletions. Here are a few relevant tables from my schema: ...

I'm getting error after trying to create a table for my data base This is my script I'm getting Why is the error generated, and how can I avoid ...