How to retrieve the properties stored in SQL with multiple inheritance

I’m storing the records in SQL that represent a multiple inheritance relationship similar to the one in C++. Like that: CREATE TABLE Classes ( id INTEGER PRIMARY KEY, name TEXT NOT NULL ); …

Remove Null from For loop of ArrayList

I am currently converting an ArrayList to a String to send it to a DB so I can retrieve it on the other end and convert it back to an ArrayList later. My thought process is to convert it to a string …

How to merge in SQL when the key variable is repeated in one of the tables?

I have a dataset with two tables. In the first, I have information about workers and in the second about companies. Each worker has an ‘id’ of the firm to which he belongs. I would like to create a …

How to join two tables and add a limit

Given two tables in a SQLite database, app_vendor app_id | vendor_id ————— 43 | 747 3 | 12 83 | 747 …. app id | name ————— 43 | Instagram 5 | Snapchat and I …

How to check if all instances of a DB row are the same and if so count + 1 in SQL?

I have the following SQLite DB table: app | vendor | active ——————— 123 | AGX | 1 123 | OTMA | 0 123 | PEI | 0 255 | IYU | 0 255 | MAG | 0 255 | MEI | 0 675 | IUU | …

How do I update my stock database to reduce itself once a customer orders

Time to ask from the almighty stack overflow questions again. So my problem is that I am developing in TKINTER and have implemented and integrated 2 tables in one database on the application. I would …

How to combine multiple sqlite queries into one line

Sorry if this question is dumb. i am a beginner and for the past hour i’v been searching the internet for answer and i haven’t found one(maybe because i am bad at searching). Anyway, i am writing a …

How to write the sql in SQLite with this?

WITH cteCountDownlines AS ( –=== Count each occurrence of EmployeeID in the sort path SELECT EmployeeID = CAST(SUBSTRING(h.SortPath,t.N,4) AS INT), NodeCount = COUNT(*) –Includes current …

SQLite – order by numbers inside string

its my first post here, so bear with me. I’m trying to order a query by numbers in a specific row that contain letters, using SQLite. Example: “Winter 1993”. I want to be able to sort by the …

How to proprerly bind text to a SQLite prepared statement with sqlite_bind_text

If the following SQL using the sqlite3_prepare_v2 is run, it generates the expected results. select id, path, name from media where id in ( select media_id from media_tags where tag_id in (…