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 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 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 …

python list in tuple compare

I have a list and a tuple ( from sqlite query) and what to check if the items in list are not in the db tuple. If not add to newJobs list links = [“example.com”, “mysite.com”] …

SQLite: Order by number of NULL values

In SQLite, is there any way of ordering by the number of NULL values in each row, without having stored this number explicitly in a separate column? Something like SELECT rowid FROM (SELECT rowid, …

How to add date rows for messages query?

I got a Messages table. id | sender_id | message | date 1 | 1 | Cya | 10/10/2020 2 | 2 | Bye | 10/10/2020 3 | 1 | Heya | 10/11/2020 I want to insert date rows …

SQLite Delete row from Table A when columns are referenced as FOREIGN KEYS in other Tables B, C, etc

So I have several tables, but will show only 2 as an example: Table G gNo | gName | gAddress G1 | Jean | Bonalbo G2 | Oscar | Berlin G3 | Edd | Brisbane G4 | Bob | California Table B gNo | …

SQLite: How to retrieve data from column in one table using SELECT to insert retrieved data in another table

I am attempting to use SQLite to retrieve data from the main table (mutants.info) and insert data from that table into a secondary table (mutants.teams). The main table has multiple columns, but I am …

SQLite – How to use VARIABLE for TABLE NAME + VARIABLE FOR INSERT VALUES

im new in programing, starting with python I found this script in a post (link below) query = ‘SELECT * FROM {}’.format(table) c.execute(query) How to use variable for SQLite table name it worked, …