I am trying to go deeper with Sequelize and especially using migration. But, I can't imagine that the documentation requires that we use a json file to put database info. So, my question is, "how can this be possible when…
I've been stuck on this SQL query for a day now, so I'm throwing it up here and would appreciate any advice others can give. This is the problem: I want to generate a set of pairs of tags (named…
I have a table which somewhat looks like this Table A: Voter_id Id ---------------------- null | DEPT 1f7h null | DEPT 3k9n null | DEPT 2lp0 null | DEPT 2f6k (250,000 rows like this) This table Table A has close…
I am trying to embed a Delete operation in SELECT in postgres. Tried the following command but its not working.. :( select * from tasks where title ilike '% Delete from tasks where title ilike `%Re%` returning ( Select title…
I want to sort Nulls and Empty stings at the last in sequelize order by. Here is the query I am able to run: data = await Provider.findAll({ where: { search }, order: [ ['lastName', 'ASC NULLS LAST'] ] });…
I'm working with the expression builder of Palantir Contour. The following table is given, and I need to fill the gaps in the counter column. Problem: The rows before the first value shall be filled with first counter -1 Date…
I have several tables in my PostgreSQL database's Public Schema. The tables are named "projects_2019", "projects_2020", "projects_2021", etc. and have the same columns. The idea is that a new table will be added every year. I would like to select…
I am relatively new to dev in general, to the Docker universe and to Rails in particular, apologize in advance if it sounds like a silly question. I am trying to run an application in a monorepo composed of 4…
transaction id data type's possible values= 2^32= ~ 4 billion, then why does postgres declares a transaction wraparound and shuts down database at 2~31 2 billion transactions.
I'm using AWS RDS Aurora Postgres 12.9. I have a database in an "initial state" with some data on it, I want to insert/update many data on it, and then easily restore it to the "initial state" whenever I want.…