How to properly index a database table where is 20 columns which can be use for filtering data?
I have a database table with dozens of columns, out of which 20 are used to filter data in the database table. The table has 2 million rows. A simplified structure of the table looks like this:
Processing 500M records crashes the server. How to batch it?
I have a database table holding 500k records. I need to load these records, do an API call, fetch data from this API endpoint, and save new data back to the database.
Rails 7 – rake tasks processing 500M records crashes the server. How to batch it?
I have a database table holding 500k records. I need to load these records, do an API call, fetch data from this API endpoint, and save new data back to the database.
Rails – how to “generate” statistics from hundreds of thousands of data in PostgreSQL database?
I have a model Item
with the corresponding database table items
where is currently about 240,000 records.