I'm computing some percentile sales data grouped by product / US state, and the query is extremely slow for a large list of locations (see "dma" in [long list of locations]). The table is around ~15 million rows. SELECT 'us_state'…
Let say I have dynamic array const branddata = ["adidas", "nike", "puma"] //this data can be sometime empty too like // const branddata = [] //now I want to search all the product with brands like const product = productmodel.find({brand:branddata})…
It seems that most databases that support GIS encode the object as a string within a function, such as: SELECT ST_GeomFromText('LINESTRING(110 40, 2 3, -10 80, -7 9)') The one exception I've seen to this is from Postgres directly (and…
Recently I've migrated primary keys from integer to bigint and found an article where the author manually updates the table statistics after updating PK data type: -- reanalyze the table in 3 steps SET default_statistics_target TO 1; ANALYZE [table]; SET…
I exported a postgres table as CSV: "id","notify_me","score","active","is_moderator","is_owner","is_creator","show_marks","course_id","user_id" 8,False,36,"A",False,True,True,True,2,8 29,False,0,"A",False,False,False,True,2,36 30,False,25,"A",False,False,False,True,2,37 33,False,2,"A",False,False,False,False,2,40 Then I tried to import it using pgadmin: But I ended up getting following error: I checked the values of Score column, but it doesnt contain value "A":…
How to retrieve data from API and store it in a mobile database? Java is preferred. I just started into this, and consider me a beginner.
just wanted to understand a scenario where if primary shard cluster down. so i have a setup of Mongo database where i have 4 shards running in replicaset. shard-1 == Server 1 (Primary), shard-1 Server 2 (Secondary), shard-1 - Server…
I am attempting to increment the quantity of a line item in a cart object. Each Line Item has its own ObjectId as the same item can be added, but will have different attributes needed to process the order. Meaning…
I'm trying to do a database migration using GCP Database Migration Service My source database is of Postgres type (hosted on Heroku), but the name of the database is not postgres but rather something like d12bdsdjs ... My question is…
I'm very much begginer to ASP.net and Just followed a tutorial and created a small web app.I understood the basics up to creating a Model in Visual Studio Mac Edition (2022) , However , when I tried to use entity…