Question : This query is very slow: EXPLAIN (ANALYZE, buffers) SELECT * FROM “Follows” AS “Follow” INNER JOIN “Users” AS […]
Category: Database Optimization
How to load entire database into memory?
Question : I want to load my entire database into memory, but how can I do this? I have about […]
how to add option(recompile) within this stored procedure?
Question : In my current environment, I have many instances of stored procedures, just like the one shown below, where […]
Are there side effects to Postgres 12’s NOT MATERIALIZED directive?
Question : I was doing some performance benchmarking on some of my company’s SQL, comparing PG10 to PG12. We use […]
Does SQL server optimize or pre-parse stored procedures?
Question : Despite what DBAs will tell you (“use stored procedures because the server will optimize them thus they are […]
Are there any fully declarative implementations of SQL
Question : I was recently bitten by a bug ( in my code ) where these two queries had drastically […]
DB Design Payments Table
Question : I’m working on a Desktop application that uses a DB to store information i.e (customers, houses, proprietors, payments). […]
Index conditional aggregate query on PostgreSQL
Question : How does one optimize a conditional aggregate query on PostgreSQL? A example of such query would be: SELECT […]
Is there a way I can shorten the below query into a single query?
Question : I have the below query. IS there a way I can put this into one single query? If […]
How can i update my database from another database using temporary tables?
Question : I want to update tables of my database using another big database every day with using temporary tables […]