Question : Despite what DBAs will tell you (“use stored procedures because the server will optimize them thus they are […]
Category: Database Optimization
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 […]
Is there any way to trace the optimizer’s work in Oracle?
Question : Just like the MEMO structure in SQL Server which is kind of a “paper trail” of steps the […]
Normalization of DB
Question : I have designed a database using MySQL likewise My question is what else i can do to normalize […]
Optimze performance for LIMIT / OFFEST on collected result of multiple queries
Question : I have large tables in Postgres 10.4 (many millions rows) and three piped SELECT queries. The percentage of […]
Add new columns on existing or auxiliary table?
Question : I have a database with the following table: stores – ID – name – phone number – email […]