"Premature optimization is the root of all evil" - Donald Knuth
"Premature optimization is the root of all evil" - Donald Knuth
Use the tool most appropriate for the job. For data integrity, this is often the database. For advanced business rules, this is a rule-based system like JBoss Drools. For data visualisation, this would be a reporting framework. etc.
If you have any performance issues, you should then afterwards look whether any data can be cached, or whether an implementation in the database would be quicker. In general, the cost of buying extra servers or extra cloud power will be far lower than the added maintenance cost and the impact of extra bugs.
