There are mainly three problems that database SQL optimizer cannot find the best way to process your SQL statements.
Cost estimation error
The cost estimation error is not only caused outdated stat...
Poor query design and coding practices are the top Oracle database performance killers. Even with good database architecture design and no other SQL performance inhibitors, poor PLSQL code and SQL que...
This is my last blog post of my introduction series for Oracle Big Data Cloud Service – Compute Edition. In this blog post, I’ll mention “Apache Pig”. It’s a tool/platform created by “Yahoo!” to analy...
