Oracle Database 11g Release 2 introduces a new feature called Recursive Subquery Factoring. My collegue Lucas sees it as a substitute for Connect By based hierarchical querying, Oracle RDBMS 11gR2 – new style hierarchical querying using Recursive Subquery Factoring. When I first was thinking about a pratical use for this […]
Solving a Suduku with one SQL-statement, is that possible? A lot of people won’t believe it, but yes, it can be done.
If you want to write a program to solve sudokus, you can use almost any programming language. And PL/SQL too!