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sudoku

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Oracle RDBMS 11gR2 – Solving a Sudoku using Recursive Subquery Factoring

Anton Scheffer October 13, 2009 45

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 […]

  • IT
  • Oracle
  • PL/SQL

Solving a Sudoku with 1 SQL-statement: the Model-clause

Anton Scheffer June 5, 2007 16
Solving a Sudoku with 1 SQL-statement: the Model-clause

Solving a Suduku with one SQL-statement, is that possible? A lot of people won’t believe it, but yes, it can be done.

  • Oracle
  • PL/SQL

Solving a Sudoku with Collections

Anton Scheffer March 26, 2007 4
Solving a Sudoku with Collections

If you want to write a program to solve sudokus, you can use almost any programming language. And PL/SQL too!  

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