Hello, you din't mention Oracle version, but I mean you will need 12qc (=quantum computing). I.e. I don't beleave you can reach this behavior with 11g parallelism. Regards, Jaromir ----- Original Message ----- From: Abhishek Gurung To: Oracle Freelist Sent: Tuesday, May 18, 2010 11:20 AM Subject: Searching missing number in large data. Hi Problem: 1. There is a file containing numbers form 0 to 2^32 (2 raise to power 32). 2. About 1000 number missing in this range 3. An algo with complexity of log n to find the missing number. Regards Abhishek ------------------------------------------------------------------------------ The latest auto launches and test drives Drag n' drop