Tuesday, February 8, 2011

DS - General

Which stages use HASH partitioning?
Want to increase 15% of the sal for the dept 10?
A:: try wid UPDATE employee SET salary = (salary * 15)/100 + sal wehre deptno = 10;
In Unix ::
1) How can u goto home dir., if ur in current file ::::: $cd !, $cd . cd.. cd...
2) Display Hidden Files :::::: $ls -al
3) How can u identify hidden files :::::: the file with rwx permissions
4) pids ::: $ps -ef | more
5) kill   ::: kill pid
6) chmod Filename r + x

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