Saturday, April 23, 2011

CrazyEngineers Forum - Computer Science & IT Engineering

CrazyEngineers Forum - Computer Science & IT Engineering

How to convert web documents to PDF with Google Docs Viewer

Posted: 22 Apr 2011 08:49 PM PDT



It's pretty simple. Open that web file into Google Docs Viewer and then hit Ctrl + P to print it as a PDF. :)

Primary key ,foreign key , Index(primary,secondary,clustering) !!!!!!

Posted: 22 Apr 2011 08:39 AM PDT

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I have following tables ,Please can any one suggest primary key and foreign key for the tables and suitable Index scheme to be used on attributes !!

Student(Studentno,studname,mode,)
Course(courseno,coursename,course decsp,....)
Module(Moduleno,modulename,moduledescp,....)
Courseregistration(courseno,studentno,year,status, ....)
moduleregistration(moduleno,studno,year,status)

Table :Moduleregistration table depends on status field "sitting" and "resit"
Table :Course registration "status" field has 3 values depending upon whether student is "attending" course,"suspended" studies,"completed" course

So please suggest suitable primary and foreign keys for each table and which Index and which attribute I should select to Index (also mention type of index)

Database Experts thanks for the earlier reply related to Index but this question is very tricky and different than previous question in which clustering index was preferred, please explain why we use specific index than others as in last question(still on forum to be answered further in detail) that I put in forum it was very hard to understand why we did not consider secondary index or primary in the answer (ie what are their limitations) .Thanks!!

think

Posted: 22 Apr 2011 06:20 AM PDT

how to create a knowlegde bank of a local area using social networks...eg lyk "best restaurant in the city"...google searches n public forums are nt dat reliable...any ideas??
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