Recent posts in Databases

1

Found this note quite useful in clearing my doubts with NULL. Hope this may help you! http://www-cs-students.stanford.edu/~wlam/compsci/sqlnulls

posted Jan 28, 2019 in Databases Ashish Goyal 501 views

2

Indexing Noted

Here is a concise note on Indexing, B & B+ Tree http://www.cs.montana.edu/~halla/csci440/n18/n18.html

posted Jan 24, 2019 in Databases dan31 603 views

3

Databases- GO Classroom

For this course we will be using the LAB exercises given here which are from Silberschatz book. Solutions to Practice Exercises of Silberschatz book. Day Date Contents Slides Assignments 1 Oct 7 Introduction to Databases- topics to be covered 2 Oct ... partial participation minimal normalisation satisfied- 2NF because a table formed from an entity with composite key may have a partial dependency

posted Nov 7, 2018 in Databases Manoja Rajalakshmi A 507 views

4

Important Questions in Databases

Important Questions http://gateoverflow.in/questions/database-management?sort=featured More Questions Normalization Questions from ETH Zurich Questions on File Indexing

posted Dec 28, 2016 in Databases Arjun
edited Nov 10, 2018 by Arjun 3,210 views

5

Shortest way to find minimal cover

Split the fd's such that rhs contains single attribute. Find the redundant fd's and remove redundant ones. Find the redundant attributes on lhs and remove them.like AB->C ,A can be deleted if closure of B contains A

posted Jul 28, 2015 in Databases Rohan Ghosh 606 views

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