What is a foreign key constraint why are such constraints important?

846

Explain the android versions history and there name?

1032

What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?

1096

Where is data validation in excel?

662

How do you set environment variables in perl?

1107

Case Study based questions - Cars are implanted with speed tracker so that the insurance companies can track about our driving state. Based on this new scheme what kind of business questions can be answered?

508

how we can create packages in java?

1017

what is a table called, if it has neither cluster nor non-cluster index? What is it used for? : Sql dba

1019

What does a sign mean in excel formula?

677

How to load data files into tables with 'mysqlimport'?

1038

What does html5 mean?

1031

Why do we use div tag in css?

744

What are the ways to store data localy on iphone device?

780

What is the implicit name of the parameter that gets passed into the class set method?

1048

What are grep patterns called?

1078