Microsoft Interview Question for Software Engineer / Developers






Comment hidden because of low score. Click to expand.
0
of 0 vote

Unique key columns may allow null values but the columns of a primary key do not allow null values.

- Venkat Sadineni March 07, 2008 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

To add more info:
Unique key columns cal allow null vlues because 2 nulls are never equal.

- Venkat Sadineni March 07, 2008 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Only one primary key column is allowed in a table
But any number of Unique Constraint column is allowed in a table

- Raj October 30, 2009 | Flag Reply


Add a Comment
Name:

Writing Code? Surround your code with {{{ and }}} to preserve whitespace.

Books

is a comprehensive book on getting a job at a top tech company, while focuses on dev interviews and does this for PMs.

Learn More

Videos

CareerCup's interview videos give you a real-life look at technical interviews. In these unscripted videos, watch how other candidates handle tough questions and how the interviewer thinks about their performance.

Learn More

Resume Review

Most engineers make critical mistakes on their resumes -- we can fix your resume with our custom resume review service. And, we use fellow engineers as our resume reviewers, so you can be sure that we "get" what you're saying.

Learn More

Mock Interviews

Our Mock Interviews will be conducted "in character" just like a real interview, and can focus on whatever topics you want. All our interviewers have worked for Microsoft, Google or Amazon, you know you'll get a true-to-life experience.

Learn More