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Find Correctly Answered Questions in an Online Test with Single and Multi Choice Questions
by Paratus in Databases

See the tables : http://dl.dropbox.com/u/10356431/Shared/screen.png


Please help me to construct a SQL to find the correctly answered questions in an online test for a particular test_id.


I have constructed one.


SELECT COUNT(UNIQUE d.question_id) AS CORRECT
FROM test_response d,
question_response r
WHERE d.response_id = r.question_res

Interview Questions: Most Common, Illegal, and Questions You Should Never Ask
by Topher Cyll in Business
Employers should know the kinds of questions to prepare for prospective employees. The most common questions are open-ended and give job applicants an opportunity to elaborate on their qualifications for the position. However, there are some questions that interviewers are better off not asking, and others that are downright illegal. Interviewers would be well-advised to find out the federal and s

How to Avoid Interrogatory Questions for Divorce Questions
by overst33r in Relationships & Family
An interrogatory in a divorce case is a list of questions submitted to one party that is designed to gather information. The person who receives the interrogatory is obligated to answer all of the questions in writing within 30 days. These answers are treated the same as if the testimony was given in court. These questionnaires can be very lengthy and sometimes difficult to answer. However, they a

Good Questions to Ask During the Game 20 Questions
by frogger9 in Hobbies, Games & Toys
20 Questions is one of the classic "I'm bored" games that parents keep in their repertoire. When kids are bored on a car trip or waiting in lines, this game can entertain them for an hour or more. One person thinks of an object, and the other person is allowed 20 questions to narrow down the object in question. A skillful questioner knows how to get closer to the object with each questio

Method for replacing old ranked questions with newly ranked questions
by Kaveh in Programming Languages
def replaceranked
oldrankings = Question.where(:rank => [1,2,3,4,5])
# Mocking the creation of a new top 5
newrankings = Question.where(:id => [4,5,6,7,8])
newrankings.each_with_index |a, i|
a.rank = i+
end
oldids = oldrankings.map{|a| a.id}
newids = newrankings.map{|a| a.id

Questions Not to Ask When Looking for a Job
by ghost recon88 in Business
The questions that you don't ask at a job interview are just as important as those that you do. Just as interviewers must avoid certain questions and tactics in order to stay within legal guidelines and build a successful rapport with the interviewee who may, after all, someday work with the company, you shouldn't ask questions that will disturb your interviewer or give him a poor impression of yo

Tax Law Questions
by swinaz in Business
It is inevitable for taxpayers to have questions about their income tax. Not all tax law is designed to last forever in its original state, and many laws are meant to assist taxpayers through a specific time frame with benefits ending in several or more years. Other tax laws are adjusted due to economic reasons. Deductions and benefits can change on a yearly basis, leaving the taxpayer unaware an
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How to Ask the IRS Questions
by boomerang in Personal Finance
Filing your federal taxes can be an extremely complex endeavor. Navigating and filling out the various forms, determining deductions and calculating credits can leave you confused and concerned that you have not completed your taxes properly. The Internal Revenue Service is the federal government's tax collector. The IRS not only processes your tax forms, but it also provides answers to many of yo
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IRS & Tax Questions
by ShifterMSK in Personal Finance
No one would ever say the federal tax code is easy to decipher. Those preparing their own taxes may have questions regarding eligible deductions, contributions and whether their hobby income could be considered business income. Some common questions a taxpayer might have about the Internal Revenue Service's rules are relatively straightforward and easy to answer. For complicated tax questions, con
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VA Tax Questions
by iamwiz82 in Personal Finance
The laws for state income tax returns vary from state to state and are different than the laws for federal tax returns. Just like the Internal Revenue Service (IRS), the Virginia Department of Taxation can make changes to procedures and limitations on an annual basis. New taxpayers (and even many who have filed many returns) often have questions about filing their Virginia income tax returns. W
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