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Tech Mahindra Database Management Interview Questions
Questions Answers Views Company eMail

What are the partitions types available in Oracle10g. How it will do? Simple example?

1 6580

select Nth highest salary by using rownum

4 12551

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Un-Answered Questions

What is Edge finding?

228


what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

654


What happens if we use an Inverter instead of the Differential Sense Amplifier?

1163


4 down vote favorite share [g+] share [fb] share [tw] I am developing my site using server side sessions using redis as backend for saving the session. Now the issue which is bothering me is of user leaving the website without logging out. I mean user simply closes the browser which causes the cookie to be deleted. Now session of that user still exists on the server and will not be used again as new login requires creating a new session due to security reasons. To avoid the case where hacker steals the old cookie and use it after user login again with same old session id. In essence user leaves the website without explicitly logging out and his session will be deleted after certain time limit of inaccessibility. I am thinking time limit of 30-60 minutes. Also with every new request from user his cookie will also be updated to keep track of when the user last time accessed the site. But nowadays, people let site remain open for long time without accessing it. For example users open facebook and gmail in new tabs and forget about them for 2-3 hours and still they are not asked to login again. Is letting a 2-3 hours old cooke access the session secure? My concern is someone steals user cookie and use it 2-3 hours later. Thinking on this topic has also forced me to question how facebook manages security if user can use a session where they are not accessing it for long periods of time and still they remain logged in. Or is it not secure for me to keep logged in when am not accessing the site session for longer period of time? It can be the case also there is some pinging mechanism using which sites keep track of user having their site open in a browser and when browser closes they are notified and can work accordingly. My website is a social network and needs all those security and usage features which a social network may need. I am new to web security and web development in general and may be the case where my above questions may seem a little basic. If you feel that is the case kindly point to some good reference where I can read and find answers to my question.

869


Will the amount of G418 be affected by serum concentration?

631


what is the construction cost for per cft of multistorryed building in kolkata?

610


Explain the working of differential sense amplifier?

3431


Hi, I would like to know how is the integration if we want to use Oracle Essbase as the Cube Engine, and present the Cube by Business Objects Presentation Layer? Can Oracle Essbase be integrated with Business Objects? Thanks,

598


Test script is generated and it is enhanced.It is required to be saved.But the disk space is insufficient.You are not permitted to delete any scripts.How are you going to save?

552


Erection and Instalation charges of Rs 7500 to Lift was debited to repairs and maintenance account. Rectify it

701


i wrote vbscripit code in notepad i got error i am in learning stage if u ps tell me what wrong in my code my error is "object required descriptive at line one run time error"and my code is "set usernameobj=Descriptive.Create() usernameobj( "name").value="Username" set passwordobj=Descriptive.Create() passwordobj("name").value="password" set signinobj=Descriptive.Create() signinobj("name").value="sigin" browser("gmail").page("gmail").WebEdit("usernameobj").set ("enter username") Browser("gmail").Page("gmail").WebEdit("passwordobj").Set secure.Crypt.Encrypt("enter password") browser("gmail").page("gmail").WebButton("siginobj").click

560


How do you create tasks? What is the max number of tasks you created in your previous projects ?

577


What are the challenges you have faced in Payroll

1396


Why do you want to work for us?

610


WHAT IS TEST SCRIPT AND HOW DO YOU CREATE IT?

827




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