Can you please enlist the difference between the different languages used in website development like ASP.Net, MCV Frameworks and PHP MVC Frameworks.

I would like to know whether frequently used result object in queries are automatically stored for extended time or will it be necessary to use strong reference for such objects before the GC.

I need to execute two queries, one after the other. If, almost all results of both the queries overlap and if the result of first query is stored in the memory, will it reduce the execution time of the second query?

Can you please state the number of memory operations performed, when a memory load operation is executed in a user program me?

In SQL, what is the difference between Group by and Order by statements? Also, I would like to know which statement to choose in a scenario where you need to count something? Can you please define the sub-query method used in Group by statement? ?

I would like to know about the advantages and disadvantages of primary key, foreign key and unique key. Is it possible to use two null values in unique key?
 

Can you please suggest a normalization pattern that can be implemented in a scenario where data have the same invoice number but different information like cost, supplier etc.?

Hi,

I’m just new on this networking set-up. I hope i could get some idea here. I’m planning to set up small network at home. I have two PC, that i want to network. I want them in a 1 workgroup. I configure it in properties -> sharing. How come...

Hi,

I have a bad experienced on FACEBOOK. One day accidentally i forgot to log out my account and after in just an hour all of my friends received this message “Hello” when my friends made a response it message like this “Wanna laugh?”

Then next message is “ I saw...

This is my question regarding on how to connect PC remotely, I am in the US and my client is in abroad with a different provider. Does he gave me permission to connect to her PC or not? What kind of information would I need?