June 26, 2012 at 5:49 am
Hii
i'm new to sql sever. i have few queries
1. what is composite key in a database
2. what is a candidate key
3. what is difference between varchar and nvarchar (the only thing i know about is nvarchar accepts ascii codes and used for multiple language project)
4. various type of joins
Please tell this with an example if possible
Thank you in advance
June 26, 2012 at 6:22 am
rahuldhawan2007 (6/26/2012)
Hiii'm new to sql sever. i have few queries
1. what is composite key in a database
2. what is a candidate key
3. what is difference between varchar and nvarchar (the only thing i know about is nvarchar accepts ascii codes and used for multiple language project)
4. various type of joins
Please tell this with an example if possible
Thank you in advance
This really sounds like you're fishing for answers for an interview.
Sorry if I'm wrong, but all this is readily available information in a google search. Question back at you, what do you not understand about a composite key?
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June 26, 2012 at 6:35 am
rahuldhawan2007 (6/26/2012)
Hiii'm new to sql sever. i have few queries
1. what is composite key in a database
2. what is a candidate key
3. what is difference between varchar and nvarchar (the only thing i know about is nvarchar accepts ascii codes and used for multiple language project)
4. various type of joins
Please tell this with an example if possible
Thank you in advance
Hi Rahul,
Just type the keyword in Google and you will get everything.;-)
Please post any doubt while going through the articles.
--rhythmk
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