proble in stored procedure

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Hello friends
I am with task to make a time table.In that I want to assign teacher for particular class. In class registration i have registered a classes based on fromyear(2012) and Toyear(2013) as a academic year.my doubt is suppose i want to select classes in the academic year(2012-2013)based on the current year in sql queries then from janaury to march would get next year class details.how to avoid rectify this problem.
My stored procedure for getting class below. its work fine for upto december then from january it gives the next year class detail.

SQL

alter procedure sp_addstandered
as
begin
declare @fromyear int,@toyear int
set @fromyear=convert(int,datepart(year,getdate()))
set @toyear=@fromyear+1
select Standered_name from Standered_details where Acadamic_year_id=(select Acadamic_year_id from Acadamic_year where Acadamic_year_from=@fromyear and Acadamic_year_to=@toyear)
end

Posted 21-Sep-12 0:10am

baskaran chellasamy

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IdeasPravinh · Answer 1 · 2012-09-21T00:21:00

Solution 1

instead of from year and to year use a function called DATEDIFF()

Posted 21-Sep-12 0:21am

IdeasPravinh

Comments

baskaran chellasamy 21-Sep-12 6:31am

but already i registered class with academic year. so i dont know how datediffer help me to give a last year details for(january to march of current year ) perod.

IdeasPravinh 21-Sep-12 6:36am

if i have understood it correctly then you have registered classes with years not with months ri8?

baskaran chellasamy 21-Sep-12 6:39am

yes. registered with year

baskaran chellasamy 21-Sep-12 6:41am

This is my store procdure but it is an error on case statement.and also if last year not registered then i would not return correct year. please see this stored procedure and let me know to make any changes .
alter procedure sp_addstandered
as
begin
declare @fromyear int,@toyear int
declare @month varchar(30)
set @fromyear=CONVERT(int,DATEPART(YEAR,GETDATE()))
set @toyear=@fromyear + 1
case set @month= convert(varchar(30),datepart(month,getdate())) when @month='January' or 'Febraruy' or 'March' then @fromyear=@fromyear-1 end

select Standered_name from Standered_details where Acadamic_year_id=(select Acadamic_year_id from Acadamic_year where Acadamic_year_from=@fromyear and Acadamic_year_to=@toyear)
end

IdeasPravinh 21-Sep-12 6:53am

Sory dude, but the entire SP needs a revamp

Kamalkant(kk) · Answer 2 · 2012-09-21T00:28:00

Solution 2

Use BETWEEN clause to add your date difference

Posted 21-Sep-12 0:28am

Kamalkant(kk)

Comments

baskaran chellasamy 21-Sep-12 6:47am

I just using year to registered a class. so how can differentiate this date differenece.
and modified stored procedure is below.it with error on case statement.and if last year not registered then it could not return any class.
<pre>alter procedure sp_addstandered
as
begin
declare @fromyear int,@toyear int
declare @month varchar(30)
set @fromyear=CONVERT(int,DATEPART(YEAR,GETDATE()))
set @toyear=@fromyear + 1
case set @month= convert(varchar(30),datepart(month,getdate())) when @month='January' or 'Febraruy' or 'March' then @fromyear=@fromyear-1 end

select Standered_name from Standered_details where Acadamic_year_id=(select Acadamic_year_id from Acadamic_year where Acadamic_year_from=@fromyear and Acadamic_year_to=@toyear)
end</pre>