Forum Replies Created

Viewing 15 posts - 211 through 225 (of 1,114 total)

  • RE: Add " + " to add column values dynamically

    I think there was some problem while posting the thread. I have received some error message like

    "contact board administrator". Thats why some threads are repeating more number of times in...

    karthik

  • RE: Add " + " to add column values dynamically

    any idea about my requirement #2.

    karthik

  • RE: Add " + " to add column values dynamically

    any idea about my requirement #2.

    karthik

  • RE: Finding longest period where dates are consecutive

    I followed Dave blog and wrote this query.

    #1)

    create table Contig(Id integer)

    go

    insert into contig values(1)

    insert into contig values(2)

    insert into contig values(3)

    insert into contig values(5)

    insert into contig values(6)

    insert into contig values(7)

    insert...

    karthik

  • RE: arithabort error when queying a view

    Please post the code.

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    Now I understood your point #2 and #3. But still #1 is not clear for me...

    {(n)*(n+1)/2} cost of the naive implementation to {n +(n)*(n-1)/(2*k)}

    Again, if you could explain your...

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    RBarryYoung (6/8/2009)


    karthikeyan (6/8/2009)


    4) What LHS (Left-hand side) function denotes exactly?

    Left-hand Functions appear left of the assignment operator ("="):

    Set @str = UPPER('Some text.')

    These are normal functions, and AFAIK, in T-SQL,...

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    Declare @str varchar(5)

    select @str = ''

    select @str = @str + no from mystring

    step 1: '' + '1'

    step 2: '1' + '2'

    step 3: '12' + '3'

    step 4: '123' + '4'

    step 5:...

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    Gail,

    i expected this question from you. Since i studied these concepts just to pass the exams, beacuse that time i don't know the real time usage and it will be...

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    RBarryYoung (6/8/2009)


    karthikeyan (6/8/2009)


    1) What is mean by pseudo cursor?

    Pusedocursor is a name that some people (including me) use for the SQL Server (and Sybase too, I believe) trick of being...

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    1) SQL Server apparently (based on my tests) already does the "buffer-extension" trick available to mutable strings. Unfortunately, the Extension trick does NOT solve the O(n^2) problem,

    If it...

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    RBarryYoung (6/8/2009)


    karthikeyan (6/8/2009)


    They used some concepts which i couldn't understand.

    1) O(n) means ?

    2) O(n^2) means ?

    3) O(n log n) means ?

    4) What is mean naive linear string concatenation?

    For (1-3),...

    karthik

  • RE: O(n) , O(n log n), O(n^2)

    Yes Gail...I have studied...But i don't remember the functionality...

    I have reviewed the above mentioed URL, Since there are lot of formula's are there,it is confusing...

    If you or anybody gave the...

    karthik

  • RE: Query to get the minimum id

    A small modification in the code

    SELECT TOP 1 id, Eff_Date, DATEDIFF( MINUTE, Eff_Date, GETDATE() ) AS DateDifference

    FROM [log]

    WHERE ecode = 200

    ORDER BY DateDifference desc

    will give the...

    karthik

  • RE: Query to get the minimum id

    No...

    Expected result:

    100,2,'02/jun/2009'

    200,3,'05/jun/2009'

    karthik

Viewing 15 posts - 211 through 225 (of 1,114 total)