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Posted 4 Apr 2013
Licenced CPOL

SQL Server: SQL script to find upcoming birthdays

, 4 Apr 2013
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The script helps to find out upcoming birthdays even when days cross a year.


We can find upcoming birthdays by simply using between clause in normal days, but problem occurs when you reach the end of year. Given script will definitely help to solve this issue. 

Using the code

Create Temporary Calendar to store upcoming dates and join with Master Table on day and month.

The following script is quite lengthy, but works in all scenarios. We can use between clause to find out upcoming days, but query fails when current date reach to 29th Dec and we want to find birthday's coming in next 3 days. Given query will definitely show the birthday coming on 1st Jan in this scenario. 

--    Create Temporary Employee Master Table
    declare @TempEmp table (EmpName varchar(50), DOB datetime)
    insert into @TempEmp 
    select 'Sahana','1990-11-06' union
    select 'Princy','1989-08-25' union
    select 'Sameer','1984-07-06' union
    select 'Yogesh','1987-01-01' union
    select 'Sapna','1991-12-31'

--    Create Temporary Calendar Table To Store Upcoming Days
    declare @TempCal table (dates datetime)
    declare @CurrDate datetime
    declare @InNextDays int
    declare @BaseDate datetime

    set @CurrDate= getdate()    --convert(datetime,'29-dec-2013',103)    --
    set @InNextDays=3

--    Insert Upcoming Days In @TempCal
    declare @cnt int
    set @cnt=1
    while @cnt<=@InNextDays
    insert into @TempCal
    select dateadd(day, @cnt, @CurrDate)
    set @cnt=(@cnt+1)

--    Join On Day and Month
    select a.EmpName, a.DOB
    from @TempEmp a
    inner join @TempCal b on datepart(day, a.DOB)=datepart(day, b.Dates) and 
                datepart(month, a.DOB)=datepart(month, b.Dates)
    order by b.dates


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

GeneralMy vote of 1 Pin
Hugo de Vreugd4-Apr-13 20:21
memberHugo de Vreugd4-Apr-13 20:21 
GeneralRe: My vote of 1 Pin
prashant0556.s.more4-Apr-13 23:31
memberprashant0556.s.more4-Apr-13 23:31 
GeneralRe: My vote of 1 Pin
Hugo de Vreugd5-Apr-13 1:21
memberHugo de Vreugd5-Apr-13 1:21 

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