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Software ==>	SQL (129 exercises)
Topic ==>	Calculations using dates (4 exercises)
Level ==>	Harder than average
Subject ==>	SQL training

Display full dates, including the correct suffix (1st, 2nd, 3rd, etc)

This exercise is provided to allow potential course delegates to choose the correct Wise Owl Microsoft training course, and may not be reproduced in whole or in part in any format without the prior written consent of Wise Owl.

Before you can do this exercise, you'll need to download and unzip this file. Once you've done this:

Go into SQL Server Management Studio;
Open the SQL file you've just unzipped (you can press CTRL + O to do this); then
Execute this script.

This will generate the database that you'll need to use in order to do this exercise (note that the database and script are only to be used for exercises published on this website, and may not be reused or distributed in any form without the prior written permission of Wise Owl).

Create a query to show the full dates for any event:

The first few events, in chronological order.

To get the suffix, you'll need to use a CASE statement based on the day number for any date.

Save this query as Query suffices (marvelling at the wordplay involved in the title), then close it down.

You can unzip this file to see the answers to this exercise, although please remember this is for your personal use only.

You can find other training resources for the subject of this exercise here:

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From:	Yash2211
When:	24 Sep 23 at 12:15

Reply to Yash2211

select EventName, concat(week_name,' ',date_name,' ',month_name,' ',year_no) as 'Full date' from

(select eventname,eventdate,datename(weekday,eventdate) as week_name,datename(year,eventdate) as year_no,datename(month,eventdate)as month_name
,datename(day,eventdate)as date_no,
case
   when datename(day,eventdate) = 1 then '1st'
   when datename(day,eventdate) =2 then '2nd'
   when datename(day,eventdate) = 3 then '3rd'
   when datename(day,eventdate) not in (1,2,3) then CONCAT(cast(datename(day,eventdate) as varchar(10)),'th')
   end as date_name
from tblevent

) as t
order by eventdate

From:	Chinmaykumar
When:	04 Jul 23 at 13:31

Reply to Chinmaykumar

Query_Sol. for MySQL users

SELECT EventName,
CONCAT(DAYNAME(EventDate),' ',DAY(EventDate),
CASE   WHEN DAY(EventDate) IN (1,21,31) THEN 'st'
       WHEN DAY(EventDate) IN (2,22) THEN 'nd'
       WHEN DAY(EventDate) IN (3,23) THEN 'rd'
       ELSE 'th'
END,' ',MONTHNAME(EventDate),' ',YEAR(EventDate)) AS 'FULL date'
FROM tblevent
ORDER BY EventDate ASC;

From:	waltz
When:	09 May 21 at 10:55

Reply to waltz

select EventName as [Event Name]
  ,concat(datename(weekday,EventDate),' '
       ,case when datepart(day,EventDate) in (1,21,31)
       then convert(varchar,datepart(day,EventDate))+'st'
       when datepart(day,EventDate) in (2,22)
       then convert(varchar,datepart(day,EventDate))+'nd'
       when datepart(day,EventDate) in (3,23)
       then convert(varchar,datepart(day,EventDate))+'rd'
       else convert(varchar,datepart(day,EventDate)) +'th'
       end ,' '
       ,datename(month, EventDate) ,' '
       ,year(EventDate)) as [Full Date]
from [dbo].[tblEvent]

From:	ShukiMolk
When:	10 Apr 20 at 02:12

Reply to ShukiMolk

Why do we need to use the CASE function?
What's wrong with this:

SELECT EventName, EventDate, ( (DATENAME(Weekday, EventDate)) + ' ' + (DATENAME(day, EventDate)) + 'th ' + (DATENAME(month, EventDate)) + ' ' + (DATENAME(year, EventDate)) ) AS 'Full Date'
FROM [tblEvent]
ORDER BY EventDate

From:	waltz
When:	09 May 21 at 11:04

Reply to waltz

Please check your "1st", "2nd", "3rd", "4th" etc.

From:	DbEnthusiast
When:	18 Dec 20 at 18:47

Reply to DbEnthusiast

SELECT EventName
   ,EventDate
   ,CASE WHEN DATEPART(day,EventDate) IN (1,21,31) THEN CONCAT(DATENAME(weekday,EventDate),' ',DATEPART(day,EventDate),'st ',DATENAME(month,EventDate),' ',DATEPART(year,EventDate))
       WHEN DATEPART(day,EventDate) IN (2,22) THEN CONCAT(DATENAME(weekday,EventDate),' ',DATEPART(day,EventDate),'nd ',DATENAME(month,EventDate),' ',DATEPART(year,EventDate))
       WHEN DATEPART(day,EventDate) IN (3,23) THEN CONCAT(DATENAME(weekday,EventDate),' ',DATEPART(day,EventDate),'rd ',DATENAME(month,EventDate),' ',DATEPART(year,EventDate))
       ELSE CONCAT(DATENAME(weekday,EventDate),' ',DATEPART(day,EventDate),'th ',DATENAME(month,EventDate),' ',DATEPART(year,EventDate))
   END as FullDate
FROM tblEvent

From:	Andy B
When:	10 Apr 20 at 12:07

Reply to Andy B

That answer will work for most dates, but won't for 1st, 2nd, 3rd, 21st, 22nd and 23rd.

From:	ShukiMolk
When:	13 Apr 20 at 13:01

Reply to ShukiMolk

True that.
Tnx

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SQL EXERCISES

Display full dates, including the correct suffix (1st, 2nd, 3rd, etc)

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