SQL Puzzle | Average Time Puzzle

In this puzzle you have to find the average a column, this column contains time data. Please check out the sample input values and sample expected output below.

Sample Input

a
03:59:00.0000000
05:13:00.0000000

Expected Output

AvgTime
04:36:00.0000000

Script

Use below script to create table and insert sample data into it.

 ```-- SELECT a FROM ( SELECT CAST('03:59:00.0000' AS TIME) a UNION ALL SELECT CAST('05:13:00.0000' AS TIME) a )i -- ```

Rules/Restrictions

The solution should be should use “SELECT” statement or “CTE”.

Add your solution(s) in the comments section or send you solution(s) to pawankkmr@gmail.com

Solution – 1

 ``` -- SELECT cast(cast(avg(cast(CAST(a as datetime) as float)) as datetime) as time) AvgTime FROM ( SELECT CAST('03:59:00.0000' AS TIME) a UNION ALL SELECT CAST('05:13:00.0000' AS TIME) a )i -- ```

Output

```--

/*------------------------
SELECT cast(cast(avg(cast(CAST(a as datetime) as float)) as datetime) as time) AvgTime FROM
(
SELECT CAST('03:59:00.0000' AS TIME) a UNION ALL
SELECT CAST('05:13:00.0000' AS TIME) a
)i
------------------------*/
AvgTime
----------------
04:36:00.0000000

(1 row(s) affected)

--
```

Add a comment if you have any other solution in mind. I would love to learn it. We all need to learn.

Enjoy !!! Keep Learning

Pawan Khowal

Http://MSBISkills.com