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Suppose,i have one table named competency_details which has one column named competency_value and column contains 200,345,455 and 100
What will be the output of below query?
Select Avg(competency_value) as 'Total Competency' from competency_details;
on 1/22/2014 | Category:
Sql Server Interview questions
| Views: 1896 |
Select from following answers:
Output would be 275.Because Avg function will calculate the Average of the column values and produce output.
So here it will calculate Average as (200+345+455+100)/4 = 275
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