Difference between two SQL query

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hi guys....

different between for this two query

select left(GETDATE(), 50)
select CONVERT(varchar,GETDATE(),100)

the result is same for this both query but what is the major difference for this two query

Posted 21-Sep-16 1:00am

Member 11432166

Updated 21-Sep-16 1:08am

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OriginalGriff · Accepted Answer · 2016-09-21T01:08:00

Effectively, nothing.
The LEFT(GETDATE(), 50) version uses the default conversion format, which is exactly what CONVERT format 100 does.
In fact, you can omit the 100 completely:

SQL

SELECT CONVERT(VARCHAR, GETDATE())

Will also produce the same result.
The CONVERT version is clearer to read however.