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I’ve quite bulky data in a Database table and I want to sort the data based on their ID (Primary Key). The data in the key column could be:
001/2011,
002/2011,
001/2012
When I use ‘order by id‘ it sorts the rows like
001/2011,
001/2012,
002/2011
However, what I am looking for is
001/2011,
002/2011,
001/2012
The data type of the id column is varchar(50). Is there a special SQL function that I should use to sort such type of data?
This rearranges the varchar data so that the year comes first and the sequence/month/day-of-year comes after.
If you have some other format to your data, then think along the same lines. Shift the string around using SUBSTRING, of which LEFT and RIGHT are just 2 specific versions.