user961743 user961743 - 1 year ago 66
SQL Question

How To Determine If Number is Sequential In Oracle SQL

This is a second part to a previous question I'm asking. I have a table of license numbers and am trying to determine if they are legitimate. One of the tests that I'm trying to run is if the numbers are sequential/counting pattern. What would be really helpful is if I can get a count of sequential characters, but I feel that is more difficult. For example:

123456789 TRUE 9
123455678 FALSE 5
456789012 TRUE 9
12345 TRUE 5

Thanks for your help!

Answer Source

It will match any string of two or more digits, that consists entirely of sequential digits.

123456789     MATCH
123455678     NOT MATCH
456789012     MATCH
12345         MATCH


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