Iam quite new to functions in SQL and I would like to create a function to compare values in a MySQL table against previous and I am not sure how to do this.
I am currently working on a particularly complex use-case. Simplifying below :) First, a client record has a many-to-one relationship with a collection of services, that is, a single client may have
This is based on a similar question How to Replace Multiple Characters in Access SQL? I wrote this since sql server 2005 seems to have a limit on replace() function to 19 replacements inside a where
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