I was reading the section Character Functions in the Chapter 2 of the book Querying Microsoft SQL Server 2012 and pretty soon I get bored of trying individually the various functions on strings available in T-SQL.
Then, I challenged myself to write a stored procedure (this is my first one) to evaluate an arithmetic expression with parenthesis and show the individual steps of the calculation. I wanted something generic but I added some restrictions to it after seeing how crazy is to implement a split function in T-SQL.
This is the stored procedure. I know, it is crazy and I am sure there are much better way of doing it. Remember that my goal was to just get confidence with the T-SQL functions on strings. Anyway, I am happy to receive feedback on it and see different way of implementing this behaviour.
This is the result of the execution.
It was fun :)
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What you think about this post? I really appreciate your constructive feedback (positive and negative) and I am looking forward to start a discussion with you on this topic.