database - How to replace last occurrence of a substring in MYSQL? -

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How can I change the last occurrence of a substrings with an empty string in MYSQL? MYSQL

String: "American Corp National Corp"

Search String: "Corp"

Expected Output: "American Corp National"

Can someone suggest?

Try: 

  reverse (concat (left (reverse 'American Corp National Corp'), Instar (Reverse ('American Corp National Corp'), Reverse ('Corp') - 1), Upstroke (Reverse ('American Corp National Corp'), Instar (Reverse (American Corp Result ('corp')) + Length ('corp')) Results   
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