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2025-01-16 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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It is believed that many inexperienced people don't know how to splice stored procedure variables in mysql, so this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.
Splicing of stored procedure variables
Sometimes we need fuzzy queries, but at the same time we need
We use variables in fuzzy queries, and we want to concatenate a% after the variables to match the fuzzy query.
Then the concat function will be used.
Examples are as follows: www.2cto.com
SELECT count (id) FROM config WHERE name like concat (studentName,'%')
Where studentName is a variable
If you copy the value of studentName ='Li'
Then the effect is equivalent to
SELECT count (id) FROM config WHERE name like 'Lee%'; pay attention to punctuation.
After reading the above, have you mastered how to concatenate stored procedure variables in mysql? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!
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