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Tip: Improve Performance of Select Queries with LIMIT Keyword in MySQL

Learn a simple trick to make certain queries perform correctly in MySQL.


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Often, we have queries where we are interested to see if there is a record for the particular where condition or the first record.

These kinds of queries are used in Healthcheck and other lightweight systems. To make the query perform correctly, add LIMIT 1 to the end of the query.

 

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