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What does the slow query in "Performance Optimization" on the ApsaraDB for RDS background mean

Last Updated: Jul 13, 2016
The performance optimization records the slow query details. A slow query log records the SQL queries with more than 1 second of execution time in the database (You can also modify the parameter long_query_time on the console). The poor efficiency of these queries will affect the database performance, so users can optimize the codes according to the records to improve efficiency.
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