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mysql has a query cache, which stores the query and results: http://dev.mysql.com/doc/refman/5.1/en/query-cache.html http://dev.mysql.com/doc/refman/5.1/en/que
by nomoresecrets 17y ago
mysql has a query cache, which stores the query and results:
http://dev.mysql.com/doc/refman/5.1/en/query-cache.html http://dev.mysql.com/doc/refman/5.1/en/query-cache.html
- chrisbolt 17y agoWith the query cache, if you update a single row in one table, all cached queries that involve that table are invalidated, whether or not that row would have affected the result. This makes it almost useless for many sites.