February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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The MEMORY storage engine
The MEMORY storage engine, also previously known as the HEAP engine, keeps data in RAM, which provides faster data access. It is mostly used in quick lookups of non-critical data environments. It creates special-purpose tables with contents stored in memory but the data is vulnerable to crashes, power outages, and hardware issues. Therefore, these tables are used in temporary work areas or possibly using read only data that is cached after the data is pulled from other tables.
You should choose whether use MEMORY or NDB Cluster. You should check if the application is required for important, highly available, or frequently updated data and consider whether NDB Cluster is the better choice or not. NDB Cluster provides ...
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