February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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Overview of memory
A memory storage engine is generally known as a heap storage engine. It is used to access data extremely quickly. This storage engine stores data in the RAM so it wouldn't need I/O operation. As it stores data in the RAM, all data is lost upon server restart. This table is basically used for temporary tables or the lookup table. This engine supports table-level locking, which limits high write concurrency.
Important notes about memory tables are as follows:
- Because memory table stores data in the RAM, which has a very limited storage capacity; if you try to write too much data into the memory table, it will start swapping data into the disk and then you lose the benefits of the memory storage engine
- These tables don't ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.