Re: Upgrade from older version without losing data/config
MySQL upgrades must step through major versions, in your case 5.1->5.5->5.6->5.7, latest versions of .5 .6 & .7, in each case running mysql_upgrade then regression testing to find and fix other issues before you proceed to the next step.
Safest bet at each step is to mysqldump the entire current instance then restore it into the next version.
WB doesn't need that stepwise approach.
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Re: Upgrade from older version without losing data/config
May 25, 2017 12:10PM
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