MySQL 5.1 vs. MySQL 5.5: Floats, Doubles, and Scientific Notation

(Sheeri K. Cabral) For the past few days, I have been upgrading a few servers. We are going from Percona’s patched MySQL 5.1 to MariaDB 5.5 (the subquery optimization is excellent, and we have lots of subqueries). Our process involves upgrading a slave first, and letting it replicate for a while, an

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