All posts by Ståle Deraas

About Ståle Deraas

Ståle Deraas has been working with MySQL Database team since 2008. He is currently employed by Oracle, based in Norway. He is Senior Software Development Manager for the runtime team of the MySQL Database. He has a background in the database industry, working for Sun Microsystems on Java DB, and prior to that on Software Development Tools. He has a B.Sc Hons degree in Computing Science from the University of Glasgow.

Atomic DDL in MySQL 8.0

The new data dictionary in MySQL 8.0 is mostly transparent to users upgrading, in that an import process is automatically run on first-start, and the semantics of DDL (creating tables, adding indexes etc) remain the same. There is however one major exception, and that is how failure cases are handled.…