MySQL 8.0 Collations: Migrating from older collations, Part 2
In my blog MySQL 8.0 Collations: Migrating from older collations I showed a query that could identify the values that might break a unique constraint when migrate your data. That query was not very efficient due to the self join of the converted values.…
Source: MySQL 8.0 Collations: Migrating from older collations, Part 2