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More advance index creation required
Currently its not possible to define indexes that use a sub length of a column. This is often used for char and byte type fields that are very long.
In mysql you can do the following
CREATE INDEX part_of_name ON customer (name(10));
In mysql you can do the following
CREATE INDEX part_of_name ON customer (name(10));
Сервис поддержки клиентов работает на платформе UserEcho
But you can add such index to the model using table "Additional SQL scripts" tab as you can see on picture below.