Oracle migration MySQL unique index case insensitive don't be afraid

Project to start from oracle transfer mysql Find out mysql The unique index of is not case sensitive , Will report a mistake

 Error code ： 1062
Duplicate entry '8a84cc20713c2a570171bfb3515e5fb6' for key 'PM_SIN_PROJECT_INFO.PRIMARY'

There are two solutions

 Add a unique index to this field when creating a table ,binary For English case sensitivity 
`ID_NO` VARCHAR(32) BINARY NOT NULL COMMENT ' notes ',

COLLATE  Change to utf8mb4_bin   
ENGINE = INNODB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_bin