[MySQL] You are using safe update mode and you tried to update a table ..

아래와 같은 오류가 나면, 

update safe mode 이다. 

Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Editor and reconnect. 0.016 sec

SET SQL_SAFE_UPDATES =0;

를 해주면 풀린다.