Update error in mysql Query taking data from another table

Question

I am trying to update the orgaization_id in location table which is primary key in Organization table.

update location set organization_id=org.old_id from organization as org 
where location.old_id=org.old_id;

Facing syntax error please help..

Answer 1

You can use join to perform update from another table

update location l
join organization as o
on l.old_id=o.old_id
set l.organization_id=o.old_id;

Answer 2

请尝试以下代码：

update location set organization_id=(select old_id from organization where organization.old_id=location.old_id);