mysql update query WHERE code example

Example 1: how to update an attribute in MySQL

UPDATE table_name
SET variable = 'changed field', variable = 'another changed field'
WHERE firstline_name = 1;

Example 2: update set mysql

UPDATE tableName SET anAttribute = 'Something' WHERE anOtherAttribute = 'SomethingElse'

//All 'SomethingElse' values will become 'Something'