update query in mysql

Code Example 1

UPDATE table_name
SET column1=value, column2=value2,...
WHERE some_column=some_value

Code Example 2

UPDATE table_name

 SET column1 = value1, column2 = value2, ...

 WHERE condition;

Code Example 3

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

Code Example 4

-- Set New Employee Password 
UPDATE employee
SET employee.password = '1234'
WHERE employee.email = '[email protected]';

Code Example 5

UPDATE [LOW_PRIORITY] [IGNORE] table_name 
SET 
    column_name1 = expr1,
    column_name2 = expr2,
    ...
[WHERE
    condition];

Code Example 6

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

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