Answers for "how to update a row in mysql"

mysql update add to existing value

mysql> UPDATE tableName SET sometotal = sometotal+10 WHERE Id = 4;

mysql change value

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

how to update rows from a table when certain conditions are met in mysql

UPDATE table_name
SET column1 = value1, column2 = value2
WHERE condition <= condition AND condition != condition;

mysql update value

UPDATE employees 
SET 
    email = '[email protected]'
WHERE
    employeeNumber = 1056;Code language: SQL (Structured Query Language) (sql)