update command in mysql 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: mysql update query

UPDATE table_name SET field1 = 'value 1', field2 = 'value 2'
WHERE field3 = 'value 3'

Example 3: update set mysql

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

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

Example 4: update query in mysql

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

Example 5: mysql change value

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

Example 6: MySQL UPDATE

The UPDATE statement updates data in a table. It allows you to change the values in one or more columns of a single row or multiple rows.

The following illustrates the basic syntax of the UPDATE statement:

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

First, specify the name of the table that you want to update data after the UPDATE keyword.
Second, specify which column you want to update and the new value in the SET clause. To update values in multiple columns, you use a list of comma-separated assignments by supplying a value in each column’s assignment in the form of a literal value, an expression, or a subquery.
Third, specify which rows to be updated using a condition in the WHERE clause. The WHERE clause is optional. If you omit it, the UPDATE statement will modify all rows in the table.