update with where value in column sql code example

Example 1: sql update with statement

UPDATE mytable t		-- Update using WITH statement
SET value3 = (
    WITH comp AS (
        SELECT id, value1
        FROM mytable t
        WHERE value2 > 10
    )
    SELECT c.value1
    FROM comp c
    WHERE c.id = t.id
);

Example 2: how to update data in sql

UPDATING ROW
Update TableName set ColumnName = value where condition;
update scrumteam set firstname =‘Martin' where EmployeeID='1';
update scrumteam set lastname =‘Murtin' where firstname='Tom’;

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