how to use update command in sql code example

Example 1: sql update query

--update query example
 UPDATE table_name
 SET column1 = value1, column2 = value2, ...
 WHERE condition;

Example 2: sql update record

SQL> UPDATE CUSTOMERS
SET ADDRESS = 'Pune'
WHERE ID = 6;

Example 3: 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’;

Example 4: how to update values in sql

//to update value

UPDATE students SET course_id = 102
WHERE last_name = 'Jones'; -> 
                 if there is no condition it will update all!

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