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The SQL SET keyword is used with SQL UPDATE statement and it is used to specify which columns and values that should be updated in a table. A SQL WHERE clause can be used with the UPDATE statement to update the selected rows, otherwise all the rows will be assigned the updated value.

Syntax

The syntax for using SET keyword is given below:

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition(s);

Example:

Consider a database tables called Employee with the following records:

EmpIDNameCityAgeSalary
1JohnLondon253000
2MarryNew York242750
3JoParis272800
4KimAmsterdam303100
5RameshNew Delhi283000
6HuangBeijing282800

  • To update the City and Salary of an employee whose EmpID is 5, the SQL query is:

    UPDATE Employee
    SET City = 'Mumbai', Salary = 2900
    WHERE EmpID = 5;
    

    Now the Employee table will contain following records:

    EmpIDNameCityAgeSalary
    1JohnLondon253000
    2MarryNew York242750
    3JoParis272800
    4KimAmsterdam303100
    5RameshMumbai282900
    6HuangBeijing282800

❮ SQL Keywords