sql update value in table code example

Example 1: sql update query

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

Example 2: how to update date value in sql

UPDATE TABLE
   SET EndDate = CAST('2009-05-25' AS DATETIME)
 WHERE Id = 1

Example 3: sql update from select

UPDATE YourTable 
SET Col1 = OtherTable.Col1, 
    Col2 = OtherTable.Col2 
FROM (
    SELECT ID, Col1, Col2 
    FROM other_table) AS OtherTable
WHERE 
    OtherTable.ID = YourTable.ID

Example 4: updating 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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Sql Example

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