This example uses the Cars Table from the Example Databases.
UPDATE Cars
SET Status = 'READY'
This statement will set the 'status' column of all rows of the 'Cars' table to "READY" because it does not have a WHERE clause to filter the set of rows.
This example uses the Cars Table from the Example Databases.
UPDATE
Cars
SET
Status = 'READY'
WHERE
Id = 4
This statement will set the status of the row of 'Cars' with id 4 to "READY".
WHERE clause contains a logical expression which is evaluated for each row. If a...
This example uses the Cars Table from the Example Databases.
UPDATE Cars
SET TotalCost = TotalCost + 100
WHERE Id = 3 or Id = 4
Update operations can include current values in the updated row. In this simple example the TotalCost is incremented by 100 for two rows:
The TotalCost of Car #3 i...
The examples below fill in a PhoneNumber for any Employee who is also a Customer and currently does not have a phone number set in the Employees Table.
(These examples use the Employees and Customers tables from the Example Databases.)
Standard SQL
Update using a correlated subquery:
UPDATE
...
Sometimes one wants to capture the records that have just been updated.
CREATE TABLE #TempUpdated(ID INT)
Update TableName SET Col1 = 42
OUTPUT inserted.ID INTO #TempUpdated
WHERE Id > 50
