How do I UPDATE from a SELECT in SQL Server?

In SQL Server, it’s possible to insert into a table using a SELECT statement:

Is it also possible to update via a SELECT? I have a temporary table containing the values, and would like to update another table using […]

How can I prevent SQL injection in PHP?

If user input is inserted without modification into an SQL query, then the application becomes vulnerable to SQL injection, like in the following example:

That’s because the user can input something like value’); DROP TABLE table;–, and the query […]