Cybercrux

Everything is achievable through technology

SQL Update from Table

UPDATE t1
SET ForeignKey = t2.id
FROM TableIWantToCorrect t1
INNER JOIN TableWithIDs t2
ON UPPER(t2.CompareName) = UPPER(SUBSTRING(t1.Name, 4, 3))

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s