Updating field from one table to another sql

Let us clean up the clause by dropping the tables which we have created.Pinal Dave is a SQL Server Performance Tuning Expert and an independent consultant.

That information, along with your comments, will be governed by DISQUS’ privacy policy.For any SQL Server Performance Tuning Issue send an email at [email protected] is also a Cross Fit Level 1 Trainer (CF-L1) and Cross Fit Level 2 Trainer (CF-L2).In a nutshell, these are the SQL rules regarding transaction control.We must be very careful when using COMMIT and ROLLBACK – in other words, when we are changing the state of our data set.

If you omit the WHERE clause, all records in the table will be updated!