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We must be very careful when using COMMIT and ROLLBACK – in other words, when we are changing the state of our data set.
Please note that it will be very hard to practice these statements unless we switch off the following feature of Workbench.
The technologies currently working on are SQL Server, Power Shell, Oracle and Mongo DB.
Before reading this post you may want to get familiar with our post about SQL INSERT Statement.
After reading this article, you’ll understand the following topics covering how to use a simple SQL update statement Here, we’ve to come up with a pair of items, one being the column name, and one being the value, separated by an equal sign.
The following example updates the columns Bonus with the value 8000, Commission Pct with the value .30, and Sales Quota by NULL for all rows in the Sales. In this example, the above SQL update statement can be re-written using FROM clause and table alias.
This means if you have already used COMMIT 10 times, ROLLBACK will have an effect on the last execution you have performed.
The alias is also specified as the target object in the UPDATE clause. In order to do that, we’ll need to use the WHERE clause.I hope you enjoyed reading this article and for any questions, please feel to comment below…