Update record in mysql

Summary : updating data is one of the most important tasks when you work with the database. It allows you to change the values in one or more columns of a single row or multiple rows. Sometimes, you may want to update just one row; However, you may forget the WHERE clause and accidentally update all rows of the table.

Here we are updating the city of a person with id. First Go to the navigation tab, click on the database icon as shown on the following screen.

Now, a new screen will open and type the name of the database in the name field, and click Apply. Now, You will be able to see the database you created under the schemas section on the left-hand side of your screen.

If you are not able to see the database click on the refresh button. Expand your database and right-click on the Table and click on create Table. The Overflow Blog. Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses.

Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Related Hot Network Questions. Question feed. Stack Overflow works best with JavaScript enabled. This helps prevent us from overwriting large amounts of data accidentally. In fact, if we had forgotten to include the WHERE clause we would have updated every single record in the table!

Yes, running the following code will result in every record in our table being updated to Banana :.