Previously, we covered creating tables in SQL. To create a column in a table, use the ALTER TABLE statement, along with the ADD and then define a column name followed by the data type: ALTER TABLE nameoftable ADD nameofcolumn datatype To delete a column in a table:: ALTER TABLE nameoftable DROP COLUMN nameofcolumn To change the type of data stored in a column, use MODIFY: ALTER TABLE nameoftable MODIFY COLUMN nameofcolumn datatype In this article, we’ll use the same “Customers” table from our first articles to add and edit columns: ID Site Contact Address City Zip Country 1 Krypted Charles Edge my house Minneapolis 55418 US 2 Apple Tim Cook…
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Factory Reset (Powerwash) Chromebooks
If you ever loose track of the password on your Chromebook, find that the Chromebook is running oddly or want to sell a Chromebook, you can remove your Google account and readd it. The easiest way to do this is a feature called Powerwash. To pull it up, open Settings and then click on Advanced Settings. There, you’ll see the Powerwash button. Click it and then you will remove all of the user accounts installed on the device, basically performing a factory reset. Powerwash can also be run by clicking Restart while holding down Control-Alt-Shift-R at the login screen. This brings up a Powerwash prompt where you simply need to…