Now there is a full database but you want to update some old rows. We will also use a WHERE operator to make sure we only do it to one row.
UPDATE table SET column_name = ‘Updated data’ WHERE id=1;
To delete a row were need to say what table…
Cross join-both table name after from. This is the worst way to join tables because there are duplicate rows. The reason for this is because each row will be combined. …
I have been working on a model that can predict the exchange rate for the Australian and US Dollar. The first thing I did was get my data from the federal reserves website.
I got monthly rates for all of the countries available before deciding on which country to work…