Challenge: Transaction Creation
Now, let's walk through creating a transaction ourselves based on the bank_accounts table described in the previous chapter.
We're going to perform a straightforward financial transaction: transferring funds from one account to another. Ensuring that both steps occur as a single logical unit exemplifies a real-life transaction.
We will work with account numbers 101 and 789 and the initial balance will be the following:
| account_number | balance |
|---|---|
| 101 | 4500.00 |
| 789 | 3500.00 |
Завдання
Your task is to fill in the gaps in the query to create a SQL transaction. Use the keywords BEGIN and COMMIT to do it.
Once you've completed this task, click the button below the code to check your solution.
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Зміст курсу
Advanced Techniques in SQL
Advanced Techniques in SQL
Challenge: Transaction Creation
Now, let's walk through creating a transaction ourselves based on the bank_accounts table described in the previous chapter.
We're going to perform a straightforward financial transaction: transferring funds from one account to another. Ensuring that both steps occur as a single logical unit exemplifies a real-life transaction.
We will work with account numbers 101 and 789 and the initial balance will be the following:
| account_number | balance |
|---|---|
| 101 | 4500.00 |
| 789 | 3500.00 |
Завдання
Your task is to fill in the gaps in the query to create a SQL transaction. Use the keywords BEGIN and COMMIT to do it.
Once you've completed this task, click the button below the code to check your solution.
Все було зрозуміло?
