Thingful Assignment

How are the syntaxes async and await useful when writing JavaScript code?
It allows for the use of try catch in an asynchronous code

With respect to Knex, how does the transaction method relate to BEGIN and COMMIT syntax in PostgreSQL?
The concept behind the two is the same, a pending transaction that has to be commited. If there is a connection failure, the database will rollback any queries executed on that connection to the pre-transaction state.

What is a "sequence table" in PostgreSQL?
It's a special table created by typing CREATE SEQUENCE name;
It's a umber generator, you can use nextval, currval, and setval to operate on the sequence.

What does RESTART IDENTITY CASCADE do?
Restart the identity squence and deleted all referenced rows

What does SELECT setval('blogful_users_id_seq', 1) do?
Update the sequence value after selecting