You might be wondering how to insert multiple rows into a table using Node Postgres. Most examples show adding only one row at a time. Some solutions recommend using a control flow library like async. But this technique is slow and inefficient because it uses too many connections or sends the queries one by one. Other solutions recommend using a heavyweight ORM, but this might require a significant rewrite of your application.
Transactions in computer programming are essential for data integrity. Transactions provide primitives for guaranteeing your query logic succeeds or fails gracefully. A transaction contains any number of statements. At any point you can rollback if an error occurs or your logic fail conditions trigger.
This small tutorial shows how to connect and query PostgreSQL using Node.js.