Basic Queries in SQL
Explore the fundamental SQL queries used to read, update, and delete data from databases. Understand how to apply WHERE, ORDER BY, and GROUP BY clauses to manage data efficiently. Learn about the advantages of using ORMs to simplify SQL query management and improve security in Node.js applications.
We'll cover the following...
We'll cover the following...
Basic SQL queries
SQL queries are methods of accessing data from an SQL database. Let’s briefly review how the queries that read, update, and delete from the database work.
Read query
A read query is a way to get stored data from a database. Assuming we have a database with an Employers table, we can select or get ...