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Introduction to Writing SQL Queries

Introduction to Writing SQL Queries

Learn about the placement of business logic with regards to databases.

Now, we’re going to learn how to write SQL queries. There are several ways to accomplish this, both from the SQL syntax and semantics points of view, which will be covered later. Here, we want to address how to write SQL queries as part of our application code.

Object-relational mapping (ORM)

Some developers prefer to use an ...