Much of the world's data lives in databases. SQL (or Structured Query Language) is a powerful programming language that is used for communicating with and extracting various data types from databases.

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

Query design does not need to include specific SQL (Structured Query Language) commands. SQL will only be used during implementation. Here is the design for a query that will return all sports ...

In a Reddit post shared by a data engineer yesterday, March 10, it was learnt that the engineer was rejected for missing a ...