Keep the data from the previous task and execute the file src/data/task2.sql to add some more students to our database. These students are new and don't have a mentor, yet. Now, produce the same list ...

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...

This document explains various database concepts, including SQL Join types, ACID properties, and database normalization forms. Each concept is detailed with examples to support learning and ...

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 ...

Unlike SQL databases, ... for instance by combining data from two tables using the SQL JOIN command. With NoSQL, data can be stored in a schema-less or free-form fashion.

What is an OLAP cube? OLAP cubes or hypercubes are a way of organizing data with hierarchical dimensions so that analysis can be performed quickly, without a lot of SQL JOINs and UNIONS.