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 ...

SQL databases have constraints on data types and consistency. ... But there is no native way to perform a JOIN or subquery in Cassandra, and thus the related keywords don’t exist in CQL.

SQL joins . So far, I’ve described the SELECT syntax for single tables. ... MySQL, Oracle Database, SQL Server, SQLite, and IBM DB2. W3Schools. SQL Tutorial. Free and available without registration.

SQL vs NoSQL databases are two different ways of storing and managing data for your projects. But how do you decide which one to use? In this article, we will compare the main features, advantages ...

Complex querying and hence complex reporting is supported by SQL databases through joins, aggregations, and nested queries. Obviously, NoSQL databases are efficient only for simple and fast ...

SQL database is a relational database. The basic quality of NoSQL is that it may not require fixed table schemas, usually avoid join operations, and typically scale horizontally.

This exercise uses data from the previous unit (Advanced SQL - Join I). You can use your own data from that exercise or you can create a new database and load the initial content. Produce a list ...