Database normalization is the cornerstone of database theory. Once a database is normalized, relationships between the data in multiple tables must be established. A hefty part of designing a ...

In the realm of data modeling, many-to-many relationships are often considered an "odd duck." Unlike one-to-one or one-to-many relationships, which can be directly implemented in physical database ...

Excel possesses formidable database powers. Creating a relational database starts with a Master table that links it to subordinates, called (awkwardly) Slave, Child, or Detail tables. Before we dive ...

Ok this SHOULD be so easy but I must be making it overly complex.<br><br>I have an employee-boss relationship.<br><br>HOWEVER, in theory an employee could have TWO or more bosses.<br><br>So to deal ...

In the era of big data, good old RDBMS is no longer the right tool for many database jobs. Here's a quick guide to choosing among NoSQL alternatives I’ve been in Chicago for the last few weeks setting ...