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

Are you still putting your data in plain, old spreadsheets? Excel 2013 makes it easy to link tables, create reports and more.

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

When tables are created for each topic in a database, you must place common fields into the related table and form a relationship with them for information to be brought together again.

Get started modeling entities and relationships for Java data persistence, using an example application based on Java 21 with Hibernate 6.3.