Which properties are true of database tables? (Select two)

The selection that indicates database tables can have relationships to other tables is significant because it highlights an essential aspect of relational databases. In relational database design, tables are interconnected through relationships, which allow for data normalization and efficient query operations. These relationships can be one-to-one, one-to-many, or many-to-many, enabling the database to maintain data integrity and reduce redundancy by linking related information stored across different tables.

The idea that database tables may have key fields further underlines their significance. Key fields, or primary keys, uniquely identify each record within a table. This uniqueness is crucial for ensuring that each entry in a table can be distinguished from others and allows for efficient searching and retrieval. Key fields can also relate to foreign keys in other tables, thereby reinforcing the interconnectivity of data and supporting referential integrity.

It’s important to recognize that tables can indeed have any number of key fields (though typically, one primary key is sufficient), and while they may typically be viewed as two-dimensional, this is often a simplistic representation of their capability to house complex data relationships through multiple dimensions and table relationships.