Just Java™ 2

Relational Database Glossary

Table 23-5 is a glossary of terms that you can review and refer to as necessary. There are a few terms in here that appear later in the chapter.

Table 23-5. Relational database glossary

Name	Description
attribute	A column in a table, e.g., the “Name” attribute.
cardinality	The number of rows in a relation.
database integrity	You maintain database integrity by grouping statements in a “transaction” that is either executed as a whole, or has no part of it executed.
degree	The number of columns in a table.
domain	The set of permissible values for an attribute.
entity integrity	The requirement that key attributes never contain a null.
first normal form	A table in which no attributes ...