Difference between revisions of "Databases"
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= Relational Databases = | = Relational Databases = | ||
| + | |||
| + | * Set of named relations (tables) | ||
| + | * Each relation has a set of named attributes (columns) | ||
| + | * Each tuple (row) has a value for each attribute | ||
| + | * Each attribute has a type (or domain) | ||
Revision as of 23:38, 7 December 2013
Relational Databases
- Set of named relations (tables)
- Each relation has a set of named attributes (columns)
- Each tuple (row) has a value for each attribute
- Each attribute has a type (or domain)