A collection of information about the contents in a database
Properties of an entity
A set of rules to ensure a database is structured in the best manner
A table is in this form if it contains no repeating attributes or groups of attributes
A table is in this form if it contains no partial key dependancies
A table is in this form if it contains no non-key dependacies
Information in a field for a single record is different for other records
Unnecessary repeating data in a database
Where all records are in in one file
A key filed in a table which refers to another record in another table which is a copy of a primary key
A combination of two or more fields in a one key
A key field in a table which has a unique value to refer to other records in a table
Updates, inserts and deletes records in a table and executes queries
Manages for the creation and deletion of a database and changes in the structure and a database
Standard computer language for accessing and manipulating databases
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