Candidate key retrieving apparatus, candidate key retrieving method and tangible machine-readable medium thereof

A candidate key retrieving apparatus, a candidate key retrieving method and a tangible machine-readable medium thereof are provided. The candidate key retrieving apparatus comprises a storage unit and a microprocessor. The storage unit is configured to store a table recording a data amount of the ta...

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Bibliographic Details
Main Authors SHIH CHI-SHENG, LIANG MIN-SIONG, SUEI PEI-LUN, LUOH REN-SHAN, KUO TEI-WEI, KUO CHE-WEI
Format Patent
LanguageEnglish
Published 24.06.2014
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A candidate key retrieving apparatus, a candidate key retrieving method and a tangible machine-readable medium thereof are provided. The candidate key retrieving apparatus comprises a storage unit and a microprocessor. The storage unit is configured to store a table recording a data amount of the table, a plurality of attributes, and a data distinct amount and a data type of each attribute. The microprocessor is configured to generate a candidate key according to the data amount, the distinct amounts and the data types.
Bibliography:Application Number: US20090627798