ʻO ka superkey he inoa e hiki ke hoʻohanaʻia eʻike i kahi pūnaeweleʻikepili
ʻO ka superkey he hoʻokahi a iʻole he hui o nā hiʻohiʻona hiki ke hoʻohanaʻia no kaʻikeʻana i kaʻikepili pūnaewele. Hiki i kahi papa ke hoʻonui i nā hui pūnaewele e hana i nā piko.
ʻO Exame Superkey
ʻO kahi pāʻani me nā pāʻani
Inoa | Makahiki | SSN | Helu Wahi. |
---|---|---|---|
ʻo Robert Jones | 43 | 123-45-6789 | 123 |
ʻo Bet Smith | 43 | 234-56-7890 | 456 |
ʻo Robert Jones | 18 | 345-67-8901 | 789 |
E like me kāu eʻike ai,ʻo nā kola o
Nāʻano o Superkeys
ʻO nā mea i heluʻia ma ka pākaukau ma luna,ʻo "SSN wale wale nō" he kī pālua ,ʻo ia kekahi lākihana kūikawā o nā kiʻikuhi e hoʻohana ana i nāʻanoʻuʻuku no kaʻikeʻana i kahi moʻolelo. Aia nāʻaoʻao'ē aʻe i kaʻike no kaʻikeʻana i nā moʻolelo.
Hiki ke hoʻoiliʻia ka
Ināʻaʻole i loko o ka papaʻaina kahi
E kapaʻia nā huahana limahana hou i ke kika kumuʻoihana nui. ʻO kēia key keystone nui ka mea e lilo i superkey.