Key Fields in a Database. Keys are crucial to a table structure for many reasons, some of which are identified below: 1  They ensure that each record in a table is precisely identified.  They help establish and enforce various types of integrity.
avifauna definition: The definition of avifauna are the birds that live in a certain place or at a certain time. (noun) An example of avifauna is penguins living primarily in Antarctica. An example of avifauna is the moa of New Zealand becoming extin...
Definition of ADVAITA. : Vedantic nondualism that denies the separateness of any aspect of reality from the impersonal oneness of Brahma.ADVERTISEMENT.anskrit, from a- 2 a- + dvaita duality, from dvi two â more at two. First Known Use: 1825. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis. Note that some information is displayed differently in the Unabridged.