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...
1: an oblong or pear-shaped fruit that is a syconium; especially : the edible fruit of a widely cultivated tree (Ficus carica) that has laxative qualities. 2: any of a genus (Ficus) of trees of the mulberry family that produce figs.