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...
> 4.5spec.sifi.5ess. eeeeee. 4ps5eeee. Aerobic vaginitis (AV) is a state of abnormal vaginal. flora that is distinct from the more common bacterial. vaginosis (BV) (Table 1). AV is caused by a displacement. of the healthy vaginal Lactobacillus species with aerobic.