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...
The word for air (vÄyu) or wind (pavana) is one of the classical elements in Hinduism. The Sanskrit word 'VÄta' literally means  blown , 'VÄyu'  blower , and PrÄna  breathing  (viz. the breath of life, cf. the *an-in ' animate ').ÊaËyu]) is a primary Hindu deity, the lord of the winds, the father of Bhima and the spiritual father of Hanuman. He is also known as VÄta, Pavana (the Purifier), and sometimes PrÄá¹a (the breath).