Questions

The place where the river meets the sea or ocean is called as Estuary.

A primary key is a special relational database table column or combination of columns designated to uniquely identify all table records. That is, A primary key is a column or set of columns in a table that uniquely identifies tuples (rows) in that table.

A primary key, also called a Primary Keyword.

Main Features Primary key are ::

It must contain a unique value for each row of data.

It cannot contain null values.

According to Gandhiji, A sound body means one which bends itself to the spirit and is always a ready instrument at its service. Such bodies are not made, in my opinion, on the football field. They are made on cornfields and farms.

Abraham Lincolon was an American statesman and lawyer who served as the 16th President of the United States from March 1861 until his assassination in April 1865.

Lincoln led the United States through the American Civil War—its bloodiest war and perhaps its greatest moral, constitutional, and political crisis.

Bachendri Pal, an employee of Tata Iron and Steel Co. Ltd at Jamshedpur, became the first Indian and the fifth woman in the world to reach the summit of Mt. Everest on May 23, 1984.

All enzymes are proteins but all proteins are not enzymes since, enzymes are subset of proteins.

Here all the above given options are the countries with no income tax.

List of Countries With No Income Tax:

- Qatar

- Oman

- UAE

- Saudi Arabia

- Bahrain

- Kuwait

- Bermuda

- Cayman Islands

- Bahamas

- Monaco.