Questions

Foreign keys are the columns of a table that points to the primary key of another table. They act as a cross-reference between tables.

In detail : A Foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table. In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table.

In April 1500, Brazil was claimed by Portugal on the arrival of the Portuguese fleet commanded by Pedro Alvares Cabral.

Unsaturated fats are good fats that lowers cholesterol levels and risk of heart attack.

Body cells that respond to insulin include liver cells and many other cells in the human body.

Elements that are poor conductors of heat and electricity are called Non metals.