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.

A Bath towel or a tea bag are suitable answers.

Punch-card ballots voting method was discontinued as a result of the Help America Vote Act because of some issues in the counting process by the tabulating machines.

Masala bonds are bonds issued outside India but denominated in Indian Rupees, rather than the local currency. Kerala Infrastructure Investment Fund Board have listed 21.5 billion rupees ($305 million) of Masala bonds on the London Stock Exchange.

The plan to set up an innovation council called ”Kayakalp” for business re-engineering and introducing a spirit of innovation in the Indian Railways.