Questions

Can’t delete a row from primary table if there are related rows in secondary table.

Hubs are specified or operate at Layer1 i.e, the physical layer in the OSI model. Hubs regenerate electrical signals. A hub sends data packets (frames) to all devices on a network, regardless of any MAC addresses contained in the data packet.

Silvassa is in Dadra and Nagar Haveli.Kavarati is capital of Lakshadweep. Itanagar is capital of Arunachal PradeshThese three were originally included in smart city list.Assam government has sent a proposal for Jorhat to be included in smart city list. But it has not yet been included.

Galton's whistle is also called as Dogs whistle or silent whistle, is a type of whistle that emits sound in the ultrasonic range, which people cannot hear but some other animals can, including dogs and domestic cats, and is used in their training.

The gas usually filled in the electric bulb is Nitrogen.