Database Administration Questions

A metalloid is an element with properties between metals and non metals or the mix of both.

The six metalloids are arsenic, silicon, germanium, boron, antimony and tellurium.

Hence, silicon is the only metalloid in the given list.

ROM stands for read-only-memory.

It's used to store the start-up instructions for a computer, also known as the firmware.

Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.

Integrity constraints are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. Many types of integrity constraints play a role in referential integrity (RI).

Hence, Data integrity constraints are used to Improve the quality of data entered for a specific property i.e, table column.

The distance around a shape or figure I called Perimeter. A perimeter is a path that surrounds a two-dimensional shape.

Yes, future is always infront of us, but no one can see it.

Multiple users can't share a local temporary table

The Doppler effect or Doppler shift is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source.