Explain keyset cursors. Give an example of their use.

Q: Why is it harder to recover data in a database environment?

A: Recovering data in a database environment can be more challenging than in other environments.

Q: What procedures are used to store information

A: There are many procedures used to store information, ranging from simple paper-based methods to…

Q: Why are "keep-alive" signals or pings used in some database connections?

A: In some database connections, there is a practice of using "keep alive" signals, also known as…

Cryptography

Cryptography is a term used in computer science to describe secure information and communication techniques that transform messages in difficult-to-decipher ways using mathematical concepts and a set of rule-based calculations known as algorithms.