Recovery methods from a database failure

Explanation:

If we make a database backup we could recover our data if something fails, for example, in a system crash, transaction errors, viruses, incorrect commands execution, etc.

There are some types of backups:

Full database backup: Everything is safe in this backup.

Differential backup: this backup only stores the changes in the full backup.

Transaction log backup: contains all transactions that had happened to the database.

that line of code is written in the python programming language. put simply, a programming (or coding) language is a set of syntax rules that define how code should be written and formatted. thousands of different programming languages make it possible for us to create computer software, apps and websites.

explanation:

the formula for work is

f*d

therefore work=2.0n*3.0=6n*m