What is Database Mirroring, Operating Mode, Requirement, Advantageous & Disadvantageous (Part 1)

1) What is SQL SERVER Database Mirroring?

2) What are Principal, Mirror and Witness server?

3) Operating Mode

1) High-Availability Mode
2) High-Protection Mode
3) High-Performance Mode

4) Requirement for Database Mirroring ?

5) Limitation of Database Mirroring ?

6) Advantageous and Disadvantageous of Database Mirroring ?

7) Jobs for Database Mirroring ?

SQL SERVER DATABASE MIRRORING,