What is the use of witness server?

Question

The Witness is an optional instance of the database that allows the mirror server in a high- safety mode session to recognize whether to initiate an automatic failover. The Witness doesn't serve the database, unlike the two partners. The Witness is the only one that can support automatic failover. March 14, 2017:

Hagrid P Hazard · Accepted Answer

The Witness is an optional instance of the database that allows the mirror server in a high- safety mode session to recognize whether to initiate an automatic failover. The Witness doesn't serve the database, unlike the two partners. The Witness is the only one that can support automatic failover. March 14, 2017:

What is the use of witness server?

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