Advanced SQL Server monitoring tool

Four9s helps you keep your SQL Server environments healthy. With detailed, second-by-second information about your systems, you can analyze and optimize database processes with unique capabilities.

Four9s on different devicesFour9s on different devices

Discover exactly what is happening inside your database, at every moment

It is not only about detecting a problem, but having enough context to explain, trace and anticipate it.

Complete visibility

Get detailed, second-by-second analysis of database performance, availability and security.

Guaranteed optimization

Reduce the time and cost of solving problems with an effective, easy-to-use tool.

Experience that matters

Our SQL Server experts built a solution that goes beyond the limitations of current tools.

Answer the challenges of your SQL Server databases

Your SQL Server in your pocket, control and visibility wherever you are

Download the Four9s app and check your SQL Server environment from your phone at any time.

"Four9s was like a Rosetta Stone: it helped us discover where the startup failure came from and identify the conceptual design problems in our database architecture."

Manuel Díaz PerezIT Manager at HT Médica

"As soon as Four9s was running, we saw peaks in critical processes on the Real-Time Dashboard. They were easy to locate and validate with our development provider."

Antonio de Luis GarcíaSenior Infrastructure Manager at Pepper Money

"After implementing Four9s, RETAbet has dramatically increased the time its database system remains stable and reduced the hours spent optimizing processes and resolving incidents."

Félix Font QuilesCTO, Grupo RETABET