Oracle Management Server
In relational database management systems and in the particular context of an Oracle Enterprise Manager (OEM) environment, an Oracle Management Server (OMS) is a software system that functions as a middle tier between Oracle intelligent agents and Oracle management consoles. The system may operate on multiple nodes and by default uses a schema named DBSNMP. Through this system, database administrators may view and control their OEM domain(s). An OMS has special links with a repository database, used for storing OEM details. References

External links
 of Oracle Enterprise Manager - Oracle Management Server
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Oracle software