In a Distributed DBMS,the Distributed Data Manager

question 31

Multiple Choice

In a distributed DBMS,the distributed data manager:

• A) Optimizes global query execution
• B) Coordinates global concurrency control
• C) Coordinates recovery from failures across all sites
• D) All of the above

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Definitions:

Osteons

Also known as Haversian systems, cylindrical structures that contain a mineral matrix and living osteocytes, helping to give bone its strength and density.

Diameter

A straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Osteoblasts

Bone-forming cells that synthesize the bone matrix and are responsible for bone growth and repair.

Chondrocytes

Chondrocytes are the only cells found within healthy cartilage, responsible for maintaining the cartilaginous matrix.