Redundancy Can Be a Major Problem in the Design and Operation

question 49

Multiple Choice

Redundancy can be a major problem in the design and operation of relational databases.If a database uses only one relation to store data,several problems may subsequently occur.The problem of changes (or updates) to data values being incorrectly recorded is known as

• A)an update anomaly.
• B)an insert anomaly.
• C)a delete anomaly.
• D)a memory anomaly.

---

Definitions:

Medical Necessity Guidelines

Standards set by healthcare entities to determine the medical necessity and appropriateness of specific healthcare services and procedures.

Progress Note

A document in the medical record where healthcare professionals record details to document a patient's clinical status or achievements during the course of a hospitalization or over the course of outpatient care.

Narrative Diagnostic

A method of diagnosing by telling and interpreting the story of a patient's condition or symptoms.

HCPCS Level I Codes

A set of codes in the Healthcare Common Procedure Coding System used for coding services, procedures, and equipment in healthcare.