QuestionJuly 28, 2025

In data matching which of the following best describes an overlap? a. When one entity is assigned another entity's unique identifier b. When one entity has different unique identifiers in different databases c. When one entity in a database has multiple unique identifiers d. When one database overlaps with another database

In data matching which of the following best describes an overlap? a. When one entity is assigned another entity's unique identifier b. When one entity has different unique identifiers in different databases c. When one entity in a database has multiple unique identifiers d. When one database overlaps with another database
In data matching which of the following best describes an overlap?
a. When one entity is assigned another entity's unique identifier
b. When one entity has different unique identifiers in different databases
c. When one entity in a database has multiple unique identifiers
d. When one database overlaps with another database

Solution
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Answer

d. When one database overlaps with another database Explanation 1. Analyze the options Option a describes a misassignment of identifiers, not overlap. Option b involves different identifiers across databases, indicating inconsistency. Option c refers to multiple identifiers for one entity within a single database, suggesting redundancy. Option d indicates overlap between databases. 2. Determine best description Overlap in data matching typically involves shared or intersecting data points between databases.

Explanation

1. Analyze the options<br /> Option a describes a misassignment of identifiers, not overlap. Option b involves different identifiers across databases, indicating inconsistency. Option c refers to multiple identifiers for one entity within a single database, suggesting redundancy. Option d indicates overlap between databases.<br /><br />2. Determine best description<br /> Overlap in data matching typically involves shared or intersecting data points between databases.
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