A(n)____ Describes the Structure,content,and Access Controls of a Physical Data

question 5

Multiple Choice

A(n) ____ describes the structure,content,and access controls of a physical data store or database.​

• A)relation
• B)​DBMS
• C)schema
• D)​attribute

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Definitions:

Null Hypotheses

A statistical hypothesis that assumes no significant difference or relationship exists between certain characteristics of a population or data set.

Research Hypotheses

Statements made for a study that predicts a relationship between variables, to be tested through research.

Sampling Error

The discrepancy between a sample statistic and its corresponding population parameter, arising purely by chance because the sample is not a perfect representation of the population.

Nondirectional Research Hypothesis

A hypothesis suggesting a correlation between variables without defining the nature of their interaction.