What Is a Surrogate Key and How Does Microsoft Access

question 43

Essay

What is a surrogate key and how does Microsoft Access 2010 create surrogate keys?

Realize the potential biases and errors in psychological measurement and strategies to mitigate them.

Appreciate the complexity of measuring subjective experiences and the role of modern technology in psychological assessment.

Understand the concepts of markups and markdowns in retail pricing.

Comprehend the components and structure of an operating statement or income statement.

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Definitions:

Zero-Length

A term that refers to a string or text field that is allowed to have no characters, essentially being empty but not null.

Multivalued

Describes an attribute or field in a database that can hold multiple values in a single record.

Lookup List

A pre-defined list of values that can be selected within a form or database field.

Allow Multiple Values

A setting in database applications that permits a single field to hold multiple values, usually in the form of a list or array.