The Statement ^{dataFile.close();}

question 3

Multiple Choice

The statement ^{dataFile.close() ;}

• A)is legal but risks losing valuable data.
• B)needs a file name argument to execute correctly.
• C)is illegal in C++.
• D)closes a file.
• E)None of the above

Grasp the definitions of various categories of unemployment and how they are measured.

Comprehend the phenomena of stagflation and its economic implications.

Analyze the factors contributing to business cycles and their impact on unemployment.

Understand the Consumer Price Index and its role in measuring inflation.

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Definitions:

Principal Key

Another term for primary key, an attribute or set of attributes that uniquely identifies each record in a database table.

Foreign Key

An attribute in a database table that provides a link between data in two tables, typically to enforce referential integrity.

Main Key

A unique identification attribute or field in a database, functionally identical to a primary key.

Row Selector

A tool in spreadsheet and database applications that allows users to select entire rows.