In Order for Two Queries to Be UNION-Compatible, They Must

question 9

Multiple Choice

In order for two queries to be UNION-compatible, they must:

• A) both have the same number of lines in their SQL statements.
• B) both output compatible data types for each column and return the same number of rows.
• C) both return at least one row.
• D) both return exactly one row.

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Definitions:

Balance-of-Payment Deficits

A situation in the balance of payments where the payments made by a country for its imports, investments abroad, and other outflows are greater than the inflows from exports, foreign investments, etc.

Japanese Yen

The official currency of Japan, known globally as a major currency for trade and finance.

U.S. Goods

Products that are produced, manufactured, or assembled in the United States.

Foreign Capital Inflow

The entry of investment from external sources into a country, typically in the form of foreign direct investment (FDI), portfolio investment, or loans, contributing to economic development.