Which Symbol Is Used in Standard SQL as a Wildcard

question 77

Multiple Choice

Which symbol is used in standard SQL as a wildcard to represent a series of one or more unspecified characters?

• A) percent sign %
• B) exclamation mark !
• C) underscore _
• D) question mark ?
• E) semi-colon ;

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Definitions:

Margin

The difference between the cost of a product and its selling price, or the difference between any two indicators in finance.

Productivity

A measure of the efficiency of production, often quantified as the ratio of inputs to outputs in the creation of goods and services.

Economic Analysis

The systematic approach to determining the most efficient use of resources, which includes researching, analyzing, and applying economic theories and practices.

Marginal Physical Product

The additional output produced by employing one more unit of a specific factor of production, keeping other factors constant.