Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Merely possessing knowledge of the variable's "type" may result in a lack of adequate information. Each variable is characterized by several distinct characteristics and types of data. Please provide a specific example that can be used to demonstrate how this concept can be employed to characterize a particular variable?
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- The definition of a variable must contain not just the variable's name, but also its "type" and "additional attributes." That is to say, all variables have characteristics beyond just their data type. Explain in further detail the idea that will eventually let us describe any variable with greater precision.arrow_forwardInsufficient information is provided by the 'type' keyword when defining a variable. Variables are distinguished by their data type and other characteristics. The question now is how to put this idea to work in order to convey the characteristics of any variable.Insufficient information is provided by the 'type' keyword when defining a variable. Variables are distinguished by their data type and other characteristics. The question now is how to put this idea to work in order to convey the characteristics of any variable.arrow_forwardHow do variables and attributes differ in three paragraphs?arrow_forward
- In order to define a variable correctly, "type" alone is insufficient. Every variable has its own unique set of properties, including the data type that corresponds to that variable specifically. How can we then apply this concept, which allows us to describe the characteristics of any variable?arrow_forwardIt is not enough to just name a variable; the definition must additionally provide the variable's "type" and "extra characteristics." To reiterate, each variable is distinguished from others by characteristics that are independent of the data type. We would be really appreciative if you could explain the idea that would enable us to exactly describe any given variable.arrow_forwardIf adding a data object to a data model isn't recommended, why is that the case?arrow_forward
- The "type" of a variable does not provide sufficient information to fully understand its characteristics. The information and characteristics of each variable are unique and separate from one another. Please provide an example of a variable that you believe could be described using this concept.arrow_forwardPractice Programming Planning Problems using Object Oriented Design– Outline the classes and relationships and describe the programming process for an "automatic meeting scheduler using inputs from a calendar database." Use a simplified version of Unified Modeling Language class diagram. You are not writing the code for this, just the design and the algorithm.arrow_forwardA variable's definition must include its "type" and "extra characteristics" as well as its name. To clarify, all variables have non-data type-specific traits. Explain how to correctly describe any variable, and we'll be forever thankful.arrow_forward
- Besides its name, a variable's definition must include its "type" and "additional features." To clarify, all variables have non-data type-specific traits. Explain how to precisely characterise any variable, and we'll be forever thankful.arrow_forwardA variable's description must include not only its name, but also its "type" and "additional attributes." Every variable has more than one type of data. If you can describe the idea, we'll be able to describe any number better in the future.arrow_forward
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