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What separates the physical aspects of data storage from the logical aspects of data representation?
A schema separates the physical aspect of data storagefrom the logical aspects of data representation.
What is data refinement?
Data refinement is the process of transforming a set of abstract data items into a more detailed and concrete representation. It involves refining the initial data specification by adding more specific details or attributes to meet the requirements of a system or application. This helps in creating a more accurate and detailed representation of the data that can be used effectively in software development or data analysis.
Meaning of external representation of data?
External representation of data refers to how information is presented or encoded in a format that can be accessed or understood by users or systems outside of its original source. This can include visual representations, such as graphs, charts, or tables, as well as file formats, such as PDFs or spreadsheets, that allow for sharing and manipulation of the data.
Is a logical unit of data and is a physical unit of data?
A logical unit of data is a virtual representation of data while a physical unit of data is the actual storage of data on a physical device. The logical unit of data is how data is organized and manipulated from a software perspective, while the physical unit of data is how data is stored on hardware such as disks or memory.
When an E-R diagram is mapped to tables the representation is redundant for?
One-to-many relationships. In the table representation, the many-side entity will have repeated data related to the one-side entity, causing redundancy. By normalizing the tables, this redundancy can be reduced.
What is the chart that is a representation of the data in a worksheet?
What is the visual representation of worksheet data?
What is the term for a visual representation of data?
The term for a visual representation of data is a data visualization.
Is diagram the visual representation of data in Excel?
A chart is a visual representation of data in Excel.
What did you mean by data representation explain it briefly?
Data is information that is interpreted by a collection (Representation) of explanatory words or symbols. A simple explanation is a 60mph sign at the side of the road. The figure 60 is the data while the sign embossed with 60 is the representation informing you of that which you need to know. Traffic lights are a representation that tells you by the data of different colours what you you need to know. @ is a representation of the data "at"
What separates the physical aspect of data storage from the logical aspects of data representation?
A schema separates the physical aspect of data storagefrom the logical aspects of data representation.
What is Data representation?
Data representation is defined as the various methods that that used to show information. Various mediums like computers are used to represent data.
What is a graphical representation of data?
A chart is a graphical representation of data, in which the data is represented by symbols, such as:bars in a bar chartlines in a line chartslices in a pie chart
What is a data chart?
A chart is a visual representation of data. You store your data in charts.
A pictoral representation of data?
graph
Pictorial representation of data?
chart
What a visual representation of data?
chart
What is marshalling and Demarshalling?
data marshalling in java means that the structured data item is flattening and converted into external representation data demarshalling is the process of convert the data back to the internal representation and rebuild the data structures.
