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An Entity-Relationship (ER) model is commonly referred to as a semantic data model. It focuses on defining the entities, attributes of the entities, and the relationships between entities to capture the meaning of data in a domain. This model helps to visualize and understand the semantics of the data being represented.
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When a data field is private it is said to be?
When a data field is private, it is said to be accessible only within the class where it is defined. Other classes cannot access or modify it directly. This helps to maintain data encapsulation and restrict external interference with the data.
An attribute has what?
An attribute is a characteristic or feature that describes an object, entity, or phenomenon. It provides information about the object, such as its properties, qualities, or states. In data modeling, attributes are used to define the structure and properties of data elements in a database or system.
What is View Serializable in DBMS?
View Serializable is a correctness criterion in database management systems that ensures that the final result of executing concurrent transactions is the same as if they were executed one after the other. This property helps maintain data consistency and ensures that the database remains in a consistent state despite concurrent transaction execution. Transactions are said to be view serializable if their interleaved execution produces the same results as if they were executed sequentially.
What are the methods for collecting primary data?
Some methods for collecting primary data include surveys, interviews, observations, experiments, and focus groups. Surveys involve asking a series of questions to a sample of individuals. Interviews involve direct conversations with participants to gather information. Observations involve watching and recording behavior in natural settings. Experiments involve manipulating variables to test cause-and-effect relationships. Focus groups involve group discussions to gather insights on a specific topic.
What is Biometric Identification system for ACCESS (BISA) information is stored on?
According to the US biometric military task force, biometric capabilities enabled US troops to capture more than 400 "high value individuals" in Iraq and Afghanistan in 2008. Assistant director of the task force Lisa Swan said: " very well we catch the bad people. " After several years of compiling large biometric databases containing credentials for more than 2.5 million Iraqis, US Military has been connected to technology. Fingerprints and irises are checked against the Biometric Verification or iron of the persons being requested before Iraq is allowed to pass through the checkpoints or to enter other facilities.
What is qualititive research?
data from which statistics cannot be formed e.g. if your data is written answers/comments by people, this is qualitative data because all the answers are different, so you can't form statistics from them. However if your data is from [for example] a questionnaire and your data is split into how many said yes and how many said no, then this is quantitative data because you can split the data into '28% said no and 72% said yes' etc.
What is gap in math?
Gap involves using graphs and line plots. The gap is a piece of data with no data in it between two pieces of data with data in it(there can be more than one gap between data pieces) For example, say people were being asked about their favored color. Out of ten people, 3 said yellow, 0 said orange, 4 said blue, and 3 said green. Orange would be the gap in the data.
When a data field is private it is said to be?
When a data field is private, it is said to be accessible only within the class where it is defined. Other classes cannot access or modify it directly. This helps to maintain data encapsulation and restrict external interference with the data.
What services do the data mining company provide?
Data Mining companies provide such services as mining for data and mining for data two electric bugaloo. They will often offer to resort to underhanded tactics to mine said data.
What is it called when data or a file resource that is immediately available?
A data or file resource that is immediately available is said to be: Online or a online data or file resource.
What is a set of data gathered?
A set of data that has been gathered and organised, could be said to be a database or a dataset.
When data is recorded in two or more independent files the data is said to be what?
mirrored (if duplicated) or striped (if split)
You have renamed your file names on your psp game save data how do you get the data back?
Rename the game save back to what it was. If you cannot remember, save the old data to your computer, then make new save game data of said game and rename your old data to the new save data's name.
What are some of the characteristics of enterprise data?
Some of the characteristics of enterprise data include the ability to create precise data, as well as the ability to quickly and efficiently retrieve said data. This can apply to both applications and communication.
What does the Unix command 'dd' stand for?
dd is an abbreviation for "data definition." It is often jokingly said to stand for "destroy data."
Who said errors using inadequate data are much less than those using no data at all?
yoggi berra
Does Pokemon GO use a lot of data?
No it has been determined that an hour of use on Pokemon GO uses about 12 MB of data. Compared to GB this is a very minimal use of your data. It is said that your phone battery will go quicker than your data plan.
