1. What is a GIS? O A geospatial information software that provides tools to answer questions and make decisions O A geographic information system that provides tools to find, use, create, and share geographic information to answer questions and make decisions O A geographic information system made up of three components: data, software, and workflows O A geographic information source that only provides geographic information 2. The three' components of a location query include the location relationship, the attribute field, and the layer containing the related features. O True O False 3. Running ArcGIS Desktop on your PC would be an example of using which components of a GIS? (Choose two.) O Hardware O Workflows O People O Software

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A: Lets see the solution.

Q: create a single ER diagram

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A: Answer is attached in below step.

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A: primary key is a key which uniquely identifies rows . It don’t contain any null value.

Database management

Database management allows people to store, retrieve, and organize data from a computer. Database management defines the data operations, storage, and security practices of the database administrators throughout the data life cycle. Database management involves supporting, designing, and implementing the stored data to maximize its value.