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It is fairly common for the conference organizers to change the planned location or start datetime of a talk as the conference date gets nearer. How would you change the logical schema for the conference database so that if this happens, then the changes to the Talk table will automatically be passed on to all other affected tables? Give SQL code that does this.

Which of the following data themes is commonly found in national and global datasets? 

Let’s suppose you’re working on secondary data, and you see -120.54927 in the source attribute table, in what format is this data?

Which of the following is a type of Global Navigation Satellite System (GNSS)? 

Which of the following web services provides vector data for analysis? 

Which of the following activities can take advantage of a GIS?

Explain the difference between the tools of Selection by Location and Spatial Join in ArcGIS.

According to our raster data discussion, the smallest element of an image is called_____________

What is the standard language used to interact with relational databases? 

A field that uniquely identifies records in a table is called a: