The largest organizational unit houses the next smaller unit, which holds all the participating materials. The database is set up in a similar manner. Unless your supervisor's supervisor is the CEO or director, you need to pass through middle or upper management first. If you have a problem with your direct supervisor, you most likely need to follow the chain of command to file a complaint. They oversee some sort of middle-management, who in turn oversees the general lower level workers. Below that person is some sort of upper-management.
Companies and agencies are overseen by a director or CEO.
An example of a top-down structure is how the company or agency you work for is (most likely) set up. The database uses a structure where the highest organizational item is the largest unit, which allows a cascading organization in regards to size. They are based on paper storage and organizational methods, but the computer, as we know makes it all so much faster and more efficient. The database is a method of storing related objects on the computer. A relational database is an electronic storage container. Let's take a minute to look at all of those parts one at a time.
Simply put, a relational database is an electronic storage container with a top-down structure in which the items contained are related to each other and that relationship allows for the data to be quickly and efficiently queried and retrieved for use. If we want to understand what a geodatabase is, we need to first understand what a relational database is. This means ArcGIS works like a relational database in order to store, organize, edit, and analyze data. ArcGIS is an example of a relational database management system (RDMS) utilizing geodatabases - a specific kind of relational database.
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