Two students want to enroll in a course with one place. What database feature prevents both students from earning the last seat?
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- Two students are registered for one course. Can both students get the last database seat?How can you have an Access Query field?Topic: Database Design It is possible to use NATURAL join, and there are some downsides to using this type of join. What are some of the downsides and provide at least 2 examples of why these types of joins should be avoided.
- Topic: Database Design Provide an example of a 3 table OUTER join. Explain how it works and what the order of of the joins is.When working with a relational database, a select operation may be used to reduce the amount of space used by a table by removing columns that meet certain requirements.Is this the right answer or the wrong answer?Database design Data Joins explain the difference between and outer and inner join. Use an example.
- In a sql database give an example of a search problem that will work with an inner join and will not work with an outer join. How would you write the query? Why does the search fail or succeed?While working with a relational database, a select operation may be used to prune unnecessary columns from a table, making it more manageable.Could it be real or false?How can self-joins be utilized effectively in relational databases?
- In a relational database, a select operation may reduce the size of a table by removing columns that don't meet a set of criteria.Is it right or wrong?A select operation in a relational database may prune unnecessary columns from a table, making it more manageable.What do you think?Database Foundations: Design a database to produce the following reports. Do not use any surrogate keys in your design. For each guide, list the guide number, guide last name, guide first name, address, city, state, postal code, telephone number, and date hired. For each trip, list the trip ID number, the trip name, the location from which the trip starts, the state in which the trip originates, the trip distance, the maximum group size, the type of trip (hiking, biking, or paddling), the season in which the trip occurs, and the guide number, first name, and last name of each guide. A guide may lead many trips and a trip may be led by many different guides. For each client, list the client number, client last name, client first name, address, city, state, postal code, and telephone number