A table schema field record is a record in a database that contains a single piece of information. O key

A Document Store is a suitable replacement for a Relational Database for a variety of reasons.

Describe the use of a data dictionary and the information it contains.

Explain the concept of database indexing and its impact on performance.

It's possible to build a database using either a relational or an object-oriented approach.

Table size is reduced by deleting columns that meet particular criteria in a relational database.There are two ways to look at it.

In the context of database transactions, is a property that ensures that once a transaction is committed, its effects are permanent.

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.

Describe the use of a data dictionary and the information it contains.

SportTech Events. SportTech Events SportTech Events puts on athletic events for local high school athletes. The company needs a database designed to keep track of the sponsor for the event and where the event is located. Each event needs a description, date, and cost. Separate costs are negotiated for each event. The company would also like to have a list of potential sponsors that includes each sponsor’s contact information, such as the name, phone number, and address. Each event will have a single sponsor, but a particular sponsor may sponsor more than one event. Each location will need an ID, a contact person, and a phone number. A particular event will use only one location, but a location may be used for multiple events. SportTech asks you to create a Conceptual Entity Relationship Diagram from the information described above.