Attributes and Primary Keys of the ERD Coursework

Traits and Primary Keys of the ERD - Coursework Example SoniDream is the organization, framing one of the elements. Inside it, there a few different elements, got from their different properties. I, along these lines, consider how every one of the accompanying has various qualities from the other (Moreira et al. 2013, p.455). Â The organization, with the primary office headquartered in London. An organization as a substance must have properties, for example, physical area. For this situation, its physical location in London. An organization should likewise have the individuals who run it. Utilizing this information, I distinguished individuals from staff who fall into various classifications and assume various jobs. They incorporate studio directors, sound specialists, and van drivers. Â Recording studios circulated over various pieces of London. Studios are fixed elements and must, subsequently, have their physical areas. For this situation of the studios are in London and the other 8 are situated in various pieces of the UK. Â Equipment utilized in the studio is an element and must be contained various pieces. For this situation, they included recorder, blending work areas, studio screens, controllers, receivers, converters, instruments, and other music extras. The various substances are joined by various connections. Â 3. I distinguished the primary relationship types for SonicDream utilizing a various leveled request. A relationship type is a relationship between at least two substance types. Relationship types may relate an element type with itself. In such a case the jobs of the substance types in the relationship type will be recorded on the edges like appeared in the ERD partially 1.