Question: CLAGs relation schema with entry for normalization analysis 1 Person(PersonId, LName, FName, Phone, Email, Address, City, State, Zip) Candidate Keys [1] PersonId Foreign Keys Nullable
CLAGs relation schema with entry for normalization analysis
| 1 | Person(PersonId, LName, FName, Phone, Email, Address, City, State, Zip) | ||
| Candidate Keys | [1] PersonId | ||
| Foreign Keys |
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| Nullable Attributes | Phone, Email, Address, City, State, Zip | ||
| Notes |
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| Normalization Analysis | FD: Highest NF: | ||
| 2 | Owner(OwnerId, SSN, EMail_2, PersonId) | ||
| Candidate Keys | [1] OwnerId, [2] PersonId, [3] SSN | ||
| Foreign Keys | [1] PersonId references Person(PersonId) | ||
| Nullable Attributes | EMail_2 | ||
| Notes | [1] The surrogate key OwnerId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 3 | Artist(ArtistId, Description, ArtistStatement, PersonId) | ||
| Candidate Keys | [1] ArtistId, [2] PersonId | ||
| Foreign Keys | [1] PersonId references Person(PersonId) | ||
| Nullable Attributes | Description may be nullable, depending on the assumption made. | ||
| Notes | [1] The surrogate key ArtistId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 4 | Customer(CustomerId, Loyalty, Comment, PersonId) | ||
| Candidate Keys | [1] CustomerId, [2] PersonId | ||
| Foreign Keys | [1] PersonId references Person(PersonId) | ||
| Nullable Attributes | Possibly Comment, depending on the assumptions made. | ||
| Notes | [1] The surrogate key CustomerId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 5 | Style(StyleId, Style, Description) | ||
| Candidate Keys | [1] Style, [2] StyleId | ||
| Foreign Keys |
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| Nullable Attributes | Description | ||
| Notes | [1] The surrogate key StyleId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 6 | ArtistStyle(AS_Id, ArtistId, StyleId) | ||
| Candidate Keys | [1] AS_Id, [2] ArtistId, StyleId | ||
| Foreign Keys | [1] ArtistId references Artist(ArtistId), [2] StyleId references Style(StyleId) | ||
| Nullable Attributes |
| ||
| Notes | [1] The surrogate key AS_Id is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 7 | ArtifactType(AT_Id, ArtifactType, Description) | ||
| Candidate Keys | [1] AT_Id, [2] ArtifactType | ||
| Foreign Keys |
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| Nullable Attributes | Description | ||
| Notes | [1] The surrogate key AT_Id is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 8 | ArtifactTag(TagId, Tag) | ||
| Candidate Keys | [1] TagId, [2] Tag | ||
| Foreign Keys |
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| Nullable Attributes |
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| Notes | [1] The surrogate key TagId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 9 | SaleType(ST_Id, SaleType, Description) | ||
| Candidate Keys | [1] ST_Id, [2] SaleType | ||
| Foreign Keys |
| ||
| Nullable Attributes | Description | ||
| Notes | [1] The surrogate key ST_Id is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 10 | Artifact(ArtifactId, Title, Description, ListPrice, BaselinePrice, OwnerId, PrimaryArtistId, SaleTypeId, AT_Id, StyleId) | ||
| Candidate Keys | [1] ArtifactId | ||
| Foreign Keys | [1] OwnerId references Owner(OwnerId), [2] AT_Id references ArtifactType(AT_Id), [3] ST_Id references SaleType(ST_Id), [4] StyleId references Style(StyleId), [5] PrimaryArtistId references Artist(ArtistId). | ||
| Nullable Attributes | Description, OwnerId, PrimaryArtistId, | ||
| Notes | [1] The surrogate key ArtifactId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 11 | ArtifactTag(ATag_Id, ArtifactId, AT_Id) | ||
| Candidate Keys | [1] ATag_Id, [2] ArtifactId, AT_Id | ||
| Foreign Keys | [1] ArtifactId references Artifact(ArtifactId), [2] AT_Id references ArtifactTag(AT_Id) | ||
| Nullable Attributes |
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| Notes | [1] The surrogate key ATag_Id is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 12 | SecondaryCreator(SC_Id, ArtifactId, ArtistId) | ||
| Candidate Keys | [1] SC_Id, [2] ArtifactId, ArtistId | ||
| Foreign Keys | [1] ArtifactId references Artifact(ArtifactId), [2] ArtistId references Artist(ArtistId) | ||
| Nullable Attributes |
| ||
| Notes | [1] The surrogate key SC_Id is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 13 | SaleItem(SaleItemId, SalePrice, Comment, ArtifactId, SaleId) | ||
| Candidate Keys | [1] SaleItemId | ||
| Foreign Keys | [1] ArtifactId references Artifact(ArtifactId), [2] SaleId references Sale(SaleId) | ||
| Nullable Attributes | Comment | ||
| Notes | [1] The surrogate key SaleItemId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
| 14 | Sale(SaleId, SaleTime, Comment, TotalPrice, CustomerId) | ||
| Candidate Keys | [1] SaleId | ||
| Foreign Keys | [1] CustomerId references Customer(CustomerId) | ||
| Nullable Attributes | Comment | ||
| Notes | [1] The surrogate key SaleId is created as the primary key. | ||
| Normalization Analysis | FD: Highest NF: | ||
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