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| Entity | Attribute Name | Description | Data Type and Length | Nulls | Multi-valued |
| Customer | CustID | The unique value for identifying row | 4 Fixed character | No | No |
| Name | The name of the customer | 20 Variable Character | No | No | |
| Address | The address of the customer | 30 Variable Character | No | No | |
| Contact | The contact number of the customer | 10 Variable Character | No | No |
| Entity | Attribute Name | Description | Data Type and Length | Nulls | Multi-valued |
| Ticket | TicketNo | The unique value for identifying row | 4 Fixed character | No | No |
| IssueDate | The date of car parking entry | 20 Variable Character | No | No | |
| IssueTime | The time of car parking entry | 30 Variable Character | No | No | |
| IssueMachine | Machine from which the ticket was issued | 10 Variable Character | No | No |
| Entity | Attribute Name | Description | Data Type and Length | Nulls | Multi-valued |
| Parking Spaces | Space Number | The unique number for defining all the rows | 4 Fixed character | No | No |
| SpaceQuantity | The total amount of space available | 4 Fixed character | No | No | |
| OccupiedSpace | The total used space currently | 20 Variable Character | No | No | |
| LeftSpace | Total remaining space | 30 Variable Character | No | No | |
| Isfull | The car parking space is full | 2 Fixed Character | No | No |
| Entity | Attribute Name | Description | Data Type and Length | Nulls | Multi-valued |
| Tariff | TariffCode | The unique value for identifying row | 4 Fixed character | No | No |
| StartTime | The date of car parking entry | 20 Variable Character | No | No | |
| EndTime | The time of car parking entry | 30 Variable Character | No | No |
| Entity | Attribute Name | Description | Data Type and Length | Nulls | Multi-valued |
| Fault | FaultID | The unique value for identifying row | 4 Fixed character | No | No |
| Date | The date of fault occurrence | 20 Variable Character | No | No | |
| Time | The time of fault occurrence | 30 Variable Character | No | No | |
| Description | The equipment name and description of the fault | 255 Variable Character | No | No |
| Entity | Attribute Name | Description |
| Customer | CustID | The unique value for identifying row |
| Name | The name of the customer | |
| Address | The address of the customer | |
| Contact | The contact number of the customer |
| Entity | Attribute Name | Description | Data Type and Length |
| Ticket | TicketNo | The unique value for identifying row | 4 Fixed character |
| CustID | The primary key of customer entity | 4 Fixed character | |
| IssueDate | The date of car parking entry | 20 Variable Character | |
| IssueTime | The time of car parking entry | 30 Variable Character | |
| IssueMachine | Machine from which the ticket was issued | 10 Variable Character | |
|
| Type | There are three types of season ticket holder | 10 Variable Character |
|
| StartMonth | The starting month of the season ticket | 10 Variable Character |
|
| EndMonth | It is the ticket validity ending month. It is a derived attribute | 10 Variable Character |
|
| SpaceNumber | The space number of the parking which is allocated to the season ticket | 4 Variable Character |
Coronel, C. and Morris, S., 2016. Database systems: design, implementation, & management. Cengage Learning.
Hernandez, M.J., 2013. Database design for mere mortals: a hands-on guide to relational database design. Pearson Education.
McCreary, D. and Kelly, A., 2014. Making sense of NoSQL. Shelter Island: Manning, pp.19-20.
Yin, R.K., 2013. Case study research: Design and methods. Sage publications.
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