A hierarchical form has three options for transaction boundaries.
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A hierarchical form has three options for transaction boundaries.
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- Computer Science design a RELATIONAL SCHEMA not an ERD for the following A job-shop accounting system is part of an organization that manufactures special-purpose assemblies for customers. A customer has a unique name, an address, and a category (an integer number from 1-10). A customer can order several assemblies. Each assembly is identified by a unique assembly-id, and has a date-ordered, and assembly-details. To manufacture assemblies, the organization contains a number of processes, each of which is identified by a unique process-id and is supervised by one department. Each department has its own department number and department-data. Each process also has process-data. Processes are classified into three types: paint, fit, and cut. The following information is kept about each type of process: Fit: fit-type Paint: paint-type, painting-method • Cut: cutting-type, machine-type During manufacture an assembly can pass through any sequence of processes in any order; it may pass through…Using a graphics program, develop an entity-relationship diagram for a database application for an Internet bookstore where students buy textbooks from a salesperson and receive invoices for their purchases. Use Figure 5.5 as a guide.Explain the difference between static and dynamic data structures.
- Please need help to explain the Process of DiagramThe Driver Relationship considered that working on both DRIVERS and ACTIVE_DRIVERS tables is difficult and too much work. Therefore, the team wants you to remove the table for the active drivers.DATABASE MANAGEMENT Design an EER diagram for a database used to manage a racket sport association (for example, US Tennis Association). The following is a list of simplified requirements. Each member of the sport association has an id, a name, sex, age, an address, a phone number. A member can be a player, an umpire (i.e., referee), a coach, or an officer (i.e. a member can belong to one or more of the above categories). An umpire has a type (i.e., national, international, etc.). A coach has a certificate (i.e., level I, II, etc.). An officer has an office (i.e., a room number such as 101 or 212 in the main building). Each club has a name, an address, an owner, and a phone number. Except for some officers, every member belongs to one or more clubs (Hint: Make relationships between the subclasses of “member” and club). A player can be a professional or an amateur (but not both). A professional player has a rank (such as 1, 2, etc. within the association), and a coach (Note: Every…
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