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Machine Maintenance Database This database supports ABLE Manufacturing, in particular its machine maintenance department. The VENDOR table lists the vendors who sold machines to ABLE.
Machine Maintenance Database This database supports ABLE Manufacturing, in particular its machine maintenance department. The VENDOR table lists the vendors who sold machines to ABLE. The MACHNE table lists the machines ABLE has to maintain, including the standard cost for a hour of maintenance on that machine. The EMPLOYEE table lists employees who maintain these machines. The MAINTENANCE table lists each maintenance on a machine, including which employee did it, the hours the taken, and the hours the machine was unavailable for production. Logical Relations VENDOR (VendID, VendName, VendPhone) EMPLOYEE (EmpNum, EmpName, EmpMaintStartDate) MACHINE (MachID, VendID, MachModel, MachPurpose, DatePurchased, MachExpectedYears, MachHoulryMaintCost) MAINTENANCE (MaintID, MaintDate, EmpNum, MachID, SchedUnsched, MaintHours, UnavailHours) Physical DB Download the MS Access Database MachMaint.accdb n the input field below, write an SQL query that lists the id and purchase date of all machines and nformation about each time a machine was maintained including the maintenance date, whether the naintenance was scheduled or unscheduled, and the cost of the maintenance (hourly cost for that nachine multiplied by the number of hours the maintenance took)
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