Table 1: the order table, including the following fields:
The order no. : the primary key
The goods number: foreign keys
Customer number: foreign keys
Quantity of the goods
Plan the delivery time
The actual delivery time
Table 2: the goods table
The goods number: the primary key
Goods name:
The unit price:
Inventory quantity: initialization time are set to 100
Table 3: the customer table
Customer number: the primary key
The customer name
Whether the VIP customers
2, write a winform program to implement the following function (note the key conflict) :
Three 1, delete the data in the table,
2, imported from three excel file initialization data to three tables,
3, through the program to order three data table, (use transaction control data consistency)
4, calling a stored procedure, the input parameters for the delivery time and the actual delivery time, query the failed to timely delivery of the order information (delivery time is greater than the actual delivery time plan, display field below), and export to excel file:
Order no., user id, user name, name of commodity, quantity of the goods, plan the delivery time, the actual delivery time,
Three 1, delete the data in the table,
2, imported from three excel file initialization data to three tables,
3, through the program to order three data table, (use transaction control data consistency)
4, calling a stored procedure, the input parameters for the delivery time and the actual delivery time, query the failed to timely delivery of the order information (delivery time is greater than the actual delivery time plan, display field below), and export to excel file:
Order no., user id, user name, name of commodity, quantity of the goods, plan the delivery time, the actual delivery time,
Be specific detailed process and code, thank you, 973912032
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