SQL Server Database Triggers & Procedures
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Project Budget$250 - $750 USD
Completed In3 days
I need a SQL Server database designer to review a new SQL database to get it ready for development. I need someone who is great at SQL server to go through my new database, review it, improve it, and get it ready for development. This should take a few hours work. Specifically:
a) Create 3 procedures (and assign to calculated columns in the table) to calculate totals for three tables using their sub table totals: Tour, Bookings, and Passengers
b) Create triggers on 9 tables with a [Status] column, so that when the [Status] is updated, the corresponding [Status Date] column is set to current timestamp
c) Create views for core tables linking the foreign tables (Tours, Bookings, Passengers, Sales, Stock, Agents, Ticket,Stock)
I also need a general review and suggestions on changes to improve the database, including but not limited to
d) Review the indexes on each table and ensure best practice and good designs
e) Review the data types, relationships and general setup
You should record the SQL you propose to change the database so I can execute it on my copy and review your suggest changes. I also want an email explaining what changes you would recommend and why.
I will provide a zip file of a SQL Server 2012 backup. It's a new database without any real data and is around 1mb in size. You can just send it back to me updated.
Database structure overview
Tour > has Bookings > has Passengers > has Sales
Booking > has Payments
The logic for the procedures to calculate totals is very simple, something like follows (excuse poor SQL, this is why I need your help, but the general gist is here):
Passenger.[Calculated Total] = [Passenger].[Ticket Price] + SELECT SUM([Sale Total]) FROM Sale WHERE Passenger.[Passenger ID] = Sale.[Passenger ID]
Booking.[Calculated Total] = SELECT SUM(Passenger.[Calculated Total]) FROM Passenger WHERE Passenger.[Booking ID] = Booking.[Booking ID]
Booking.[Calculated Payment] = SELECT SUM(Payment.[Payment ID] = Booking.[Booking ID]
Tour.[Calculated Total] = SELECT SUM(Booking.[Calculated Total]) FROM Booking WHERE Booking.[Tour ID] = Tour.[Tour ID]
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