Stylish Shoes started operations as a small retailer of high-end footwear in Christchurch. Over the years, the business has expanded its network with branches across all major towns in the South Island. Although much has changed since the business started, one aspect that has not altered much is its documentation process, which uses a file system. An extract from the Stylish Shoes Sales file is presented below: Cust_name Cust_address Cust_phone Salesperson Shoe_mod Shoe_value Date Britney Micaw Michelle Burford 2 Abberley Cres 6 Fairway Drive 03 1234 5678 Tim VZ4717 $129.90 20-Jul-21 03 9876 4321 Cох DF3966 $79.50 30-Jul-21 Phillipa Musick 8 Akaroa Street 03 5678 3456 Miller WE9447 $150.30 4-Aug-21 Devine Smith 3 Glade Avenue 03 2376 1048 Jeffrey XC8187 $145.50 6-Aug-21 There has been a change of management at the company, and the new Sales Manager Hannah King is keen to move the company's sales documentation from a master file to a database system. To convince the senior management team of the importance of using a database system, she needs to provide evidence of the limitations of a file system as well as the benefits a database system can offer. Required: You have been contacted by Hannah for your help with the following: Explain how a relational database system works AND discuss TWO problems that could be associated with large tables like those used by Stylish Shoes under a file-based legacy system. Link the problems you discuss to the Stylish Shoes example to help Hannah make her case for changing to a dotobocO Cuctom