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ICT704 Non Relational Database Systems

tag 2 Downloads 9 Pages / 2,046 Words tag 04-06-2021

Question:

Write and run SQL statements to complete the following tasks
Show sums of line units for each invoice.
Show the details of the products that do not have a value for the attribute v_code.
Show the details of the invoices whose subtotal is greater than 25 but less than 75.
Show the details of the invoice who has the minimum subtotal.
Show the codes and names of the vendors who supplied products.
Using EXCEPT show the codes of the vendors who did not supply any products.
Using ‘NOT IN’ show the codes and names of the vendors who did not supply any products.
List the codes of vendors and the number of products each vendor has supplied, i.e. vendor XXX has supplied xxx products, and vendor YYY has supplied yyy products etc.
List the names and codes of vendors and the number of products each vendor has supplied, i.e. vendor XXX has supplied xxx products, and vendor YYY has supplied yyy products etc.Show the details of the employees who are located in area code 615.Using inner join, list the details of the products whose line price is greater than 100.

You are required to submit:
1. The SQL statements for each query, which should be copied from your SQLite3 Command Line and pasted into your submission file. If you type .echo on at the SQLite3 Command Line, SQLite will output your SQL statement with the results of the query making it easy to copy and paste both.
2. The screenshots of the results of the SQL statements which are to be copied from your SQLite3 Command Line and pasted into your submission file immediately after you execute the SQL query. If you used an output file please submit only the output file.

SQL syntax returns all attributes that meet the business requirement from the tables that hold the data and applies the correct restrictions to retrieve the required information.SQL syntax returns all attributes that meet the business requirement from the tables that hold the data with minor omissions and applies appropriate restrictions to retrieve the required information.
 
SQL syntax returns key attributes that meet the business requirement from the tables that hold the data and applies relevant restrictions to retrieve the required information.SQL syntax returns key attributes that meet the business requirement from the tables that hold the data but the restrictions applied to retrieve the required information contain minor errors.
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