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"Relational Set Operators" Please respond to the following:
A relational Database Model allows database users to analyze data thoroughly. To accomplish this, advanced commands such as UNION and INTERSECT may be used. Describe a business scenario where a UNION relational set operator may be used to merge two similar data sets. Within the context of your business scenario, analyze the analysis and data consistency advantages of using a UNION operator rather than simply merging two data sets into one result table. Suppose you are tasked with finding common data elements amongst various data sets. Specify how an INTERSECT operator may assist you in accomplishing this task. Construct a query that can perform the same function as the INTERSECT operator without using the "INTERSECT" syntax within the query. Note: The Strayer Oracle Server may be used to test and compile the SQL Queries developed.
"Advanced SQL and PL / SQL" Please respond to the following:
Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response.
A good IT professional is able to be versatile in SQL programming styles. Identify at least two possible advantages of utilizing PL / SQL instead of standard SQL Syntax. Explain whether either syntax provides enhanced code processing capabilities with examples. Note: The Strayer Oracle Server may be used to test and compile the SQL Queries developed
after a shopper completes the ordering process a procedure is called to update the following columns in the basket
Write a command that will remove the Jones that lives in Orange from the Customer table .Write the SQL DDL to create the database that contains each of the relations shown in the above ERD.
Display the structure details for which the smallest total billable activity (time) has been performed in the last month - Display details of all employees (number, name) for whom billingrecords have been created when they are not identified as havi..
Prior to the adoption of SQL as a standard by the American National Standards Institute (ANSI), each database management system (DBMS) had its own unique command language and syntax. SQL was adopted as an ANSI standard in 1986. The International S..
Write and test functions that return summation of all the numbers (items) in the list. Write a recursive function that returns the summation of all the numbers in the list.
Learning Objectives: The purpose of Project 3 is to enable the students to gain extensive experience with using SQL to design and query databases.
Write PL/SQL procedures and functions to populate and query that database
Write given queries in SQL and relational algebra: Determine cities from which one can fly to Toronto with one change of planes, and using same type of the aircraft for both legs of trip.
Use the data on the Christensen worksheet in the range A1:J19 to create a PivotChart on a new sheet. Use the Type, Issue Price, and Est. Value fields and the default locations. Find the average issue price and average estimated value.
Display all the LastNames from the Customers table and any associated OrdersIDs from the Orders Table. Show the LastName even if they do not have any associated orders. Order the results by LastName in ascending order.
Global Car Club (GCC) is a small individually owned club which loans cars to its members. GCC first formed in 2009; has over more than 100 good mixes of members and counting.
Write a query that will list the part number, part description, and on-hand value (units on hand * unit price) for each part in item class AP. Give the expression an alias of "On Hand Value".
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