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SQL Assignment
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Some vendors' versions of SQL have proprietary extensions (i.e. additional functionality) not found in standard SQL. Describe why you think this is done. Then, explain, in your view, what the advantages and disadvantages of doing this are, and if you think it a good idea for end users (developers, DBAs, etc.) to use these extensions. In addition to this, analyze how SQL differs from a programming language with which you are familiar. Explain your general opinions of SQL thus far, and classify it as easy or not, and as useful or not.
Based upon the contents of the BOOKS table, which of the following SQL statements will display the retail price for two copies of each book currently in inventory?
1) Add 10 customers to the database using the Customers table. Show the table, including the SQL Code.2) Using SQL query, update more than one element in a customer record. Show before and after data, including the SQL code.
Oracle General SQL Exercise
Implement the initial database design for the Customer Relationship Management VIEW as described below in your selected RDBMS. You need to create the Entity-Relationship model from your normalization and Database analysis, define tables, primary k..
Part 1: Design a data model that will conform to the following criteria: Question 1: a) Propose an efficient data structure that may hold the tour operator's data using a normalization process. Describe each step of the process that will enable yo..
Write a script that creates and calls a function named fnDiscountPrice that calculates the discount price of an item in the OrderItems table (discount amount subtracted from item price). To do that, this function should accept one parameter for th..
Ensure that when a employee is selected, any text area is cleared and the new employee data is displayed
Write an SQL select statement against the comments table in your database and display each row properly formatted on the main tree page. The most recent comment should be displayed first. All user comments should display under the tree like:
Write a perl subroutine for temperature conversion named 'convert_temp'. It should be able to handle both Fahrenheit to Celsius conversions as well as Celsius to Fahrenheit conversions.
Comment on any changes you made to the Relational diagram before mapping the final DDL script. Discuss why you had to make these changes (1 page maximum).
Determine all Letter and Person that have value over 1000. Use sub query - Show results sorted by letter in ascending order and person in descending.
Find the most classes taken by students and Find the facility by facility id who teach math class and display the student's ID for all students enrolled in math course by Byrne.
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