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Given a list containing Province, CustomerName and SalesValue (sorted by Province and CustomerName), describe an algorithm you could use that would output each CustomerName and SalesValue with the total SalesValue per Province.
Identify which data components are the entities and attributes, and the relationship between each using an object representation diagram through the use of graphical tools such as Microsoft Visio, or an open source alternative such as Dia.
Write a script that provides all of the information in, and duplicates the formatting of, Oracle's SQL*Plus describe command. Additionally, the output should add the comments on the rows.
A is an ArrayList of size N. The elements of A are integers, they are in sorted order increasing from the low end of the array, and no two integers are the same. Variable x is an integer. Which of the following operations takes time that is less t..
For Assignment week 1, answer the following questions. Save your answer to a word document on your desktop (please save as word 2003 format), and submit your results.
Write PL/SQL block which displays last name and salary of following people. Each of these can be done separately as PL/SQL, first to test and get output lines.
Write down a SQL insert statement to insert new row in "CDS" table.
The patient information along with the ID of any prescribing doctor for each patient and the prescription information along with patient name, DOB, medication brand name, and prescribing doctor name sorted by most recent date.
Write SELECT statement which returns those rows with the balance due greater than 1000. Sort result set by InvoiceTotal, with largest invoice first.
How does the order of joins in an SQL statement affect the performance of the join and what can the DBA do to determine the preferred order of joins for an SQL statement that includes the join of at least three tables?
Credit will be given to queries that are not trivial, for example, "SELECT * FROM Tablename" is unlikely to gain more than one mark. SQL Developer can be used to produce the queries and populate the tables.
Write the command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order.
Write SQL statements to create the above tables using SQL DDL statements. Write an INSERT statement to add two new records to each table.
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