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Show the unix/linux commands that you would use to create a 7x7 matrix of alternating entries of 1's and 0's. It should look like this: 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
Commands available for use:
ps
tail
sort
cat
grep
head
yes
fmt
Create the detail report which will display all SCR courses in alphabetical order, with a course name and instructor name in the group header.
Write PL/SQL procedures and functions to populate and query that database
Write a SQL statement to display the Major of the student with no duplications. Write a SQL statement to display the First and Last name of students who live in the Zip code 88888.
Write a PL/SQL block that displays the last name and salary of the following people. Each of these can be done separately as PL/SQL, first to test and get the output lines then encapsulated in the procedure.
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..
Give a good decomposition for R = (A,B,C,D,E ) with the following functional dependencies:
Write SQL statement which creates stored procedure with one int input parameter. Stored procedure selects supplierId field and total of all Count field values for each group of supplierId's from Part table.
If the value for the ListPrice column is a negative number, the stored procedure should raise an error that indicates that this column doesn't accept negative numbers. Similarly, the procedure should raise an error if the value for the DiscountPer..
Code SQL statements to update view as follows: change spelling of Mark Tobey to Mark Toby. Design new Transaction for Mark Toby. Suppose you have essential transaction, work, and customer data.
Write down SQL needed to create employee table containing the following data: employeeID, text, length of 5, primary key lastName, text, length of 25
What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?
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.
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