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The newspaper had added a special deal for the classified ads online. For a small fee, the words "BEST BUY" are added to the text of the ad, and these ads are listed on a special "Best Buy" page online. The online classified section has a query to bring up all the ads that qualify, but it runs very slowly. Here is the query.
SELECT AD_TEXT, AD_NOFROM CLASSMATE.CLASSIFIED_ADWHERE INSTR(AD_TEXT, 'BEST BUY') > 0
Create an index that will be used for this query and therefore speed up its response time. Save your SQL in a file.
Write the SQL below that would display all Customers whose first name begins with the letter J. Your query should display the FirstName, LastName, Phone, and MembershipStatus fields from the tblMember table.
As a network administrator, what do you think are the most important considerations when selecting network hardware? Why?
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..
List the SQL commands you will use to create your database tables. Note: Be sure that each table has at least ten records that you create so you will be able to produce reports later on.
1. Write a SQL statement to display Student's First and Last Name. 2. Write a SQL statement to display the Major of the STUDENT with no duplications. Do not display student names. 3. Write a SQL statement to display the First and Last Name of studen..
Roles and Profiles are used by Oracle to define and control access and privileges of groups of users. Compare and contrast the concepts of role and profile.
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..
Describe the vulnerability that the attack exploits, including how or why the vulnerability exists; what versions of software are vulnerable.
Write a SQL statement to display the First and Last name of students who have the Status greater than 1 and less than 10. Use BETWEEN.
The board of XYZ expects the data warehousing system to provide some functions to analyse their customers in order to improve their management and services.
Display all product columns for products that are red and black and have a list price greater than or equal to $400 and less than or equal to $800. Use the keywords BETWEEN and IN.
Write a trigger and two test sql statements. The first statement should succeed and the second statement should fail (i.e., the second statement violates the constraint and your trigger must block it and issue an error message).
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