Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 5, Problem 6HOA
Explanation of Solution
Creating a script file:
Creating a script file is nothing but writing a SQL statement(s) and saving in a file(some name) with extension .sql.
To create a script using substitution variables that allows a user to set a new cost amount for a book based on the ISBN users can UPDATE command.
UPDATE command:
User must use UPDATE command to change the existing data in a table. UPDATE command belongs to DML (Data Manipulation Language) statement.
Syntax: UPDATE tablename SET columnname=new data value,....;
- UPDATE keyword in a statement identifies the table containing records to be changed...
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Add functionality to retrieve a car record either by ID, Model, or price range.
Add menu options to retrieve a car record
by a car by Id or Model name
a user should be able to search by ID or by item name
create only one submenu option for searching
the search should not be case sensitive (for example, a user may enter sTRolleR or STROLLER);
store items in all lower/upper case to expedite the search
write one search function that can search by ID and name and goes through the array of structs/objects only once
allow partial search; must return all matching items (for example, a user can enter "roll" to search for a "stroller"; return "rolls", "stroller"); see C++ find() function
show the entire record if found or an appropriate message if not
by a price range
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20% of 5000 is 1000, display all valid car records with a price at least $4000 (5000-1000) and no more than $6000 (5000+20%)
The above screen is used to browse the products table it uses the ProductDAO.java file, it calls the getProductByCriteria() function which should accept a parameter, this parameter should be the criteria that would be built from the two combo boxes and the text box, and queries the products table.The getProductByCriteria() function should return a list of Product objects that matches the criteria specified.
Modify the function so that it accepts a string paramater consisting of the fields from the combo boxes and a price number from the text box separated by commas and use this string to modify the query in the function to return the desired result set.
public List<Product> getProductByCriteria() //MAKE MODIFICATIONS TO THIS FUNCTION SO IT CAN TAKE PARAMETER(S)
{
if (openConnection())
{
try{
List<Product> items = new ArrayList <> ();
Product temp = null;
String…
Chapter 5 Solutions
Oracle 12c: SQL
Ch. 5 - Which command should you use to copy data from one...Ch. 5 - Which command can you use to change the existing...Ch. 5 - Which of the following is a correct statement? a....Ch. 5 - Which of the following is a valid SQL...Ch. 5 - Which of the following statements deletes all rows...Ch. 5 - What is the maximum number of records that can be...Ch. 5 - Add a new row in the ORDERS table with the...Ch. 5 - Prob. 2HOACh. 5 - Save the changes permanently to the database.
Ch. 5 - Add a new row in the ORDERS table with the...
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