Answer:
1. Professional Software is not just the program developed for a customer
2. The software is meant for a specific purpose
Explanation:
Professional software is not just the program developed for a customer. Infact professional software along with executable code will also contain documentation, configuration of data - all that is required to make the operation of programs correct and accurate. Generally such a software do contain separate files for program and configuration purposes. Documentation of the professional software consists of several topics such as structure of the system, user documentation with all the information required for user to work on that. Hence professional software is not just a set of programs developed for customer - but it is a comprehensive information collection and set up tool set designed for the usage of a customer as well.
2. Custom software development are commisssioned by a specific customer for his specific requirements. Whereas Generic software products are general software applicable for diverse customers for their requirements and hence can be sold in open market for any customer. And hence the aplication development of both the software products mentioned above also do vary, in the first case specifications will be completely provided by the customer and will be controlled as well by the cusotmer
Answer:
The procedure in SQL is created as follows
Explanation:
--creating the procedure
CREATE OR REPLACE PROCEDURE prc_inv_amounts (W_IN IN NUMBER)
AS
--defining variables
W_CK NUMBER := 0;
W_SUBT NUMBER := 0;
W_TAX NUMBER := 0;
BEGIN
--Authentication process of the invoice
SELECT COUNT(*) INTO W_CK FROM INVOICE WHERE INV_NUMBER := W_IN;
--Transaction confirmation
IF W_CK = 1 THEN
SELECT SUM(LINE_TOTAL) INTO W_SUBT FROM LINE
WHERE
--checking the invoice for the desired invoice number
LINE.INV_NUMBER = W_IN;
W_TAX :=W_SUBT * 0.08;
--updating the invoice
UPDATE INVOICE
--setting the new values
SET INV_SUBTOTAL = W_SUBT,
INV_TAX = W_TAX,
INV_TOTAL =W_SUBT + W_TAX
WHERE INV_NUMBER = W_IN;
--ending the if statement
END IF;
--ending the procedure
END;
<span>Every information systems (IS) user has the right to a secure computing environment. this means that the </span>organization should protect his/her computer and its files.
