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CREATE TABLE contacts(Con_id NUMBER(4),Company_name VARCHAR2(30) not null,E_mail VARCHAR2(30),Last_date DATE DEFAULT SYSDATE,Con_cnt NUMBER(3) CHECK (Con_cnt > 0),PRIMARY KEY (Con_id));
Write a code to add two rows of data to the table that was created using the command above. Ensure the default option on the LAST_DATE column is used in the second row added. Also, issue a command to permanently save the data to the table.
The database includes fields for record number, store identification number, sales region, item number, item description, unit price, units sold, and weekly sales period when the sales were made.
Estimate the cost in labor months of developing a complete software system that will be used by mechanical engineers to model thermal effects on engine parts. The program replaces an older version.
"Too much control is counter-productive." Do you agree? Provide reasoning of the view.
assume you are given a list of n integers in random order. Describe an algorithm that will determine whether the numbers would be an arithmetic progression if they were sorted.
Create a GUI application that a clerk can use to select services and that will total and display the charge for a customer's visit to the Automobile Maintenance Service.
make a flowchart and give the pseudocode for searching an array for a specified value.
You are developing a new information system for The Fitness Center, company that has five fitness centers in your metropolitan area, with about 650 members and 30 employees in each location.
Suppose there is the wide-area network with N nodes, where N ≥ 2. Find out the smallest number of the point-to-point communication links such that each node within the network is able to talk to one another node?
write down fucntion defintion for the Line class constructor.
express the JAVA code necessary to allow only one connection.
design a Java program that allows a user to enter three words, and displays the appropriate three-letter acronym (constructed from the input) in all uppercase letters. If user enters more than three words, ignore the extra words.
A database table comprises of the following columns: employee's name, SS#, job-title, years-in-job, hiring-date, and base-salary.
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