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Hello Guys; I’m studying computer science on my third year. we are asked to develop a project based on data warehousing and business intelligence, using java language and postgresql. the main thing that is expected from us, to create fact and dimension tables from existing tables and then fire simple …

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hi guys, I have one table: exams(e_no integer primary key,e_name text); now i want to create another table called questions which should have primary key that is combination of exam.e_no (foreign key) and question.q_no questions(q_no,e_no,questions text); so i would like to make q_no and e_no both act as primary key …

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[CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; public class LoginScreen extends JFrame { JLabel userId; JTextField userIdT; JButton userIdHelp; WelcomeLogin welcome; public LoginScreen() { super("User Login Screen"); Container surface = getContentPane(); setSize(1024,750); setDefaultCloseOperation(EXIT_ON_CLOSE); setLocationRelativeTo(null); surface.setLayout(null); welcome = new WelcomeLogin(); surface.add(welcome); userId = new JLabel("User ID :",JLabel.LEFT); userId.setBounds(20,50,80,20); surface.add(userId); userIdT …

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Hi guys, This is me, novice programmer to Java. i have a very simple question. can i change Font of a Label? for example i have a label: Label l1 = new Label("Welcome To Java"); now what i want is to be able to change the text(Welcome to Java) to …

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Hello Everyone, I have a terrible problem with data structures in C. i have defined a structure as below: struct MNT { char label[32],opcode[32],operand1[32],operand2[32]; struct MNT *next; }; typedef strct MNT *MNTABPTR; MNTABPTR mnt_first = NULL; and for allocating memory i used the following sentence: MNTABPTR newnode; newnode = (MNTABPTR)malloc(sizeof(MNTABPTR)); …

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