Now we have finished the coding process for our client project. Click on the Clean and Build Main Project button to build our project. Before running and testing our client project, make sure that our Web Service application project, WebAppCourse, has been built and deployed successfully. Click on the Run Main Project button to run…
Category: Creating the Shard Catalog
Build Code for the Update Button Method to Update Course Records – Develop Java Web Services to Access Databases
9.15.6 Build Code for the Update Button Method to Update Course Records The function of this method is to update an existing course record when the Update button is clicked by the user. The existing course record will be updated on the Course Table in our sample Oracle database when this method is complete. As…
Add a Web Service Reference to Our Web-Based Project and Change the Ports – Develop Java Web Services to Access Databases
9.16.2 Add a Web Service Reference to Our Web-Based Project and Change the Ports In order to call an operation in our Web service application project, WebAppCourse, we need to add the Web reference in our Web-based client project, WebClientCourse _ Select, to direct all calls to our Web service project. Perform the following operations…
Build and Run Our Client Project to Query Course Record via Our Web Service 3 – Develop Java Web Services to Access Databases
Next let’s build the code for our Java bean class file, CourseQuery.java. Double-click on this file in the Projects window in the folder Source Packages\JavaWebOracleSelectPackage to open it and enter the code shown in Figure 9.105 into the bottom of this file. Let’s have a closer look at this piece of code to see how…
Build and Run Our Client Project to Query Course Record via Our Web Service 2 – Develop Java Web Services to Access Databases
Double-click on the page from the Projects window to open it and enter the code shown in Figure 9.104 into the else if (request.getParameter(“Insert”)!= null) block.Let’s have a closer look at this piece of code to see how it works. A. Two JSP directives are declared first, and they are used to set up the…
Build and Run Our Client Project to Query Course Record via Our Web Service – Develop Java Web Services to Access Databases
9.16.4 Build and Run Our Client Project to Query Course Record via Our Web Service Prior to building and running our client project, make sure that our Web Service application project, WebAppCourse, has been built and deployed successfully. Perform the following operations to build and run our client project, WebClient Course _ Select: 1) Click…
Build Our Client Project to Delete Course Records via Our Web Service 2 – Develop Java Web Services to Access Databases
Next let’s build the code for our Java bean class file, CourseQuery.java. Double-click on this file in the Projects window, under Source Packages\JavaWebOracleSelect-Package, to open it and enter the code shown in Figure 9.115 into the bottom of this file. Let’s have a closer look at this piece of code to see how it works….
Build Our Client Project to Delete Course Records via Our Web Service – Develop Java Web Services to Access Databases
9.16.7 Build Our Client Project to Delete Course Records via Our Web Service To save time and space, we can modify one of our projects, WebClientCourse _ Update, we built in the last section and make it our new project. Perform the following operations to make our new project, WebClientCourse _ Delete: 1) One can…
GDS Components – Introduction to Oracle Global Data Services
GDS Components GDS consists of several key components that work together to provide efficient workload management and high availability for replicated databases. Global service managers (GSMs) act as listeners in different regions and are known as global listeners. They can understand the current workload of the system in real time. Their main tasks are to…
GDS Features 2 – Introduction to Oracle Global Data Services
Centralized workload management for replicas – one way to simplify workload management for replicas is by centralizing it. Using the GDSCTL command-line utility or the Oracle Enterprise Manager Cloud Control (OEMCC) graphical user interface, you can administer the global resources of regionally or globally replicated databases. If you need information about the options provided by…