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: GDS Components
Build Code for the Update Button Method to Update Course Records 2 – Develop Java Web Services to Access Databases
A. Two local variables, update and al, are created first. The first is a Boolean variable used to hold the run result of execution of the Web service operation UpdateCourse(), and the second is an ArrayList instance used to store an updating course record to be updated in the Course Table in our sample database…
Modify the Java Bean CourseQuery.java and the Control File CourseProcess.jsp 2 – Develop Java Web Services to Access Databases
E. A pre-checking action is performed to make sure that the input argument to this method is not empty, in other words, that a valid faculty name is included. F. A try-catch block is used to call our Web operation QueryCourseID() to get all course _ id via our Web service. First a new Web…
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 Our Client Project to Update Course Records via Our Web Service 2 – Develop Java Web Services to Access Databases
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 Java bean, session, class and property used on this JSP page. The Update _ Course() method is to be built in our Java bean class…
Build Our Client Project to Update Course Records via Our Web Service – Develop Java Web Services to Access Databases
9.16.6 Build Our Client Project to Update Course Records via Our Web Service Generally there is no need to update a course _ id when updating a course record, since a better way to do that is to insert a new course record and delete the old one. The main reason for this is that…
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….
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…
GDS Features – Introduction to Oracle Global Data Services
GDS Features Many third-party solutions are not fully integrated with Oracle software, which makes it difficult for them to benefit from the features that GDS has, such as runtime load balancing. In the replica set, some databases may have a slower response because of the high load, while others may have room to serve new…
Configuration Best Practices of GDS in Maximum Availability Architecture – Introduction to Oracle Global Data Services
Configuration Best Practices of GDS in Maximum Availability Architecture Each region should have a total of three GSMs, with each GSM residing on dedicated hardware. This setup ensures redundancy, as even if one GSM experiences an outage, the other two will continue to provide the required services. The GDS catalog, which is essential for GDS…