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Yes, it is absolutely right.
You should have a pleasant personality in order to impress your customer. Make sure that you talk to them with a smile on your face. It will create a friendly atmosphere between you and your client. Your one smile can make them feel comfortable.
Having patience is another important aspect of a sales job. You meet customers with different attitude each day. Attend to their queries patiently. Do not express any sort of dissatisfaction. Always remember, having patience will give good results at the end.
You can use a supplied theme for a consistent look and feel or create your own theme for a personalized feel to your application. The most important thing to remember about Oracle Application Express is that it is designed from the ground up to be tightly integrated with the Oracle Database, to be a fully capable web development environment, and to be easy enough for savvy business users to create or extend applications for themselves.
If dba view access then select comp_name, version, status from dba_registry or schema user.
Need to check schema name OR select version_no from apex_release;
We need to call sql scripts to reset the password @apxchpwd.sql (this is same as alter user username identifies by password)
If you are running on oracle database and you want to build rich web application with reports, forms, charts, drill downs and dashboards with limited Java experienced developers in a short time frame, Oracle APEX is the most likely candidate for consideration.
The URL request from the browser is translated into appropriate APEX PL/SQL call by either Oracle HTTP Server (Apache) with mod_plsql plugin or Embedded PL/SQL Gateway. This varies by the type of APEX installation on oracle database. After the data is processed, results are relayed back to browser as HTML. This cycle happens each time user request or submit a page. The application session state is maintained in database tables.
APEX installation can be done in two ways. DBAs are more concerned about it than developers. But this determines how the URL is translated.
Users are divided into three primary roles developer, Workspace administrators and Instance administrators
SQL> exec validate_apex; (If your APEX version is 2.0 or above)
SQL> exec validate_htmldb; (If your APEX version is prior to 2.0
Login to APEX_030200
Oracle apex by default while installation of oracle DB .But you need to configure access mechanism to launch APEX application.
Oracle Application Express is truly a database application. The IDE, the menus, and all of the screens you see in APEX are written in PL/SQL. The meta data for all of those screens, reports, and menus are stored in relational tables within the database. When you point your browser at the APEX URL, the Oracle HTTP listener (Apache +mod_plsql or the PL/SQL gateway, depending on database version) receives that call and uses PL/SQL and the meta data stored in database tables to paint the welcome screen.
When you log into APEX you are using an actual database user ID. This user ID is associated with a role (or roles) within the database and these roles determine what access you will have. If you are an administrator, you have access to create users and workspaces. As a developer, you have access to create new applications. If you are configured as an end-user, you will be able to run one or more applications. Oracle Application Express is integrated with the Oracle Database as no environment is. If you need to extend the basic functionality of APEX, there is no need to learn additional languages or link in additional libraries. On the rare occasions you need to extend functionality, you’ll either use SQL for data access or PL/SQL when procedural code is required.
Because APEX is so tightly integrated to the database, you can prototype screens while sitting with the user. The Object Browser allows you to create database objects such as tables in addition to viewing those same objects. This allows you to create objects on the fly and then build tables around those objects. The IDE, including the above Table builder, and all applications are run within a browser. Turn-around time is immediate. Because APEX is declarative, you can easily make changes in real-time via the built-in wizards. Because APEX controls session information for you, and because you use the security framework built into the Oracle Database, you can concentration delivering applications, not on connection configuration and other typical web development time wasters.
APEX comes pre-installed and completely integrated with Oracle Database Express Edition(XE). For all other editions of Oracle Database, Oracle Application Express comes as a free add-on that can be downloaded and installed. If you chose to “try before you buy”, or since it’s free, “try before you install”, you can also use the hosted APEX Online facility. This facility allows you to create and run complete applications just as you would on your own equipment.
Beta version APEX 4.2 is released a couple of weeks back. This new version offers many enhancements.
Among the most useful are:
Print to PDF
Migrate from MS-Access
Improved Page and Region Caches
Application Builder Defaults
Oracle Database 10g Express Edition only supports Oracle APEX version 2.2.
The current version of APEX allows you to download pre-packaged applications for you to learn from and/or modify for your own uses.
You can currently download (form Oracle’s Technology site):
Employee Directory Lookup – This is exactly what it sounds like.
You are by no means limited to this list of projects. An Internet search for “oracle APEX projects” Gets almost 500,000 hits and more are being posted all the time.
As mentioned above, you can sign up for a free account at APEX.ORACLE.COM (Oracle’s hosted Application Express site). When you sign up for an account, you identify the work area name that you want to use and identify an administrator. From there you can create applications and users just as you would on your own hardware and systems.apex.oracle.com is not intended for production systems, it is intended for exploration and testing. For additional hosting companies, check out the Oracle. These sites offer varying levels of hosting including free developer access and full application deployment.
Application Express has a robust community to help you develop, deliver, and use APEX applications. The first stop for support would be the APEX Forum sat Oracle Technology Network. This active forum provides tips and answers from many experts both inside and outside of Oracle.
Other sites include:
THE APEX WIKI – Wikipedia for the APEX crowd.
APEX STUDIO – Community created applications available for download.
APEX MAILING LIST – Sign up for info and Q&A.
THE ORACLE APEX COMMUNITY LISTING The list is growing daily.
In addition to the OTN forums and community sites, Application Express has a huge following in the blogosphere. Many expert level resources maintain blogs about APEX.
Some particularly well known blogs are:
SCOTT SPENDOLINI– APEX Guru and owner of Sumner Technologies (an APEX Training, Services, and Consulting company).
PATRICK WOLF– Inside Oracle APEX, Patrick is along-time Oracle veteran.
DIMITRI GELLIS – Another long-time Oracle vetand co-founder of APEX Evangelists, an APEX specific company, with John Scott.
JOHN SCOTT– As mentioned above, co-founder of APEX Evangelists, an Oracle ACE, and Application Express Developer of the Year for2006.
You can find all of these and more at the OTN COMMUNITY SITE.
Oracle has made a large commitment to Application Express. In a fairly short time, APEX has made it to version 3.0. Every release makes it easier to use and deploy applications. While recent releases have improved APEX integration with SOA, APEX does not try to compete with jDeveloper or the Oracle Java stack. APEX is the glue that can combine various parts of an enterprise solution into a whole. APEX is the tool of choice to create web-based, database-centric applications. If your business logic is in the database tier, APEX is the way to go. If your logic is in the middle tier or is implemented at the java level, J2EE may be the better choice. APEX take-up has doubled in the past year and thousands of developers are using APEX. Numbers like these ensure a healthy future for APEX. A recent INFOWORLD ARTICLE contains the following:
“We’re going to take out the need to understand the database,” said Mike Hichwa, vice president of software development at Oracle, talking about Application Express 3.1, which is likely to appear before year-end. The next release of the tool will retain its core functionality but will also be more wizard-driven so it’s easier for nonprogrammers to use, he added.
Application Express enables Oracle database users, including those with limited technical skills, to create and manage secure Web applications using only a Web browser. The tool can be used to prototype Web-based applications as well as run those applications supporting tens to thousands of users.
Currently, Oracle estimates that around 100,000 developers are using Application Express on a monthly basis, but the company would like to open up the tool to many more users, Hichwa said. Oracle’s particularly interested in those people who are currently using Microsoft Corp.’s Access database or its Excel spreadsheet or IBM Corp.’s Lotus Notes groupware to develop Web- based applications.
Backing up and restoring Oracle Database XE is based on protecting the physical files that make up the database:
There are 6 files in C:oraclexeoradataXE: CONTROL.DBF, SYSAUX.DBF, SYSTEM.DBF, TEMP.DBF, UNDO.DBF and USER.DBF.
The control file SPFILE is in C: oraclexe app oracle product 10.2.0 server dbs.
If in ARCHIVELOG mode, the redo log files should be backed up. Two redo log files are in
C: oraclexe app oracle Vlash_recovery_areaVE ONLINELOG.
Cold back up is when you stop the database and zip up all those 9 files (in NOARCHIVEMOD). When you restore the database copy all 9 files back to the same folders.
If the application is in ARCHIVEMOD and should run 24X7 then use hot backup.
Oracle Apex works on the following operating systems:
Oracle Apex Related Tutorials
Oracle Apex Related Interview Questions
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