Oracle数据库2天+ Application Express开发者指南

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"Oracle® Database 2Day + Application Express Developer’s Guide是Oracle公司发布的一份官方文档，专注于介绍Application Express（Apex）的开发指南，适用于版本3.0。该文档由Anne Romano和Terri Winters为主要作者，Joel Kallman和Sharon Kennedy作为贡献者。" 在Oracle Database 2Day + Application Express Developer’s Guide中，读者可以学习到关于Apex的详细开发知识，这是一个基于Web的快速应用开发平台，嵌入在Oracle数据库中。Apex允许开发者使用浏览器来构建数据驱动的应用程序，无需深厚的编程技能，特别适合那些希望高效创建企业级应用程序的IT专业人员。文档的核心内容可能包括以下几个方面： 1. **Apex入门**：介绍Apex的基础知识，如何安装和配置Apex环境，以及如何启动第一个应用程序。 2. **开发环境**：详述Apex的开发界面，包括工作区、项目管理、页面和组件的创建与管理。 3. **数据建模**：讲解如何在Apex中设计和管理数据库模式，包括创建表、建立关系和数据类型选择。 4. **页面设计**：涵盖如何创建和自定义用户界面，包括表单、报告、图表和其他互动元素的构建。 5. **验证与处理**：介绍如何设置输入验证规则，处理表单提交，以及触发服务器端过程。 6. **导航与主题**：讨论如何构建应用程序的导航结构，以及应用外观和感觉的定制，包括使用预定义的主题或创建自定义主题。 7. **安全性与权限**：说明如何控制用户访问，设置角色和权限，以及数据保护策略。 8. **部署与维护**：涵盖应用程序的发布、更新和性能优化，以及错误调试和日志记录。 9. **高级特性**：深入探讨Apex的高级功能，如插件、API使用、集成外部服务和构建移动应用。 10. **社区与支持**：介绍Oracle Apex社区资源，包括论坛、博客、示例代码和社区驱动的开发工具。此外，文档还强调了知识产权保护，指出程序和文档包含Oracle公司的专有信息，使用和披露受到特定许可协议的限制，并受版权、专利以及其他知识产权法律的保护。文档可能明确禁止逆向工程、拆解或反编译程序，除非法律另有规定或为了与其他独立创建的软件实现互操作性。尽管文档内容可能随时变更且不保证无误，但Oracle鼓励用户发现并书面报告文档中的任何问题。Oracle Database 2Day + Application Express Developer’s Guide是一份全面的指南，对于想要掌握Apex开发的人来说，是不可多得的参考资料。

Overview of the Application You Build

1-4 Oracle Database 2 Day + Application Express Developer’s Guide

■ End users have no development privileges. You define end users so that they can

access applications that do not use an external authentication scheme.

■ Oracle Application Express administrators are superusers that manage an entire

hosted instance using the Application Express Administration Services

application.

The following illustration shows multiple users with various roles accessing the

Application Express development environment, Application Express Administration

Services, and the published applications.

For this guide, you must have the privileges usually associated with three roles:

Application Express Administrator, Workspace Administrator, and Developer. The

following illustration shows an Application Express instance with a single user.

Overview of the Application You Build

In "Building Your Application" on page 4-1, you create a simple Human Resources

(HR) application for a fictitious company called AnyCo Corp. The application manages

departmental and employee information stored in the department and employees

tables that you create. The tutorial shows you how to build the application, modify it,

and then preview it.

Accessing the Hosted Demo Environment

2-2 Oracle Database 2 Day + Application Express Developer’s Guide

■ To view or develop Oracle Application Express applications, use a Web browser

that supports JavaScript and the HTML 4.0 and Cascading Style Sheet (CSS) 1.0

standards. The following browsers meet this requirement:

– Microsoft Internet Explorer 6.0 or higher

– Firefox 1.0 or higher

■ Enable cookies for your Web browser.

Accessing the Hosted Demo Environment

To try out Oracle Application Express without installing the product locally, go to the

hosted demo environment and sign up for a workspace.

To access the hosted demo environment:

1. In a Web browser, go to:

http://apex.oracle.com

2. Under the Login button, click Sign up for an account.

The Registration Wizard appears. Note the steps included in the wizard appear in

a flowchart on the left side of the page. The highlighted block indicates the step

you are performing.

3. On the Welcome page, review the information and click Next.

4. For Identify Administrator, enter valid information and click Next.

The system will generate an email with your login credentials and send it to the

email address you enter.

5. For Workspace, enter a name for your workspace.

Workspace names must be unique. Requesting a duplicate name might delay your

request. In general, enter a name that is significant to you. For example, enter your

own name, your company name, or the name of the project or department to

which your applications pertain.

To use the same name for your workspace and your schema (defined in the next

step) use alphabetic characters when naming your workspace. Schema names are

restricted to alphabetic characters.

6. For New or Existing Schema, select Request a new schema and click Next.

7. For Database Schema, do the following:

a. New schema to create - Enter a name containing only alphabetic characters.

b. Initial Space Allocation - Select at least 10 MB to accommodate the space

needed for creating the objects required for this guide.

c. Click Next.

8. For Service Description, enter the requested information and click Next.

9. For Confirmation:

a. Enter the displayed numeric and alphabetic characters in the Verification Code

field. Be sure to use the correct capitalization because the verification code is

case-sensitive.

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Oracle数据库2天+ Application Express开发者指南

Oracle Database 2 Day + Application Express Developer’s Guide

apex4.2-2 Day + Application Express Developer's Guide

详细解释该行语法sample[:, day * 24 : (day + 1) * 24] = raw_data[18 * (20 * month + day) : 18 * (20 * month + day + 1), :]

day+"天 "+hour+"时 "+minute+"分 "+s+"秒" 三目运算怎么做

在c语言中+用given+year,month,day,calculate+that+day+is+the+nth+day+of+the+year

检查以下代码问题并修改，def max_assignments(A): A = sorted(A, key=lambda x: x[1]) current_day = 1 count = 0 for duration, deadline in A: if current_day + duration - 1 <= deadline: count += 1 current_day += duration return count A = [[2, 4], [3, 5], [1, 2], [4, 7], [1, 1]]

int+numDoctors+=+(day+>=+1+&&+day+<=+5)+?+1+:+2;解释

given+year,month,day,calculate+that+day+is+the+nth+day+of+the+year

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