Database Design and Low-Code Development with Oracle APEX: Creating Tables, Sequences, Reports, and Forms

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Introduction

In this blog post, you'll learn how to design professional database components, including creating sequences, defining tables with unique column names and default values, and setting up audit columns. We’ll then demonstrate how to leverage Oracle APEX's powerful low-code development capabilities to create interactive reports and forms in just a few steps.
Whether you're a beginner or an experienced developer, this guide will help you efficiently build database applications while minimizing the need for extensive coding.

Table of Contents

  • Setting Up Sequences and Tables
  • Creating a Sequence for Employees
  • Defining the Employee Table
  • Creating a Sequence for Departments
  • Defining the Department Table
  • Populating Data
  • Low-Code Application Development with Oracle APEX
  • Conclusion

1. Setting Up Sequences and Tables

Creating a Sequence for Departments

We begin by creating a sequence for automatically generating unique department IDs:
 
SQL

Defining the Department Table

Next, we define the DEPARTMENT table with appropriate audit columns and default values:
 
SQL

Creating a Sequence for Employees

Similarly, we create a sequence for generating unique employee IDs:
 
SQL

Defining the Employee Table

The EMPLOYEE table is designed to store comprehensive employee details:
 
SQL

 

2. Populating Data

With the table structures in place, let’s insert sample data for departments and employees to create a foundation for testing reports and forms:

Sample Data for Departments

 
SQL

Sample Data for Employees

 
SQL

Feel free to add more data as needed for testing and visualization.
 

3. Low-Code Application Development with Oracle APEX

Once your database structure is ready, Oracle APEX makes it easy to create dynamic applications. Follow these steps:
  • Create a Report: Use the SQL below to display employee data along with department details:
 
SQL

  • Design an Interactive Form: Use Oracle APEX’s form generator to allow users to add or edit employee records.
  • Enhance with Visualizations: Add charts, filters, and interactive dashboards for better insights into your data.
 

4. Conclusion

This guide walks you through designing database components and using Oracle APEX to create low-code applications with minimal effort. By following these steps, you can quickly set up robust applications that are scalable, interactive, and user-friendly.
Start building today and unlock the power of low-code development with Oracle APEX!

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