Method to Use in Creating a Database--need assistance

I'm new to Oracle Apex and would like to create a database. Let me tell you the scenario. Iim capturing 4 types of informatoin initially from focus groups, survey results, blog post, and drop off surveys. I would like to input the informtion gathered from each session in each table ,some tables with common fields. Then I would like to maintain one master table which would have all fields. At some point, i would like to reference the common fields in each database. What's the best way to approach this? Maybe i do not need multiple tables--maybe I can have one large application and form a report to pull the information. However, I think the recommendation was to make 4 separate tables--please advise

user13149997 wrote:
I'm new to Oracle Apex and would like to create a database. Let me tell you the scenario. Iim capturing 4 types of informatoin initially from focus groups, survey results, blog post, and drop off surveys. I would like to input the informtion gathered from each session in each table ,some tables with common fields. Then I would like to maintain one master table which would have all fields. At some point, i would like to reference the common fields in each database. What's the best way to approach this? Maybe i do not need multiple tables--maybe I can have one large application and form a report to pull the information. However, I think the recommendation was to make 4 separate tables--please adviseI'd advise you to google "data normalization" and get familiar with the concept of 'normalizing' your data to "third normal form" (aka TNF or 3NF). A proper analysis of your data, and how the different data elements will dictate how many tables, what they contain, and how they relate. I can almost guarantee trying to use a single table is a mistake. That's why we call them relational databases, not just data dumps.

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