Certainly! Below is an example of a data dictionary entry for a column, written in a professional and clear business writing style.

—

**Data Dictionary Entry:**

**Column Name:** Customer_ID
**Description:** Unique identifier assigned to each customer in the database. This ID is used to track customer activity, purchases, and interactions across different systems.
**Data Type:** Integer
**Format:** Numeric, 8 digits
**Values:** Unique values starting from 10000001 to 99999999.
**Default Value:** None
**Constraints:**
– Must be unique within the database.
– Cannot be null.
– Must be assigned at the time of customer registration.
**Usage:** This column is used for linking customer records across various transactional and analytics systems. It plays a crucial role in customer segmentation, reporting, and personalized marketing initiatives.
**Related Tables:**
– **Orders Table**: Links Customer_ID with customer order details.
– **Support Tickets Table**: Associates customer issues with support records.

—

This entry adheres to the principles of clarity and conciseness, focusing on providing relevant details without overcomplicating the information.