> For the complete documentation index, see [llms.txt](https://tech.x2bee.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tech.x2bee.com/dev-guide/developer-guide-en/dev-start/images-and-media.md).

# Database Usage and Formatting

## Overview

Explains how to use and format databases. Provides detailed guidance on development environment database configuration, transaction handling, validation methods, using the date conversion utility, large-scale Excel downloads, and the FO/BO number/date (dayjs) conversion guide.

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## Document Structure

<details>

<summary><strong>Development Environment Database</strong></summary>

Explains the database settings and configuration used in the development environment, and helps you understand the initial setup and management of the database.

</details>

<details>

<summary><strong>Transaction Handling</strong></summary>

Explains how to implement and manage transactions to maintain database consistency.

</details>

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<summary><strong>Validation Method</strong></summary>

Explains how to validate and manage input data, and how to prevent invalid data from being stored in the database.

</details>

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<summary><strong>Using the Date Conversion Utility</strong></summary>

Explains the conversion and processing methods needed when working with date data.

</details>

<details>

<summary><strong>Large-Scale Excel Download</strong></summary>

Explains how to effectively process large amounts of data and download it as an Excel file.

</details>

<details>

<summary><strong>FO/BO Number/Date (dayjs) Conversion Guide</strong></summary>

Explains how to effectively convert data formats between the front office and back office.

The detailed content of each document includes X2BEE's technical details and covers information to support project development.

</details>

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