# 52. PostgreSQL 的內部架構

{% hint style="info" %}
**Author**

This chapter originated as part of [\[sim98\]](/15/bibliography.md#sim-98-enhancement-of-the-ansi-sql-implementation-of-postgresql-stefan-simkovics-department-of-information-systems-vienna-university-of-technology-vienna-austria-november-29-1998), Stefan Simkovics' Master's Thesis prepared at Vienna University of Technology under the direction of O.Univ.Prof.Dr. Georg Gottlob and Univ.Ass. Mag. Katrin Seyr.
{% endhint %}

本章概述了 PostgreSQL 的內部架構。閱讀以下各節後，你應該可以了解一個查詢是如何被處理的。本章的目的不是詳細描述 PostgreSQL 的內部操作，因為那樣的說明太過於詳盡。本章旨在幫助讀者理解資料庫後端內部發生的一些操作程序，從接收查詢的開始到將結果回傳給用戶端之間所發生的事。\\


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.postgresql.tw/15/internals/overview-of-postgresql-internals.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
