From 9bccec80d0ebbe4151f57a4b82eb5039fb013a85 Mon Sep 17 00:00:00 2001
From: 1879020 <125237915+1879020@users.noreply.github.com>
Date: Thu, 2 Apr 2026 17:33:57 +0800
Subject: [PATCH] Add notes about nrows=100 in data ingestion doc

Add a note to clarify that nrows=100 will not trigger the DtypeWarning
---
 01-docker-terraform/docker-sql/05-data-ingestion.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/01-docker-terraform/docker-sql/05-data-ingestion.md b/01-docker-terraform/docker-sql/05-data-ingestion.md
index 2e3ad5ce4..2a991bbe4 100644
--- a/01-docker-terraform/docker-sql/05-data-ingestion.md
+++ b/01-docker-terraform/docker-sql/05-data-ingestion.md
@@ -50,6 +50,9 @@ df.dtypes
 # Check data shape
 df.shape
 ```
+### Note 
+- When using `nrows=100` to sample the first 100 rows, all columns have consistent data types in this subset, so **the `DtypeWarning` below will NOT appear**.
+- To reproduce the type warning shown below, remove the `nrows=100` parameter and read the full dataset.
 
 ### Handling Data Types