From 44106fe2635362fb446e1f3afe290db91085362a Mon Sep 17 00:00:00 2001
From: Weizhen Wang <wangweizhen@pingcap.com>
Date: Fri, 14 Nov 2025 17:35:57 +0800
Subject: [PATCH] improve list in the subquery optimization

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
---
 subquery-optimization.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/subquery-optimization.md b/subquery-optimization.md
index 6c7475bbbc13e..a8faf134e8775 100644
--- a/subquery-optimization.md
+++ b/subquery-optimization.md
@@ -9,9 +9,10 @@ This article mainly introduces subquery related optimizations.
 
 Subqueries usually appear in the following situations:
 
+- `... </=/!=/>/ ALL (SELECT ... FROM ...)`
 - `NOT IN (SELECT ... FROM ...)`
-- `NOT EXISTS (SELECT ... FROM ...)`
 - `IN (SELECT ... FROM ..)`
+- `NOT EXISTS (SELECT ... FROM ...)`
 - `EXISTS (SELECT ... FROM ...)`
 - `... >/>=/</<=/=/!= (SELECT ... FROM ...)`