diff --git a/content/posts/zh/20230831-sql-format-rules/SQL.sql b/content/posts/zh/20230831-sql-format-rules/SQL.sql
new file mode 100644
index 0000000..16b8dd6
--- /dev/null
+++ b/content/posts/zh/20230831-sql-format-rules/SQL.sql
@@ -0,0 +1,101 @@
+SELECT 
+      T1.student_id AS studentId
+    , T1.name AS name
+    , SUM(T2.score AS score) AS totalScore
+FROM 
+    student T1,
+    score T2
+WHERE 
+        T1.student_id = T2.student_id
+    AND T1.gender = 'male'
+GROUP BY 
+      T1.student_id
+    , T1.name
+
+
+
+
+SELECT 
+      T1.age AS age
+    , T1.name AS name
+    , T1.student_id AS studentId
+FROM 
+    student T1 
+WHERE 
+        T1.gender = 'male'
+    AND T1.age > '18'
+ORDER BY 
+      T1.age DESC
+    , T1.name ASC
+
+
+
+
+SELECT 
+      T1.student_id AS studentId
+    , T1.name AS name
+    , T2.course_name AS courseName
+    , T2.score AS score
+FROM 
+    student T1
+LEFT OUTER JOIN 
+    optional_course T2
+ON 
+        T1.student_id = T2.student_id
+    AND T2.course_name = 'computer',
+    ( SELECT 
+              T31.XX
+            , T31.yy
+      FROM 
+          sub_table_xx T31,
+          sub_table_yy T32
+      WHERE 
+          T31.id = T32.id
+    ) T3
+WHERE 
+        T1.xx = T3.xx
+    AND T1.name = 'Jack'
+
+
+
+
+
+SELECT 
+      T1.student_id AS studentId
+    , T1.name AS name
+    , T2.course_name AS courseName
+    , T2.score AS score
+FROM 
+    student T1
+LEFT OUTER JOIN 
+    optional_course T2
+ON 
+        T1.student_id = T2.student_id
+    AND T2.course_name = 'computer'
+WHERE 
+    T1.name = 'Jack'
+
+
+
+
+
+
+
+
+SELECT 
+      T1.name AS name
+    , T1.student_id AS studentId
+FROM 
+    student T1 
+WHERE 
+    T1.name = 'Jack'
+
+
+
+
+
+
+
+
+
+