diff --git a/sql/split.sql b/sql/split.sql
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index 0000000..ad7291d
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+--查询JK_CRB_ICD10表，将icd10列按照、分割并将name和icd10联合组成新行，插入JK_CRB_ICD10_tmp表。
+~~~sql
+insert into JK_CRB_ICD10_tmp
+select * from (
+  SELECT name,
+         TRIM(SUBSTR(string_to_split,
+                     INSTR(string_to_split, '、', 1, LEVEL) + 1,
+                     INSTR(string_to_split, '、', 1, LEVEL + 1) - INSTR(string_to_split, '、', 1, LEVEL) - 1)
+         ) AS icd10
+  FROM (SELECT name, '、' || icd10 || '、' AS string_to_split FROM JK_CRB_ICD10) t,
+       DUAL
+  CONNECT BY PRIOR name = name
+  AND PRIOR DBMS_RANDOM.value IS NOT NULL
+  AND LEVEL <= LENGTH(t.string_to_split) - LENGTH(REPLACE(t.string_to_split, '、', '')) + 1
+) ina where ina.icd10 is not null;
+
+~~~
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