diff --git a/README.md b/README.md
index 8dd1119..c47cc3c 100644
--- a/README.md
+++ b/README.md
@@ -40,3 +40,16 @@ TestStep = "1"
 cmd = "insert jomtCartridgeTbl(TestStep, PV_Date, PV_SN, ...) value('" + TestStep + "', ...);"
 ```
 
+### DB 조회 쿼리문
+
+```MySQL
+SELECT * 
+FROM `jomtTesterDB`.`jomtCartridgeTbl` 
+WHERE `TestStep` = '1' ORDER BY PV_Date desc;
+```
+#### 조회 결과 정리 표
+
+| Number | TestStep | 중략 | PV_SN | PV_Date | PV_Frequency | PV_Impedance | PV_Capacitance | PV_Resistance | PV_Reverved
+| --- | --- |  --- |  --- |  --- |  --- |  --- |  --- |  --- |  --- | 
+| 363,012| 1|  - | J225300334 | 2025-03-21 |6990| 95.91|1.95|3.05 | (NULL) |
+| 363,102| 1| -  | J225300244 | 2025-03-21 | 7120| 100.53| 2.06| 2.84|  (NULL) |