diff --git a/简易批量更新人员数据库打卡点格式sql b/简易批量更新人员数据库打卡点格式sql
new file mode 100644
index 0000000..4d67a78
--- /dev/null
+++ b/简易批量更新人员数据库打卡点格式sql
@@ -0,0 +1,13 @@
+MERGE INTO uf_AttendanceList_dt1 a
+USING (
+    SELECT 
+        a1.id,
+        LEAD(TO_DATE(a1.EFF_DATE, 'YYYY-MM-DD')) 
+            OVER (PARTITION BY a1.mainid ORDER BY TO_DATE(a1.EFF_DATE, 'YYYY-MM-DD')) AS NEXT_EFF_DATE
+    FROM uf_AttendanceList_dt1 a1
+) t
+ON (a.id = t.id)
+WHEN MATCHED THEN
+    UPDATE SET a.EXP_DATE = TO_CHAR(t.NEXT_EFF_DATE - 1, 'YYYY-MM-DD')
+
+    WHERE t.NEXT_EFF_DATE IS NOT NULL;