diff --git a/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepository.java b/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepository.java
index acc19f6..f94a549 100644
--- a/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepository.java
+++ b/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepository.java
@@ -12,4 +12,5 @@ import java.util.List;
 public interface ShipLastPositionSyncRepository {
 
     int updateLastPositions(List<AisTargetEntity> entities);
+    void updateLastPositionsTemp(List<AisTargetEntity> entities);
 }
diff --git a/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepositoryImpl.java b/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepositoryImpl.java
index 84e3e6c..dca9491 100644
--- a/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepositoryImpl.java
+++ b/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/repository/ShipLastPositionSyncRepositoryImpl.java
@@ -59,24 +59,27 @@ public class ShipLastPositionSyncRepositoryImpl implements ShipLastPositionSyncR
                        ancrg_yn = ?
                  WHERE imo_no = ?
                 """.formatted(getTableName());
-//        return """
-//            UPDATE new_snp.core20
-//                 SET lastseen = ?::timestamptz,
-//                     lastport = ?,
-//                     position_latitude = ?,
-//                     position_longitude = ?,
-//                     destination = ?,
-//                     eta = ?::timestamptz,
-//                     heading = ?,
-//                     cog = ?,
-//                     speedservice = ?,
-//                     navstat = ?,
-//                     tonnes_cargo = ?,
-//                     extra_info = ?,
-//                     in_sts = ?,
-//                     on_berth = ?
-//                 WHERE lrno = ?;
-//            """;
+    }
+
+    private String getCoreUpdateSql() {
+        return """
+            UPDATE new_snp.core20
+                 SET lastseen = ?::timestamptz,
+                     lastport = ?,
+                     position_latitude = ?,
+                     position_longitude = ?,
+                     destination = ?,
+                     eta = ?::timestamptz,
+                     heading = ?,
+                     cog = ?,
+                     speedservice = ?,
+                     navstat = ?,
+                     tonnes_cargo = ?,
+                     extra_info = ?,
+                     in_sts = ?,
+                     on_berth = ?
+                 WHERE lrno = ?;
+            """;
     }
 
     @Override
@@ -100,10 +103,30 @@ public class ShipLastPositionSyncRepositoryImpl implements ShipLastPositionSyncR
             }
         }
 
-        log.info("Ship Last Position 동기화 완료: 대상={} 건, 갱신={} 건", entities.size(), totalUpdated);
+        log.info("Ship Last Position 동기화 완료 ({}): 대상={} 건, 갱신={} 건", tableName, entities.size(), totalUpdated);
         return totalUpdated;
     }
 
+    @Override
+    @Transactional
+    public void updateLastPositionsTemp(List<AisTargetEntity> entities) {
+
+        String sql = getCoreUpdateSql();
+        int totalUpdated = 0;
+
+        int[][] batchResults = jdbcTemplate.batchUpdate(sql, entities, BATCH_SIZE,
+            (ps, entity) -> setUpdateParameters(ps, entity));
+
+        for (int[] batchResult : batchResults) {
+            for (int result : batchResult) {
+                if (result > 0) {
+                    totalUpdated += result;
+                }
+            }
+        }
+        log.info("Ship Last Position 동기화 완료 (Core20): 대상={} 건, 갱신={} 건", entities.size(), totalUpdated);
+    }
+
     private void setUpdateParameters(PreparedStatement ps, AisTargetEntity entity) throws java.sql.SQLException {
         int idx = 1;
 
diff --git a/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/tasklet/ShipLastPositionSyncTasklet.java b/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/tasklet/ShipLastPositionSyncTasklet.java
index 1a044b8..3182da5 100644
--- a/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/tasklet/ShipLastPositionSyncTasklet.java
+++ b/src/main/java/com/snp/batch/jobs/aistargetdbsync/batch/tasklet/ShipLastPositionSyncTasklet.java
@@ -98,6 +98,7 @@ public class ShipLastPositionSyncTasklet implements Tasklet {
 
         // 4. DB UPDATE
         int updated = repository.updateLastPositions(latestPerImo);
+        repository.updateLastPositionsTemp(latestPerImo); // 임시 추가
 
         long elapsed = System.currentTimeMillis() - startTime;