diff --git a/frontend/components/dataflow/ConnectionSetupModal.tsx b/frontend/components/dataflow/ConnectionSetupModal.tsx
index 7baac19c..b8d37f8a 100644
--- a/frontend/components/dataflow/ConnectionSetupModal.tsx
+++ b/frontend/components/dataflow/ConnectionSetupModal.tsx
@@ -343,6 +343,37 @@ export const ConnectionSetupModal: React.FC<ConnectionSetupModalProps> = ({
         break;
       case "data-save":
         settings = dataSaveSettings;
+
+        // INSERT가 아닌 액션 타입에 대한 실행조건 필수 검증
+        for (const action of dataSaveSettings.actions) {
+          if (action.actionType !== "insert") {
+            if (!action.conditions || action.conditions.length === 0) {
+              toast.error(
+                `${action.actionType.toUpperCase()} 액션은 실행조건이 필수입니다. '${action.name}' 액션에 실행조건을 추가해주세요.`,
+              );
+              return;
+            }
+
+            // 실제 조건이 있는지 확인 (group-start, group-end만 있는 경우 제외)
+            const hasValidConditions = action.conditions.some((condition) => {
+              if (condition.type !== "condition") return false;
+              if (!condition.field || !condition.operator) return false;
+
+              // value가 null, undefined, 빈 문자열이면 유효하지 않음
+              const value = condition.value;
+              if (value === null || value === undefined || value === "") return false;
+
+              return true;
+            });
+
+            if (!hasValidConditions) {
+              toast.error(
+                `${action.actionType.toUpperCase()} 액션은 완전한 실행조건이 필요합니다. '${action.name}' 액션에 필드, 연산자, 값을 모두 설정해주세요.`,
+              );
+              return;
+            }
+          }
+        }
         break;
       case "external-call":
         // 외부 호출은 plan에 저장
@@ -508,9 +539,21 @@ export const ConnectionSetupModal: React.FC<ConnectionSetupModalProps> = ({
       case "data-save":
         // 데이터 저장: 액션과 필드 매핑이 완성되어야 함
         const hasActions = dataSaveSettings.actions.length > 0;
-        const allActionsHaveMappings = dataSaveSettings.actions.every((action) => action.fieldMappings.length > 0);
-        const allMappingsComplete = dataSaveSettings.actions.every((action) =>
-          action.fieldMappings.every((mapping) => {
+
+        // DELETE 액션은 필드 매핑이 필요 없음
+        const allActionsHaveMappings = dataSaveSettings.actions.every((action) => {
+          if (action.actionType === "delete") {
+            return true; // DELETE는 필드 매핑 불필요
+          }
+          return action.fieldMappings.length > 0;
+        });
+
+        const allMappingsComplete = dataSaveSettings.actions.every((action) => {
+          if (action.actionType === "delete") {
+            return true; // DELETE는 필드 매핑 검증 생략
+          }
+
+          return action.fieldMappings.every((mapping) => {
             // 타겟은 항상 필요
             if (!mapping.targetTable || !mapping.targetField) return false;
 
@@ -525,9 +568,36 @@ export const ConnectionSetupModal: React.FC<ConnectionSetupModalProps> = ({
 
             // FROM 테이블이 있으면 소스 매핑 완성 또는 기본값 필요
             return hasSource || hasDefault;
-          }),
-        );
-        return !hasActions || !allActionsHaveMappings || !allMappingsComplete;
+          });
+        });
+
+        // INSERT가 아닌 액션 타입에 대한 실행조건 필수 검증
+        const allRequiredConditionsMet = dataSaveSettings.actions.every((action) => {
+          if (action.actionType === "insert") {
+            return true; // INSERT는 조건 불필요
+          }
+
+          // INSERT가 아닌 액션은 유효한 조건이 있어야 함
+          if (!action.conditions || action.conditions.length === 0) {
+            return false;
+          }
+
+          // 실제 조건이 있는지 확인 (group-start, group-end만 있는 경우 제외)
+          const hasValidConditions = action.conditions.some((condition) => {
+            if (condition.type !== "condition") return false;
+            if (!condition.field || !condition.operator) return false;
+
+            // value가 null, undefined, 빈 문자열이면 유효하지 않음
+            const value = condition.value;
+            if (value === null || value === undefined || value === "") return false;
+
+            return true;
+          });
+
+          return hasValidConditions;
+        });
+
+        return !hasActions || !allActionsHaveMappings || !allMappingsComplete || !allRequiredConditionsMet;
 
       case "external-call":
         // 외부 호출: 설정 ID와 메시지가 있어야 함
diff --git a/frontend/components/dataflow/connection/ActionConditionsSection.tsx b/frontend/components/dataflow/connection/ActionConditionsSection.tsx
index 9e40cade..ff498dc0 100644
--- a/frontend/components/dataflow/connection/ActionConditionsSection.tsx
+++ b/frontend/components/dataflow/connection/ActionConditionsSection.tsx
@@ -32,6 +32,22 @@ export const ActionConditionsSection: React.FC<ActionConditionsSectionProps> = (
 }) => {
   const { addActionGroupStart, addActionGroupEnd, getActionCurrentGroupLevel } = useActionConditionHelpers();
 
+  // INSERT가 아닌 액션 타입인지 확인
+  const isConditionRequired = action.actionType !== "insert";
+
+  // 유효한 조건이 있는지 확인 (group-start, group-end만 있는 경우 제외)
+  const hasValidConditions =
+    action.conditions?.some((condition) => {
+      if (condition.type !== "condition") return false;
+      if (!condition.field || !condition.operator) return false;
+
+      // value가 null, undefined, 빈 문자열이면 유효하지 않음
+      const value = condition.value;
+      if (value === null || value === undefined || value === "") return false;
+
+      return true;
+    }) || false;
+
   const addActionCondition = () => {
     const newActions = [...settings.actions];
     if (!newActions[actionIndex].conditions) {
@@ -65,14 +81,28 @@ export const ActionConditionsSection: React.FC<ActionConditionsSectionProps> = (
   return (
     <div className="mt-3">
       <details className="group">
-        <summary className="flex cursor-pointer items-center justify-between rounded border p-2 text-xs font-medium text-gray-700 hover:bg-gray-50 hover:text-gray-900">
+        <summary
+          className={`flex cursor-pointer items-center justify-between rounded border p-2 text-xs font-medium hover:bg-gray-50 hover:text-gray-900 ${
+            isConditionRequired && !hasValidConditions
+              ? "border-red-300 bg-red-50 text-red-700"
+              : "border-gray-200 text-gray-700"
+          }`}
+        >
           <div className="flex items-center gap-2">
-            🔍 이 액션의 실행 조건 (선택사항)
+            🔍 이 액션의 실행 조건
+            {isConditionRequired ? (
+              <span className="rounded bg-red-100 px-1 py-0.5 text-xs font-semibold text-red-700">필수</span>
+            ) : (
+              <span className="text-gray-500">(선택사항)</span>
+            )}
             {action.conditions && action.conditions.length > 0 && (
               <span className="rounded-full bg-blue-100 px-2 py-0.5 text-xs text-blue-700">
                 {action.conditions.length}개
               </span>
             )}
+            {isConditionRequired && !hasValidConditions && (
+              <span className="rounded bg-red-100 px-1 py-0.5 text-xs text-red-600">⚠️ 조건 필요</span>
+            )}
           </div>
           {action.conditions && action.conditions.length > 0 && (
             <Button
@@ -115,6 +145,36 @@ export const ActionConditionsSection: React.FC<ActionConditionsSectionProps> = (
               </Button>
             </div>
           </div>
+
+          {/* 조건이 없을 때 안내 메시지 */}
+          {(!action.conditions || action.conditions.length === 0) && (
+            <div
+              className={`rounded border p-3 text-xs ${
+                isConditionRequired
+                  ? "border-red-200 bg-red-50 text-red-700"
+                  : "border-gray-200 bg-gray-50 text-gray-600"
+              }`}
+            >
+              {isConditionRequired ? (
+                <div className="flex items-start gap-2">
+                  <span className="text-red-500">⚠️</span>
+                  <div>
+                    <div className="font-medium">실행조건이 필요합니다</div>
+                    <div className="mt-1">
+                      {action.actionType.toUpperCase()} 액션은 언제 실행될지 결정하는 조건이 반드시 필요합니다.
+                      <br />
+                      <strong>필드, 연산자, 값</strong>을 모두 입력해야 합니다.
+                      <br />
+                      예: user_name = '관리자우저' AND status = 'active'
+                    </div>
+                  </div>
+                </div>
+              ) : (
+                <div>조건이 설정되지 않았습니다. INSERT 액션은 조건 없이도 실행 가능합니다.</div>
+              )}
+            </div>
+          )}
+
           {action.conditions && action.conditions.length > 0 && (
             <div className="space-y-2">
               {action.conditions.map((condition, condIndex) => (
diff --git a/frontend/components/dataflow/connection/ActionFieldMappings.tsx b/frontend/components/dataflow/connection/ActionFieldMappings.tsx
index 1a4f19da..d75d804b 100644
--- a/frontend/components/dataflow/connection/ActionFieldMappings.tsx
+++ b/frontend/components/dataflow/connection/ActionFieldMappings.tsx
@@ -54,7 +54,10 @@ export const ActionFieldMappings: React.FC<ActionFieldMappingsProps> = ({
   return (
     <div className="mt-3">
       <div className="mb-2 flex items-center justify-between">
-        <Label className="text-xs font-medium">필드 매핑</Label>
+        <div className="flex items-center gap-2">
+          <Label className="text-xs font-medium">필드 매핑</Label>
+          <span className="text-xs text-red-600">(필수)</span>
+        </div>
         <Button size="sm" variant="outline" onClick={addFieldMapping} className="h-6 text-xs">
           <Plus className="mr-1 h-2 w-2" />
           매핑 추가
@@ -208,6 +211,22 @@ export const ActionFieldMappings: React.FC<ActionFieldMappingsProps> = ({
             </div>
           </div>
         ))}
+
+        {/* 필드 매핑이 없을 때 안내 메시지 */}
+        {action.fieldMappings.length === 0 && (
+          <div className="rounded border border-red-200 bg-red-50 p-3 text-xs text-red-700">
+            <div className="flex items-start gap-2">
+              <span className="text-red-500">⚠️</span>
+              <div>
+                <div className="font-medium">필드 매핑이 필요합니다</div>
+                <div className="mt-1">
+                  {action.actionType.toUpperCase()} 액션은 어떤 데이터를 어떻게 처리할지 결정하는 필드 매핑이
+                  필요합니다.
+                </div>
+              </div>
+            </div>
+          </div>
+        )}
       </div>
     </div>
   );
diff --git a/frontend/components/dataflow/connection/DataSaveSettings.tsx b/frontend/components/dataflow/connection/DataSaveSettings.tsx
index 15047f6a..b9483e8a 100644
--- a/frontend/components/dataflow/connection/DataSaveSettings.tsx
+++ b/frontend/components/dataflow/connection/DataSaveSettings.tsx
@@ -135,25 +135,52 @@ export const DataSaveSettings: React.FC<DataSaveSettingsProps> = ({
                     toTableName={toTableName}
                   />
 
-                  {/* 데이터 분할 설정 */}
-                  <ActionSplitConfig
-                    action={action}
-                    actionIndex={actionIndex}
-                    settings={settings}
-                    onSettingsChange={onSettingsChange}
-                    fromTableColumns={fromTableColumns}
-                    toTableColumns={toTableColumns}
-                  />
+                  {/* 데이터 분할 설정 - DELETE 액션은 제외 */}
+                  {action.actionType !== "delete" && (
+                    <ActionSplitConfig
+                      action={action}
+                      actionIndex={actionIndex}
+                      settings={settings}
+                      onSettingsChange={onSettingsChange}
+                      fromTableColumns={fromTableColumns}
+                      toTableColumns={toTableColumns}
+                    />
+                  )}
 
-                  {/* 필드 매핑 */}
-                  <ActionFieldMappings
-                    action={action}
-                    actionIndex={actionIndex}
-                    settings={settings}
-                    onSettingsChange={onSettingsChange}
-                    availableTables={availableTables}
-                    tableColumnsCache={tableColumnsCache}
-                  />
+                  {/* 필드 매핑 - DELETE 액션은 제외 */}
+                  {action.actionType !== "delete" && (
+                    <ActionFieldMappings
+                      action={action}
+                      actionIndex={actionIndex}
+                      settings={settings}
+                      onSettingsChange={onSettingsChange}
+                      availableTables={availableTables}
+                      tableColumnsCache={tableColumnsCache}
+                    />
+                  )}
+
+                  {/* DELETE 액션일 때 안내 메시지 */}
+                  {action.actionType === "delete" && (
+                    <div className="mt-3">
+                      <div className="rounded border border-blue-200 bg-blue-50 p-3 text-xs text-blue-700">
+                        <div className="flex items-start gap-2">
+                          <span>ℹ️</span>
+                          <div>
+                            <div className="font-medium">DELETE 액션 정보</div>
+                            <div className="mt-1">
+                              DELETE 액션은 <strong>실행조건만</strong> 필요합니다.
+                              <br />
+                              • 데이터 분할 설정: 불필요 (삭제 작업에는 분할이 의미 없음)
+                              <br />
+                              • 필드 매핑: 불필요 (조건에 맞는 데이터를 통째로 삭제)
+                              <br />
+                              위에서 설정한 실행조건에 맞는 모든 데이터가 삭제됩니다.
+                            </div>
+                          </div>
+                        </div>
+                      </div>
+                    </div>
+                  )}
                 </div>
               ))}
             </div>