diff --git a/backend/src/test/java/com/opensource/docgrid/domain/dashboard/service/query/DashboardQueryCountIntegrationTest.java b/backend/src/test/java/com/opensource/docgrid/domain/dashboard/service/query/DashboardQueryCountIntegrationTest.java
new file mode 100644
index 00000000..ae8c8a44
--- /dev/null
+++ b/backend/src/test/java/com/opensource/docgrid/domain/dashboard/service/query/DashboardQueryCountIntegrationTest.java
@@ -0,0 +1,77 @@
+package com.opensource.docgrid.domain.dashboard.service.query;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.hibernate.SessionFactory;
+import org.hibernate.stat.Statistics;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+
+import jakarta.persistence.EntityManagerFactory;
+
+/**
+ * 대시보드 집계 1회({@code DashboardQueryService.getSummary()})가 실행하는 SQL 개수를 고정한다.
+ *
+ * <p>이벤트 기반 push의 debounce 설계는 "집계 1회 = 쿼리 9개(문서 3 + 작업 4 + Worker 1 + 검색 1)"를
+ * 전제로 한다. 지표나 조회 방식이 바뀌어 쿼리 수가 조용히 늘어나는 것을 잡기 위해 실제
+ * PostgreSQL에서 Hibernate {@link Statistics}로 prepared statement 수를 검증한다.
+ *
+ * <p>지표 카테고리나 쿼리를 추가·변경하면 기대값도 함께 갱신해야 한다.
+ */
+@Tag("integration")
+@ActiveProfiles("test")
+@SpringBootTest
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+@DisplayName("대시보드 집계 SQL 개수 통합 테스트")
+class DashboardQueryCountIntegrationTest {
+
+    private static final String TEST_SCHEMA = "docgrid_dashboard_query_count_test";
+    private static final long EXPECTED_STATEMENT_COUNT = 9L;
+
+    @Autowired
+    private DashboardQueryService dashboardQueryService;
+
+    @Autowired
+    private EntityManagerFactory entityManagerFactory;
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    @DynamicPropertySource
+    static void configureDatabase(DynamicPropertyRegistry registry) {
+        registry.add("TEST_DB_SCHEMA", () -> TEST_SCHEMA);
+        registry.add("jwt.secret", () -> "docgrid-dashboard-query-count-test-secret-key-2026");
+    }
+
+    @AfterAll
+    void dropSchema() {
+        jdbcTemplate.execute("DROP SCHEMA IF EXISTS " + TEST_SCHEMA + " CASCADE");
+    }
+
+    @Test
+    @DisplayName("정상 케이스: getSummary() 1회는 SQL 9개를 실행한다")
+    void getSummary_executesNineStatements() {
+        // Given — 첫 호출의 초기화 비용이 섞이지 않도록 워밍업 후 통계를 비운다.
+        Statistics statistics = entityManagerFactory.unwrap(SessionFactory.class).getStatistics();
+        statistics.setStatisticsEnabled(true);
+        dashboardQueryService.getSummary();
+        statistics.clear();
+
+        // When
+        dashboardQueryService.getSummary();
+
+        // Then
+        assertThat(statistics.getPrepareStatementCount()).isEqualTo(EXPECTED_STATEMENT_COUNT);
+    }
+}