diff --git a/data/eTSDDMQuery/README_zh.md b/data/eTSDDMQuery/README_zh.md
new file mode 100644
index 0000000000000000000000000000000000000000..e7930762c50296d813c80f29f5eb6a5739baacd8
--- /dev/null
+++ b/data/eTSDDMQuery/README_zh.md
@@ -0,0 +1,23 @@
+# DDM结果集与谓词查询
+
+### 简介
+
+本示例展示了分布式数据管理中，如何通过构建query对象， 查询kvstore中的数据，获取结果集。
+
+### 使用说明
+
+1.点击**添加数据**，将模板数据存入数据库
+
+2.点击**查询指定字段结果集**，从数据库中查询key包含指定字段的结果集
+
+3.点击**查询指定值条目**，通过谓词从数据库中查询key包含指定字段的结果集
+
+4.点击**与条件查询**，通过谓词从数据库中查询指定FieldNode对应的值不为特定值的结果集
+
+5.点击**查询結果降序**，通过谓词从数据库中查询指定FieldNode对应的值不为特定值且降序排序的结果集
+
+6.点击**查询小于指定值**，通过谓词从数据库中查询指定FieldNode对应的值小于特定值的键值对列表
+
+### 约束与限制
+
+本示例仅支持在标准系统上运行。
\ No newline at end of file
diff --git a/data/eTSDDMQuery/build.gradle b/data/eTSDDMQuery/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..f1b1a556a0c09953268d32e7da54b1e1ba664bac
--- /dev/null
+++ b/data/eTSDDMQuery/build.gradle
@@ -0,0 +1,34 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+apply plugin: 'com.huawei.ohos.app'
+
+//For instructions on signature configuration, see https://developer.harmonyos.com/cn/docs/documentation/doc-guides/ide_debug_device-0000001053822404#section1112183053510
+ohos {
+    compileSdkVersion 8
+    supportSystem "standard"
+}
+
+buildscript {
+    repositories {
+        maven {
+            url 'https://repo.huaweicloud.com/repository/maven/'
+        }
+        maven {
+            url 'https://developer.huawei.com/repo/'
+        }
+    }
+    dependencies {
+        classpath 'com.huawei.ohos:hap:3.0.5.2'
+        classpath 'com.huawei.ohos:decctest:1.2.7.2'
+    }
+}
+
+allprojects {
+    repositories {
+        maven {
+            url 'https://repo.huaweicloud.com/repository/maven/'
+        }
+        maven {
+            url 'https://developer.huawei.com/repo/'
+        }
+    }
+}
diff --git a/data/eTSDDMQuery/entry/build.gradle b/data/eTSDDMQuery/entry/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..cef7b37de8f320938458ca42edde1462669836d2
--- /dev/null
+++ b/data/eTSDDMQuery/entry/build.gradle
@@ -0,0 +1,21 @@
+apply plugin: 'com.huawei.ohos.hap'
+//For instructions on signature configuration, see https://developer.harmonyos.com/cn/docs/documentation/doc-guides/ide_debug_device-0000001053822404#section1112183053510
+ohos {
+    compileSdkVersion 8
+    defaultConfig {
+        compatibleSdkVersion 7
+    }
+    buildTypes {
+        release {
+            proguardOpt {
+                proguardEnabled false
+                rulesFiles 'proguard-rules.pro'
+            }
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.har'])
+    testImplementation 'junit:junit:4.13.1'
+}
diff --git a/data/eTSDDMQuery/entry/src/main/config.json b/data/eTSDDMQuery/entry/src/main/config.json
new file mode 100644
index 0000000000000000000000000000000000000000..20a2ab4d296823532f2e422d86b037e84fe66b38
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/config.json
@@ -0,0 +1,71 @@
+{
+  "app": {
+    "bundleName": "ohos.samples.etsddmquery",
+    "vendor": "samples",
+    "version": {
+      "code": 1000000,
+      "name": "1.0.0"
+    }
+  },
+  "deviceConfig": {},
+  "module": {
+    "package": "ohos.samples.etsddmquery",
+    "name": ".MyApplication",
+    "mainAbility": ".MainAbility",
+    "deviceType": [
+      "phone"
+    ],
+    "distro": {
+      "deliveryWithInstall": true,
+      "moduleName": "entry",
+      "moduleType": "entry",
+      "installationFree": false
+    },
+    "abilities": [
+      {
+        "skills": [
+          {
+            "entities": [
+              "entity.system.home"
+            ],
+            "actions": [
+              "action.system.home"
+            ]
+          }
+        ],
+        "orientation": "unspecified",
+        "visible": true,
+        "srcPath": "MainAbility",
+        "name": ".MainAbility",
+        "srcLanguage": "ets",
+        "icon": "$media:icon",
+        "description": "$string:description_mainability",
+        "formsEnabled": false,
+        "label": "$string:entry_MainAbility",
+        "type": "page",
+        "launchType": "standard"
+      }
+    ],
+    "js": [
+      {
+        "mode": {
+          "syntax": "ets",
+          "type": "pageAbility"
+        },
+        "pages": [
+          "pages/index"
+        ],
+        "name": ".MainAbility",
+        "window": {
+          "designWidth": 720,
+          "autoDesignWidth": false
+        }
+      }
+    ],
+    "reqPermissions": [
+      {
+        "name": "ohos.permission.DISTRIBUTED_DATASYNC"
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/ets/MainAbility/app.ets b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/app.ets
new file mode 100644
index 0000000000000000000000000000000000000000..58946d00c628e0bba577551f68471b8dae55f5f8
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/app.ets
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2020 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export default {
+  onCreate() {
+    console.info('Application onCreate')
+  },
+  onDestroy() {
+    console.info('Application onDestroy')
+  },
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/ets/MainAbility/common/query.ets b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/common/query.ets
new file mode 100644
index 0000000000000000000000000000000000000000..698e06940b1534741ff88ffc278ed83035201585
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/common/query.ets
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2020 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { KvStoreModule } from "../model/kvStoreModule.ets"
+import distributedData from '@ohos.data.distributedData'
+
+let kvStoreModule: KvStoreModule = new KvStoreModule('ohos.samples.etsddmquery', 'kvStoreTest')
+let query = new distributedData.Query()
+
+@Component
+export struct Query {
+  private options: Resource[] = [$r('app.string.push'), $r('app.string.resultSet'), $r('app.string.prefixKey'),
+  $r('app.string.orderByDesc'), $r('app.string.addResult'), $r('app.string.lessThan')]
+  @State textTitle: string = ''
+  private queryTest = null
+
+  onQuery(data) {
+    console.log('[KvStoreModule] onQuery')
+    this.textTitle = data
+  }
+
+  aboutToAppear() {
+    kvStoreModule.createKvStore()
+    this.queryTest = this.onQuery.bind(this)
+  }
+
+  build() {
+    Scroll() {
+      Column() {
+        Scroll() {
+          Text(this.textTitle)
+            .fontSize(25)
+            .width('100%')
+            .padding(10)
+            .constraintSize({ minHeight: 150 })
+            .layoutWeight(1)
+        }
+        .width('90%')
+        .height('30%')
+        .border({ width: 1, color: '#000000', radius: 10, style: 0 })
+
+        ForEach(this.options, (item, index) => {
+          Button() {
+            Text(item)
+              .width('80%')
+              .height(30)
+              .fontSize(20)
+              .textAlign(TextAlign.Center)
+              .onClick(() => {
+                console.log(`[KvStoreModule] onClick index= ${index}`)
+                switch (index) {
+                  case 0:
+                    let key = 'batch_test_string_key'
+                    kvStoreModule.put(key, this.queryTest)
+                    break
+                  case 1:
+                    kvStoreModule.getResultSet('batch_test', this.queryTest)
+                    break
+                  case 2:
+                    query.prefixKey('batch_test_string')
+                    kvStoreModule.getResultSetQuery(query, this.queryTest)
+                    break
+                  case 3:
+                    query.notEqualTo('$.name', 3)
+                    query.orderByDesc('$.name')
+                    kvStoreModule.getResultSetQuery(query, this.queryTest)
+                    break
+                  case 4:
+                    query.notEqualTo('$.name', 5)
+                    query.and()
+                    query.notEqualTo('$.name', 3)
+                    kvStoreModule.getResultSetQuery(query, this.queryTest)
+                    break
+                  case 5:
+                    query.lessThan('$.name', 7)
+                    kvStoreModule.getEntries(query, this.queryTest)
+                    break
+                  default:
+                    break
+                }
+              })
+          }
+          .margin({ top: 20 })
+          .backgroundColor('#0D9FFB')
+        }, item => JSON.stringify(item))
+      }
+      .margin({ top: 20 })
+      .width('100%')
+    }
+    .layoutWeight(1)
+  }
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/ets/MainAbility/common/titleBar.ets b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/common/titleBar.ets
new file mode 100644
index 0000000000000000000000000000000000000000..3566c7486f04b0bee0269878e26d40bfd5554c35
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/common/titleBar.ets
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@Component
+export struct TitleBar {
+  build() {
+    Row() {
+      Text($r('app.string.entry_MainAbility'))
+        .fontColor(Color.White)
+        .fontSize(30)
+        .layoutWeight(1)
+    }
+    .width('100%')
+    .height('8%')
+    .constraintSize({ minHeight: 50 })
+    .padding({ left: 15 })
+    .backgroundColor('#0D9FFB')
+  }
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/ets/MainAbility/model/kvStoreModule.ets b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/model/kvStoreModule.ets
new file mode 100644
index 0000000000000000000000000000000000000000..335e29781466d940ed37783169e9146193a6a1d0
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/model/kvStoreModule.ets
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2020 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import distributedData from '@ohos.data.distributedData'
+
+const TAG = '[KvStoreModule]:'
+
+export class KvStoreModule {
+  private bundleName: string = ''
+  private storeId: string = ''
+  SingleKVStore
+
+  constructor(bundleNme: string, storeId: string) {
+    this.bundleName = bundleNme
+    this.storeId = storeId
+  }
+
+  createKvStore() {
+    let config = {
+      bundleName: this.bundleName,
+      userInfo: {
+        userId: '0',
+        userType: 0
+      }
+    }
+    let options = {
+      createIfMissing: true,
+      encrypt: false,
+      backup: false,
+      autoSync: true,
+      kvStoreType: 1,
+      securityLevel: 3,
+      schema: ''
+    }
+    distributedData.createKVManager(config).then((manager) => {
+      console.info(`${TAG} createKVManager success, kvManager = ${JSON.stringify(manager)}`)
+
+      let name = new distributedData.FieldNode('name')
+      name.type = 1
+      name.nullable = false
+      name.default = 0
+
+      let schema = new distributedData.Schema()
+      schema.root.appendChild(name)
+      schema.indexes = ['$.name']
+      schema.mode = 1
+      options.schema = schema.toJsonString()
+      console.log(`${TAG} ${schema.toJsonString()}`)
+      manager.getKVStore(this.storeId, options).then((store) => {
+        console.info(`${TAG} getKVStore success, SingleKVStore = ${store}`)
+        this.SingleKVStore = store
+      })
+    })
+  }
+
+  put(key, callback) {
+    for (let i = 0; i < 10; i++) {
+      let value = '{"name":' + i + '}'
+      console.log(`${TAG} this.SingleKVStore = ${this.SingleKVStore} ${key} ${i} ${value}`)
+      this.SingleKVStore.put(key + i, value).then((data) => {
+        console.info(`${TAG} SingleKVStore.put success`)
+        callback('put success')
+      }).catch((err) => {
+        console.error(`${TAG} SingleKVStore.put failed ${JSON.stringify(err)}`)
+      })
+    }
+  }
+
+  getResultSet(key, callback) {
+    this.SingleKVStore.getResultSet(key, function (err, result){
+      this.resultSet(result, callback)
+    }.bind(this))
+  }
+
+  resultSet(result, callback) {
+    console.log(`${TAG} getResultSet success  result.getCount = ${result.getCount()}`)
+    console.log(`${TAG} getResultSet success  result.moveToFirst = ${result.moveToFirst()}`)
+    console.log(`${TAG} getResultSet success  result.entry = ${JSON.stringify(result.getEntry())}`)
+    let entries = ''
+    for (let i = 0; i < result.getCount(); i++) {
+      console.info(`${TAG} key = ${JSON.stringify(result.getEntry().key)}`)
+      console.info(`${TAG} value = ${JSON.stringify(result.getEntry().value.value)}`)
+      entries += `key:${JSON.stringify(result.getEntry().key)},value:${JSON.stringify(result.getEntry().value.value)}\n`
+      console.info(`${TAG} moveToNext = ${result.moveToNext()}`)
+    }
+    callback(entries)
+    this.SingleKVStore.closeResultSet(result, function (err, data) {
+      console.info(`${TAG} getResultSet closeResultSet success`)
+    })
+  }
+
+  getResultSetQuery(query, callback) {
+    console.log(`${TAG} getResultSetQuery enter`)
+    this.SingleKVStore.getResultSet(query, function (err, result){
+      query = null
+      console.log(`${TAG} getResultSetQuery getResultSet,err=${err}`)
+      this.resultSet(result, callback)
+    }.bind(this))
+  }
+
+  getEntries(query, callback) {
+    try {
+      this.SingleKVStore.getEntries(query, function (entries){
+        console.log(`${TAG} getEntries success ${JSON.stringify(entries)}`)
+        query = null
+        this.resultSet(entries, callback)
+      }.bind(this))
+    } catch (err) {
+      console.info(`${TAG} getEntries fail ${JSON.stringify(err)}`)
+    }
+  }
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/ets/MainAbility/pages/index.ets b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/pages/index.ets
new file mode 100644
index 0000000000000000000000000000000000000000..86ecd7dd652d320a2e3617997b8412e77e266d3e
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/ets/MainAbility/pages/index.ets
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2020 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Query } from "../common/query.ets"
+import { TitleBar } from "../common/titleBar.ets"
+
+@Entry
+@Component
+struct Index {
+
+  build() {
+    Column(){
+      TitleBar()
+      Query()
+    }
+    .width('100%')
+    .height('100%')
+  }
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/resources/base/element/string.json b/data/eTSDDMQuery/entry/src/main/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..314c8ff505ecca6b4faf70ccaf15c74e30072360
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/resources/base/element/string.json
@@ -0,0 +1,36 @@
+{
+  "string": [
+    {
+      "name": "entry_MainAbility",
+      "value": "eTSDDMQuery"
+    },
+    {
+      "name": "description_mainability",
+      "value": "eTS_Empty Ability"
+    },
+    {
+      "name": "push",
+      "value": "Add Data"
+    },
+    {
+      "name": "resultSet",
+      "value": "Query the result set"
+    },
+    {
+      "name": "prefixKey",
+      "value": "Query the specified value entry"
+    },
+    {
+      "name": "addResult",
+      "value": "And conditional query"
+    },
+    {
+      "name": "orderByDesc",
+      "value": "Query results descending order"
+    },
+    {
+      "name": "lessThan",
+      "value": "Query smaller than value"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/resources/base/media/icon.png b/data/eTSDDMQuery/entry/src/main/resources/base/media/icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..ce307a8827bd75456441ceb57d530e4c8d45d36c
Binary files /dev/null and b/data/eTSDDMQuery/entry/src/main/resources/base/media/icon.png differ
diff --git a/data/eTSDDMQuery/entry/src/main/resources/en/element/string.json b/data/eTSDDMQuery/entry/src/main/resources/en/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..284337c15fd8310e1ea8beb1f8ee25e847d35389
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/resources/en/element/string.json
@@ -0,0 +1,36 @@
+{
+  "string": [
+    {
+      "name": "entry_MainAbility",
+      "value": "eTSDDMQuery"
+    },
+    {
+      "name": "description_mainability",
+      "value": "eTSKvStore Ability"
+    },
+    {
+      "name": "push",
+      "value": "Add Data"
+    },
+    {
+      "name": "resultSet",
+      "value": "Query the result set"
+    },
+    {
+      "name": "prefixKey",
+      "value": "Query the specified value entry"
+    },
+    {
+      "name": "addResult",
+      "value": "And conditional query"
+    },
+    {
+      "name": "orderByDesc",
+      "value": "Query results descending order"
+    },
+    {
+      "name": "lessThan",
+      "value": "Query smaller than value"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/entry/src/main/resources/zh/element/string.json b/data/eTSDDMQuery/entry/src/main/resources/zh/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..3050c8ff259c873371a58b7463f2ddd918e8087d
--- /dev/null
+++ b/data/eTSDDMQuery/entry/src/main/resources/zh/element/string.json
@@ -0,0 +1,36 @@
+{
+  "string": [
+    {
+      "name": "entry_MainAbility",
+      "value": "eTSDDMQuery"
+    },
+    {
+      "name": "description_mainability",
+      "value": "eTSKvStore Ability"
+    },
+    {
+      "name": "push",
+      "value": "添加数据"
+    },
+    {
+      "name": "resultSet",
+      "value": "查询指定字段结果集"
+    },
+    {
+      "name": "prefixKey",
+      "value": "查询指定值条目"
+    },
+    {
+      "name": "addResult",
+      "value": "与条件查询"
+    },
+    {
+      "name": "orderByDesc",
+      "value": "查询結果降序"
+    },
+    {
+      "name": "lessThan",
+      "value": "查询小于指定值"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/data/eTSDDMQuery/screenshots/devices/eTSDDMQuery.png b/data/eTSDDMQuery/screenshots/devices/eTSDDMQuery.png
new file mode 100644
index 0000000000000000000000000000000000000000..9f4ff7df6923585dface07927f9a8c28464021e0
Binary files /dev/null and b/data/eTSDDMQuery/screenshots/devices/eTSDDMQuery.png differ
diff --git a/data/eTSDDMQuery/settings.gradle b/data/eTSDDMQuery/settings.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..4773db73233a570c2d0c01a22e75321acfbf7a07
--- /dev/null
+++ b/data/eTSDDMQuery/settings.gradle
@@ -0,0 +1 @@
+include ':entry'