diff --git a/src/components/sidebar/TreeItem.vue b/src/components/sidebar/TreeItem.vue
index e2bd2736bc..6606d83483 100644
--- a/src/components/sidebar/TreeItem.vue
+++ b/src/components/sidebar/TreeItem.vue
@@ -73,6 +73,7 @@ import {
   FIELD_LINEAGE_SUPPORTED_TYPES,
   TREE_SCHEMA_TYPES,
   PG_LIKE_STRUCTURE_TYPES,
+  CREATE_DATABASE_SUPPORTED_TYPES,
   isSchemaAware,
   usesFetchFirst,
 } from "@/lib/databaseCapabilities";
@@ -378,6 +379,13 @@ const showTruncateTableConfirm = ref(false);
 const showDuplicateDialog = ref(false);
 const duplicateTableName = ref("");
 
+const showCreateDatabaseDialog = ref(false);
+const createDatabaseName = ref("");
+const showDropDatabaseConfirm = ref(false);
+const showCreateSchemaDialog = ref(false);
+const createSchemaName = ref("");
+const showDropSchemaConfirm = ref(false);
+
 const isTableNotView = computed(() => props.node.type === "table");
 
 const supportsTruncate = computed(() => {
@@ -395,6 +403,26 @@ const canCreateTable = computed(() => {
   );
 });
 
+const canCreateDatabase = computed(() => {
+  const config = props.node.connectionId ? connectionStore.getConfig(props.node.connectionId) : undefined;
+  return props.node.type === "connection" && !!config && CREATE_DATABASE_SUPPORTED_TYPES.has(config.db_type);
+});
+
+const canDropDatabase = computed(() => {
+  const config = props.node.connectionId ? connectionStore.getConfig(props.node.connectionId) : undefined;
+  return props.node.type === "database" && !!config && CREATE_DATABASE_SUPPORTED_TYPES.has(config.db_type);
+});
+
+const canCreateSchema = computed(() => {
+  const config = props.node.connectionId ? connectionStore.getConfig(props.node.connectionId) : undefined;
+  return props.node.type === "database" && !!config && TREE_SCHEMA_TYPES.has(config.db_type);
+});
+
+const canDropSchema = computed(() => {
+  const config = props.node.connectionId ? connectionStore.getConfig(props.node.connectionId) : undefined;
+  return props.node.type === "schema" && !!config && TREE_SCHEMA_TYPES.has(config.db_type);
+});
+
 function buildDropTableSql(): string {
   return `DROP TABLE ${qualifiedTableName(props.node.label, props.node.schema)};`;
 }
@@ -463,6 +491,93 @@ async function confirmTruncateTable() {
   }
 }
 
+function buildDropDatabaseSql(): string {
+  return `DROP DATABASE ${quoteIdent(props.node.label)};`;
+}
+
+function buildDropSchemaSql(): string {
+  const dbType = currentDatabaseType();
+  const name = quoteIdent(props.node.label);
+  if (dbType === "postgres" || dbType === "gaussdb") return `DROP SCHEMA ${name} CASCADE;`;
+  return `DROP SCHEMA ${name};`;
+}
+
+function openCreateDatabaseDialog() {
+  createDatabaseName.value = "";
+  showCreateDatabaseDialog.value = true;
+}
+
+async function confirmCreateDatabase() {
+  const node = props.node;
+  const name = createDatabaseName.value.trim();
+  if (!name || !node.connectionId) return;
+  showCreateDatabaseDialog.value = false;
+  try {
+    await connectionStore.ensureConnected(node.connectionId);
+    const sql = `CREATE DATABASE ${quoteIdent(name)};`;
+    await api.executeQuery(node.connectionId, "", sql);
+    toast(t("contextMenu.createDatabaseSuccess", { name }), 3000);
+    await connectionStore.loadDatabases(node.connectionId);
+  } catch (e: any) {
+    toast(t("contextMenu.tableOperationFailed", { message: e?.message || String(e) }), 5000);
+  }
+}
+
+function dropDatabase() {
+  showDropDatabaseConfirm.value = true;
+}
+
+async function confirmDropDatabase() {
+  const node = props.node;
+  if (!node.connectionId) return;
+  try {
+    await connectionStore.ensureConnected(node.connectionId);
+    await api.executeQuery(node.connectionId, "", buildDropDatabaseSql());
+    toast(t("contextMenu.dropDatabaseSuccess", { name: node.label }), 3000);
+    await connectionStore.loadDatabases(node.connectionId);
+  } catch (e: any) {
+    toast(t("contextMenu.tableOperationFailed", { message: e?.message || String(e) }), 5000);
+  }
+}
+
+function openCreateSchemaDialog() {
+  createSchemaName.value = "";
+  showCreateSchemaDialog.value = true;
+}
+
+async function confirmCreateSchema() {
+  const node = props.node;
+  const name = createSchemaName.value.trim();
+  if (!name || !node.connectionId || !node.database) return;
+  showCreateSchemaDialog.value = false;
+  try {
+    await connectionStore.ensureConnected(node.connectionId);
+    const sql = `CREATE SCHEMA ${quoteIdent(name)};`;
+    await api.executeQuery(node.connectionId, node.database, sql);
+    toast(t("contextMenu.createSchemaSuccess", { name }), 3000);
+    await connectionStore.loadSchemas(node.connectionId, node.database);
+  } catch (e: any) {
+    toast(t("contextMenu.tableOperationFailed", { message: e?.message || String(e) }), 5000);
+  }
+}
+
+function dropSchema() {
+  showDropSchemaConfirm.value = true;
+}
+
+async function confirmDropSchema() {
+  const node = props.node;
+  if (!node.connectionId || !node.database) return;
+  try {
+    await connectionStore.ensureConnected(node.connectionId);
+    await api.executeQuery(node.connectionId, node.database, buildDropSchemaSql());
+    toast(t("contextMenu.dropSchemaSuccess", { name: node.label }), 3000);
+    await connectionStore.loadSchemas(node.connectionId, node.database);
+  } catch (e: any) {
+    toast(t("contextMenu.tableOperationFailed", { message: e?.message || String(e) }), 5000);
+  }
+}
+
 function duplicateStructure() {
   duplicateTableName.value = `${props.node.label}_copy`;
   showDuplicateDialog.value = true;
@@ -1163,6 +1278,9 @@ const isDragging = computed(() => dragState.active && dragState.draggedId === pr
         <ContextMenuItem v-if="canOpenSqlFileExecution" @click="openSqlFileExecution">
           <FileCode class="w-4 h-4" /> {{ t("sqlFile.title") }}
         </ContextMenuItem>
+        <ContextMenuItem v-if="canCreateDatabase" @click="openCreateDatabaseDialog">
+          <Plus class="w-4 h-4" /> {{ t("contextMenu.createDatabase") }}
+        </ContextMenuItem>
         <ContextMenuSeparator />
         <ContextMenuSub v-if="availableGroups.length > 0 || currentGroupId">
           <ContextMenuSubTrigger>
@@ -1228,6 +1346,9 @@ const isDragging = computed(() => dragState.active && dragState.draggedId === pr
         <ContextMenuItem v-if="canCreateTable" @click="createTable">
           <Plus class="w-4 h-4" /> {{ t("contextMenu.createTable") }}
         </ContextMenuItem>
+        <ContextMenuItem v-if="canCreateSchema" @click="openCreateSchemaDialog">
+          <Plus class="w-4 h-4" /> {{ t("contextMenu.createSchema") }}
+        </ContextMenuItem>
         <ContextMenuItem v-if="canOpenSqlFileExecution" @click="openSqlFileExecution">
           <FileCode class="w-4 h-4" /> {{ t("sqlFile.title") }}
         </ContextMenuItem>
@@ -1252,6 +1373,15 @@ const isDragging = computed(() => dragState.active && dragState.draggedId === pr
           <Download v-else class="w-4 h-4" />
           {{ t("contextMenu.exportDatabase") }}
         </ContextMenuItem>
+        <template v-if="canDropDatabase || canDropSchema">
+          <ContextMenuSeparator />
+          <ContextMenuItem v-if="canDropDatabase" class="text-destructive" @click="dropDatabase">
+            <Trash2 class="w-4 h-4" /> {{ t("contextMenu.dropDatabase") }}
+          </ContextMenuItem>
+          <ContextMenuItem v-if="canDropSchema" class="text-destructive" @click="dropSchema">
+            <Trash2 class="w-4 h-4" /> {{ t("contextMenu.dropSchema") }}
+          </ContextMenuItem>
+        </template>
       </template>
 
       <template v-if="node.type === 'redis-db' || node.type === 'mongo-db'">
@@ -1438,4 +1568,60 @@ const isDragging = computed(() => dragState.active && dragState.draggedId === pr
       </DialogFooter>
     </DialogContent>
   </Dialog>
+
+  <Dialog v-model:open="showCreateDatabaseDialog">
+    <DialogContent class="sm:max-w-[400px]">
+      <DialogHeader>
+        <DialogTitle>{{ t("contextMenu.createDatabase") }}</DialogTitle>
+      </DialogHeader>
+      <Input
+        v-model="createDatabaseName"
+        :placeholder="t('contextMenu.createDatabaseNamePlaceholder')"
+        @keydown.enter.prevent="confirmCreateDatabase"
+      />
+      <DialogFooter>
+        <Button variant="outline" @click="showCreateDatabaseDialog = false">{{ t("dangerDialog.cancel") }}</Button>
+        <Button :disabled="!createDatabaseName.trim()" @click="confirmCreateDatabase">{{
+          t("dangerDialog.confirm")
+        }}</Button>
+      </DialogFooter>
+    </DialogContent>
+  </Dialog>
+
+  <DangerConfirmDialog
+    v-model:open="showDropDatabaseConfirm"
+    :title="t('contextMenu.confirmDropDatabaseTitle')"
+    :message="t('contextMenu.confirmDropDatabaseMessage', { name: node.label })"
+    :sql="buildDropDatabaseSql()"
+    :confirm-label="t('contextMenu.dropDatabase')"
+    @confirm="confirmDropDatabase"
+  />
+
+  <Dialog v-model:open="showCreateSchemaDialog">
+    <DialogContent class="sm:max-w-[400px]">
+      <DialogHeader>
+        <DialogTitle>{{ t("contextMenu.createSchema") }}</DialogTitle>
+      </DialogHeader>
+      <Input
+        v-model="createSchemaName"
+        :placeholder="t('contextMenu.createSchemaNamePlaceholder')"
+        @keydown.enter.prevent="confirmCreateSchema"
+      />
+      <DialogFooter>
+        <Button variant="outline" @click="showCreateSchemaDialog = false">{{ t("dangerDialog.cancel") }}</Button>
+        <Button :disabled="!createSchemaName.trim()" @click="confirmCreateSchema">{{
+          t("dangerDialog.confirm")
+        }}</Button>
+      </DialogFooter>
+    </DialogContent>
+  </Dialog>
+
+  <DangerConfirmDialog
+    v-model:open="showDropSchemaConfirm"
+    :title="t('contextMenu.confirmDropSchemaTitle')"
+    :message="t('contextMenu.confirmDropSchemaMessage', { name: node.label })"
+    :sql="buildDropSchemaSql()"
+    :confirm-label="t('contextMenu.dropSchema')"
+    @confirm="confirmDropSchema"
+  />
 </template>
diff --git a/src/i18n/locales/en.ts b/src/i18n/locales/en.ts
index 49cde113ba..a3d5e2cb18 100644
--- a/src/i18n/locales/en.ts
+++ b/src/i18n/locales/en.ts
@@ -451,6 +451,22 @@ export default {
     tableOperationFailed: "Operation failed: {message}",
     duplicateNameTitle: "Duplicate Structure",
     duplicateNamePlaceholder: "New table name",
+    createDatabase: "Create Database",
+    dropDatabase: "Drop Database",
+    confirmDropDatabaseTitle: "Drop Database",
+    confirmDropDatabaseMessage:
+      'Are you sure you want to drop database "{name}"? This will permanently delete the database and all its data.',
+    createDatabaseSuccess: 'Database "{name}" created',
+    dropDatabaseSuccess: 'Database "{name}" dropped',
+    createDatabaseNamePlaceholder: "Database name",
+    createSchema: "Create Schema",
+    dropSchema: "Drop Schema",
+    confirmDropSchemaTitle: "Drop Schema",
+    confirmDropSchemaMessage:
+      'Are you sure you want to drop schema "{name}"? This will permanently delete the schema and all its objects.',
+    createSchemaSuccess: 'Schema "{name}" created',
+    dropSchemaSuccess: 'Schema "{name}" dropped',
+    createSchemaNamePlaceholder: "Schema name",
   },
   tree: {
     columns: "Columns",
diff --git a/src/i18n/locales/zh-CN.ts b/src/i18n/locales/zh-CN.ts
index d872778797..f66a07a477 100644
--- a/src/i18n/locales/zh-CN.ts
+++ b/src/i18n/locales/zh-CN.ts
@@ -442,6 +442,20 @@ export default {
     tableOperationFailed: "操作失败：{message}",
     duplicateNameTitle: "复制表结构",
     duplicateNamePlaceholder: "新表名",
+    createDatabase: "新建数据库",
+    dropDatabase: "删除数据库",
+    confirmDropDatabaseTitle: "删除数据库",
+    confirmDropDatabaseMessage: "确定要删除数据库「{name}」吗？这将永久删除该数据库及其所有数据。",
+    createDatabaseSuccess: "数据库「{name}」已创建",
+    dropDatabaseSuccess: "数据库「{name}」已删除",
+    createDatabaseNamePlaceholder: "数据库名称",
+    createSchema: "新建 Schema",
+    dropSchema: "删除 Schema",
+    confirmDropSchemaTitle: "删除 Schema",
+    confirmDropSchemaMessage: "确定要删除 Schema「{name}」吗？这将永久删除该 Schema 及其所有对象。",
+    createSchemaSuccess: "Schema「{name}」已创建",
+    dropSchemaSuccess: "Schema「{name}」已删除",
+    createSchemaNamePlaceholder: "Schema 名称",
   },
   tree: {
     columns: "字段",
diff --git a/src/lib/databaseCapabilities.ts b/src/lib/databaseCapabilities.ts
index 8aa555a483..62080b4a30 100644
--- a/src/lib/databaseCapabilities.ts
+++ b/src/lib/databaseCapabilities.ts
@@ -52,6 +52,19 @@ export const TABLE_IMPORT_SUPPORTED_TYPES = new Set<DatabaseType>([
 
 export const TABLE_STRUCTURE_SUPPORTED_TYPES = new Set<DatabaseType>(["mysql", "postgres", "sqlite", "sqlserver"]);
 
+export const CREATE_DATABASE_SUPPORTED_TYPES = new Set<DatabaseType>([
+  "mysql",
+  "postgres",
+  "sqlserver",
+  "clickhouse",
+  "oracle",
+  "dameng",
+  "gaussdb",
+  "doris",
+  "starrocks",
+  "redshift",
+]);
+
 export const FIELD_LINEAGE_SUPPORTED_TYPES = new Set<DatabaseType>([
   "mysql",
   "postgres",