update for merge

Author: Max Wang

README.md

@@ -33,7 +33,7 @@ A Python client library for Microsoft Dataverse that provides a unified interfac
 ## Key features
 
 - **🔄 CRUD Operations**: Create, read, update, and delete records with support for bulk operations and automatic retry
-- **⚡ True Bulk Operations**: Automatically uses Dataverse's native `CreateMultiple`, `UpdateMultiple`, and `BulkDelete` Web API operations for maximum performance and transactional integrity
+- **⚡ True Bulk Operations**: Automatically uses Dataverse's native `CreateMultiple`, `UpdateMultiple`, `DeleteMultiple` (elastic tables only), and `BulkDelete` Web API operations for maximum performance and transactional integrity
 - **📊 SQL Queries**: Execute read-only SQL queries via the Dataverse Web API `?sql=` parameter  
 - **🏗️ Table Management**: Create, inspect, and delete custom tables and columns programmatically
 - **📎 File Operations**: Upload files to Dataverse file columns with automatic chunking for large files
@@ -162,7 +162,10 @@ ids = client.create("account", payloads)
 client.update("account", ids, {"industry": "Technology"})
 
 # Bulk delete
-client.delete("account", ids, use_bulk_delete=True)
+client.delete("account", ids)
+
+# Bulk delete async
+client.delete_async("account", ids)
 ```
 
 ### Query data

examples/advanced/walkthrough.py

@@ -281,11 +281,19 @@ def main():
     client.delete(table_name, id1)
     print(f"✓ Deleted single record: {id1}")
 
-    # Multiple delete (delete the paging demo records)
-    log_call(f"client.delete('{table_name}', [{len(paging_ids)} IDs])")
-    job_id = client.delete(table_name, paging_ids)
-    print(f"✓ Bulk delete job started: {job_id}")
-    print(f"  (Deleting {len(paging_ids)} paging demo records)")
+    # Multiple delete (demonstrate async bulk job and synchronous fallback)
+    midpoint = len(paging_ids) // 2
+    async_ids = paging_ids[:midpoint]
+    sync_ids = paging_ids[midpoint:]
+
+    log_call(f"client.delete_async('{table_name}', [{len(async_ids)} IDs])")
+    job_id = client.delete_async(table_name, async_ids)
+    print(f"✓ Bulk delete job queued: {job_id}")
+    print(f"  (Deleting {len(async_ids)} paging demo records asynchronously)")
+
+    log_call(f"client.delete('{table_name}', [{len(sync_ids)} IDs])")
+    client.delete(table_name, sync_ids)
+    print(f"✓ Synchronously deleted {len(sync_ids)} paging demo records")
 
     # ============================================================================
     # 11. CLEANUP