How can a Blazor server app access SQL Server data in real-time without using SQLTableDependency?

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There are several ways to access SQL Server data in real-time from a Blazor server app without using SQLTableDependency. Some of these methods include:

1. Using the SignalR library to create a real-time connection between the server and the client. This can be done by configuring a SignalR hub on the server and connecting to it from the client using a SignalR client connection. Once the connection is established, the server can push updates to the client whenever the SQL Server data changes.

2. Using a polling mechanism to periodically check for updates to the SQL Server data. This can be done by setting up a timer on the server to periodically poll the SQL Server database for updates. When updates are detected, the server can push them to the client using SignalR or another real-time communication technology.

3. Using a message queue to receive notifications of changes to the SQL Server data. This can be done by configuring a message queue on the server and adding triggers to the SQL Server database to send messages to the queue whenever data is inserted, updated, or deleted. The server can then consume messages from the queue and push updates to the client using SignalR or another real-time communication technology.

4. Using WebSockets to establish a real-time connection between the server and the client. This can be done by configuring a WebSocket endpoint on the server and connecting to it from the client using a WebSocket client connection. Once the connection is established, the server can push updates to the client whenever the SQL Server data changes.

Overall, there are many ways to access SQL Server data in real-time from a Blazor server app without using SQLTableDependency. The specific approach you choose will depend on your application's requirements and the technologies you are comfortable working with.