SQL works in a client and server environment.
The client sends a request to the database using an SQL query.
The database server processes the query and returns the result.
This process happens every time an application interacts with data.
Before running any SQL command, the database must be selected.
The database server executes queries only on the active database.
This ensures data is handled in the correct system.
When a query is executed, the SQL engine checks the syntax.
If the syntax is valid, the DBMS identifies the required table and data.
The server then performs the operation internally.
After processing the query, the database server prepares the result.
Only the required data is returned to the application.
This makes SQL communication efficient and secure.
This entire process happens within milliseconds.
Users only see the final result on the screen, while SQL works silently in the backend.
Understanding this flow helps developers write better queries.