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Categories / Delphi / ADO Database
 

Single and multiple application server instances

Question: What is the difference between single and multiple instance application servers in a multi-tier application? Answer: This can best be thought of from the point of view of the application server and how many clients can it support. One multi-instance server can support multiple clients. A single instance server can only support one client. Multi-instance servers create multiple data modules in one instance of the server. Single instance servers are launched for each client.