three tier : Java Glossary

three tier
A true three tier database access means you have application code running in both the client and the server. The client and server application code exchange transactions. The application code running on the server accesses the SQL (Standard Query Language) database. dbAnywhere is a quasi-three tier database access. It runs on a server and allows clients to speak the JDBC (Java Data Base Connectivity) dialect of SQL and translates the requests into native SQL dialects and hands them off to the SQL server. There is no application specific code on the server.

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