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Module 6: Introduction to Java Database Connectivity

20267m

Compare the four types of JDBC drivers with respect to architecture, dependence on native libraries, portability and typical use.

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Four types of JDBC drivers

Type Architecture Native dependency Portability
1: JDBC–ODBC bridge JDBC translated to ODBC ODBC/native layer Low; obsolete/removed from modern JDKs
2: Native API JDBC translated to vendor native API Yes Requires native library per platform
3: Network protocol JDBC sent to middleware, translated to DB protocol Usually no client native library Portable, requires middleware
4: Thin/pure Java JDBC translated directly to database wire protocol No High; needs database-specific driver

Type 4 is widely used because it is pure Java and communicates directly with the database server. Choose a driver supported by the target database and deployment environment.

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