1. Java API for Database Connectivity
Chapter-3 JDBC
Java API for Database Connectivity

2. What you expect in DB API
Java Application
Java DB API
Open a Connection
Send a statement
Retrieve results
Close a connection
DBMS Engine
Create a connection Session
Execute statement
Send results
Close the session

3. Big picture Java Application JDBC API JDBC Manager JDBC Driver API
JDBC Drivers
Grey Area
Data Sources

4. JDBC driver type-1 Uses the existing API Not the fastest
JDBC-ODBC Bridge
Java
ODBC Driver
Native Driver
Non Java
Net Driver

5. JDBC driver type-2 Uses vendor-provided local libraries Most efficient
Java
Native Driver
Non Java
Net Driver

6. Implements a proprietary
JDBC driver type-3 & 4
100% java.
JDBC – Net Driver
Java
JDBC Driver
Implements a proprietary
Protocol in java
Java

7. Complete JDBC Architecture
Java Application
JDBC Interface
JDBC Driver Manager
JDBC Driver Interface
JDBC Net Driver A
JDBC–ODBC Bridge B
JDBC Driver C
JDBC Driver D
ODBC Driver
Native Driver C
Native Driver B A B C D

8. JDBC Interface classes
Java.sql package
DriverManager
Connection
Statement
CallableStatement
PreparedStatement
Resultset
ResultSetMetaData
DatabaseMetatData