jdbc 连接几种常见的数据库
常见的数据库的连接方法：
具体的jdbc API 的用法我就省略了。
Oracle
drive: oracle.jdbc.driver.OracleDriver
connect String: "jdbc:oracle:thin:@hostip:1521:oracleSID"
sybase:
drive: com.sybase.jdbc.SybDriver
connect String: "jdbc:sybase:Tds:hostip:4000/databasename"
DB2:
drive: COM.ibm.db2.jdbc.app.DB2Driver
connect String: "jdbc:db2://hostip:8888/databasename"
sqlserver:
drive: com.microsoft.jdbc.sqlserver.SQLServerDriver
connect String: "jdbc:microsoft:sqlserver://hostip:1433"