Create table with foreign key
/*
Copyright 2003 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
Use of this software is authorized pursuant to the terms of the license found at
http://developer.java.sun.com/berkeley_license.html.
Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
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are permitted provided that the following conditions are met:
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this list of conditions and the following disclaimer.
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this list of conditions and the following disclaimer in the documentation
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be used to endorse or promote products derived from this software without
specific prior written permission.
This software is provided "AS IS," without a warranty of any kind.
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ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
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/*
* Copyright 2003 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* Use of this software is authorized pursuant to the terms of the license found at
* http://developer.java.sun.com/berkeley_license.html.
*/
import java.sql.*;
public class ForeignKeysCoffees {
public static void main(String args[]) {
String url = "jdbc:mySubprotocol:myDataSource";
Connection con;
String createString = "create table COFFEESFK " +
"(COF_NAME varchar(32) NOT NULL, " +
"SUP_ID int, " +
"PRICE float, " +
"SALES int, " +
"TOTAL int, " +
"primary key(COF_NAME), " +
"foreign key(SUP_ID) references SUPPLIERSPK)";
Statement stmt;
try {
Class.forName("myDriver.ClassName");
} catch(java.lang.ClassNotFoundException e) {
System.err.print("ClassNotFoundException: ");
System.err.println(e.getMessage());
}
try {
con = DriverManager.getConnection(url,
"myLogin", "myPassword");
stmt = con.createStatement();
stmt.executeUpdate(createString);
DatabaseMetaData dbmd = con.getMetaData();
ResultSet rs = dbmd.getImportedKeys(null, null, "COFFEESFK");
while (rs.next()) {
String pkTable = rs.getString("PKTABLE_NAME");
String pkColName = rs.getString("PKCOLUMN_NAME");
String fkTable = rs.getString("FKTABLE_NAME");
String fkColName = rs.getString("FKCOLUMN_NAME");
short updateRule = rs.getShort("UPDATE_RULE");
short deleteRule = rs.getShort("DELETE_RULE");
System.out.println("primary key table name : " + pkTable);
System.out.print("primary key column name : ");
System.out.println(pkColName);
System.out.println("foreign key table name : " + fkTable);
System.out.print("foreign key column name : ");
System.out.println(fkColName);
System.out.println("update rule: " + updateRule);
System.out.println("delete rule: " + deleteRule);
System.out.println("");
}
rs.close();
stmt.close();
con.close();
} catch(SQLException ex) {
System.err.print("SQLException: ");
System.err.println(ex.getMessage());
}
}
}
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