?? maketestdb.java
字號(hào):
package nlbean;
import java.io.*;
import java.util.*;
import jdbc.*;
public class MakeTestDB {
static public void main(String [] args) {
if (args.length < 1) {
System.out.println("usage: 'java nlbean.MakeTestDB delete' to recreate database");
System.out.println("usage: 'java nlbean.MakeTestDB add' to add test data to the database");
System.out.println("usage: 'java nlbean.MakeTestDB list' to list the database");
System.exit(1);
}
if (args[0].equalsIgnoreCase("delete")) {
String s;
/** NameTable */
try {
s = "Drop TABLE NameTable";
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
} catch (Exception e) { }
s = "Create TABLE NameTable (name char(30), email char(35), " +
"PhoneNumber char(30), misc char(40))";
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
System.out.println(s);
/** products table */
try {
s = "Drop TABLE products";
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
} catch (Exception e) { }
s = "Create TABLE products (ID LONG, productname char(40), " +
"cost FLOAT)";
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
System.out.println(s);
/** Employees table */
try {
s = "Drop TABLE Employees";
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
} catch (Exception e) { }
s = "Create TABLE Employees (ID LONG, EmpName char(40), " +
"HireDate char(20), Salary FLOAT)";
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
System.out.println(s);
} else if (args[0].equalsIgnoreCase("add")) {
/** Employees */
String s =
"INSERT into Employees VALUES (1, 'mark', '1994-1/-', 22000.0)";
System.out.println(s);
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
s = "INSERT into Employees VALUES (2, 'carol', '1994-2-10', 23000.0)";
System.out.println(s);
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
/** products */
s = "INSERT into products VALUES (1, 'WebPix', 7.0)";
System.out.println(s);
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
s = "INSERT into products VALUES (2, 'DBmaster', 19.0)";
System.out.println(s);
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
/** NameTable */
s = "INSERT into NameTable VALUES ('mark', 'markw@markwatson.com', '123 45678', 'test2')";
System.out.println(s);
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
s = "INSERT into NameTable VALUES ('carol', 'carol@markwatson.com', '123 45678', 'test2')";
System.out.println(s);
s = DBInterface.update(s, "jdbc:idb:database/nlbean.prp", "", "");
} else if (args[0].equalsIgnoreCase("list")) {
String s;
s = "Select Employees.EmpName from Employees";
s = DBInterface.query(s, "jdbc:idb:database/nlbean.prp", "", "");
System.out.println(s);
s = "Select * from products";
s = DBInterface.query(s, "jdbc:idb:database/nlbean.prp", "", "");
System.out.println(s);
s = "Select * from NameTable";
s = DBInterface.query(s, "jdbc:idb:database/nlbean.prp", "", "");
System.out.println(s);
} else {
System.out.println("unknown command line argument: " + args[0]);
}
}
}
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