Java and SQLite

Question

I'm attracted to the neatness that a single file database provides. What driver/connector library is out there to connect and use SQLite with Java.

I've discovered a wrapper library, http://www.ch-werner.de/javasqlite, but are there other more prominent projects available?

Answer 1

The wiki lists some more wrappers:

• Java wrapper (around a SWIG interface): http://tk-software.home.comcast.net/
• A good tutorial to use JDBC driver for SQLite. (it works at least !) http://vds.uchicago.edu/twiki/bin/view/VDSDevelopment/UsingSQLite
• JDBC driver for Windows, Linux, Mac OS X, and Pure Java: http://www.zentus.com/sqlitejdbc
• Another Java - SWIG wrapper. It only works on Win32. http://rodolfo_3.tripod.com/index.html
• sqlite-java-shell: 100% pure Java port of the sqlite3 commandline shell built with NestedVM. (This is not a JDBC driver).
• SQLite JDBC Driver for Mysaifu JVM: SQLite JDBC Driver for Mysaifu JVM and SQLite JNI Library for Windows (x86) and Linux (i386/PowerPC).

Answer 2

G'day,

Just thought I'd say be careful with SQLite in multi-user type installations. SQLite has no row locking for write updates and the DB itself is implemented as a single monolithic file.

Write locking is implemented as file locks across the whole DB.

Just thought I'd mention this because I'd been bitten by it before.

cheers,

Rob

Answer 3

Hey I found your questions while search for information with SQLite and Java. Just thought I add my answer which I also posted on my blog.

I have been coding in Java for a while know. I have also known about SQLite but never used it… Well I have have used it through other applications but never in an app that I coded. So I needed it for a project this week and its so simple use!

First I found the website of David Crawshaw who has a Java JDBC driver for SQLite. Just add his JAR file to your classpath and import java.sql.*

His test app will create a database file, send some SQL commands to create a table, store some data in the table, and read it back and display on console. It will create the test.db file in the root directory of the project.

package com.rungeek.sqlite;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;

public class Test {
    public static void main(String[] args) throws Exception {
        Class.forName("org.sqlite.JDBC");
        Connection conn = DriverManager.getConnection("jdbc:sqlite:test.db");
        Statement stat = conn.createStatement();
        stat.executeUpdate("drop table if exists people;");
        stat.executeUpdate("create table people (name, occupation);");
        PreparedStatement prep = conn.prepareStatement(
            "insert into people values (?, ?);");

        prep.setString(1, "Gandhi");
        prep.setString(2, "politics");
        prep.addBatch();
        prep.setString(1, "Turing");
        prep.setString(2, "computers");
        prep.addBatch();
        prep.setString(1, "Wittgenstein");
        prep.setString(2, "smartypants");
        prep.addBatch();

        conn.setAutoCommit(false);
        prep.executeBatch();
        conn.setAutoCommit(true);

        ResultSet rs = stat.executeQuery("select * from people;");
        while (rs.next()) {
            System.out.println("name = " + rs.getString("name"));
            System.out.println("job = " + rs.getString("occupation"));
        }
        rs.close();
        conn.close();
    }
  }

Answer 4

I understand you asked specifically about SQLite, but maybe HSQL database would be a better fit with Java. It is written in Java itself, runs in the JVM, supports in-memory tables etc. and all that features make it quite usable for prototyping and unit-testing.

Answer 5

There is a new project SQLJet that is a pure Java implementation of SQLite. It doesn't support all of the SQLite features yet, but may be a very good option for some of the Java projects that work with SQLite databases.

Answer 6

Hi Scott,

So finally which Java wrapper for SQLite did you use?