diff --git a/pom.xml b/pom.xml
index 64e4e4a..c72b3e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,32 +69,21 @@
             <scope>provided</scope>
         </dependency>
 
-        <!-- Hibernate Core -->
         <dependency>
-            <groupId>org.hibernate</groupId>
-            <artifactId>hibernate-core</artifactId>
-            <version>6.6.1.Final</version>
+            <groupId>com.j256.ormlite</groupId>
+            <artifactId>ormlite-core</artifactId>
+            <version>5.2</version> <!-- Check for the latest version -->
         </dependency>
-
-        <!-- MySQL JDBC Driver -->
         <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.33</version>
+            <groupId>com.j256.ormlite</groupId>
+            <artifactId>ormlite-jdbc</artifactId>
+            <version>5.2</version> <!-- Check for the latest version -->
         </dependency>
-
-        <!-- JPA API -->
         <dependency>
-            <groupId>jakarta.persistence</groupId>
-            <artifactId>jakarta.persistence-api</artifactId>
-            <version>3.0.0</version>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.28</version> <!-- Check for the latest version -->
         </dependency>
 
-        <!-- Hibernate Annotations -->
-        <dependency>
-            <groupId>org.hibernate.common</groupId>
-            <artifactId>hibernate-commons-annotations</artifactId>
-            <version>5.1.2.Final</version>
-        </dependency>
     </dependencies>
 </project>
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/MineconomiaCoreV2.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/MineconomiaCoreV2.java
index d295e3b..db469ac 100644
--- a/src/main/java/xyz/soukup/mineconomiaCoreV2/MineconomiaCoreV2.java
+++ b/src/main/java/xyz/soukup/mineconomiaCoreV2/MineconomiaCoreV2.java
@@ -3,17 +3,25 @@ package xyz.soukup.mineconomiaCoreV2;
 import commands.tabCompleter;
 import commands.teleportWorld;
 import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
-import xyz.soukup.mineconomiaCoreV2.database.HibernateUtil;
+import xyz.soukup.mineconomiaCoreV2.database.DatabaseUtil;
+import xyz.soukup.mineconomiaCoreV2.events.PlayerInit;
 import xyz.soukup.mineconomiaCoreV2.tractor.giveTractorCommand;
+import xyz.soukup.mineconomiaCoreV2.variables.PlayerData;
 
+import java.sql.SQLException;
+import java.util.HashMap;
 import java.util.Objects;
 
 import static xyz.soukup.mineconomiaCoreV2.core.sharedValues.plugin;
 
 public final class MineconomiaCoreV2 extends JavaPlugin {
+
     private static MineconomiaCoreV2 instance;
 
+    public static HashMap<Player, PlayerData> playersData = new HashMap<>();
 
     @Override
     public void onEnable() {
@@ -22,6 +30,18 @@ public final class MineconomiaCoreV2 extends JavaPlugin {
         getLogger().info("STARTING MINECONOMIA CORE");
         plugin.saveDefaultConfig();
 
+        PluginManager pluginManager = getServer().getPluginManager();
+
+
+
+        try {
+            DatabaseUtil.databaseInit();
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+        pluginManager.registerEvents(new PlayerInit(), plugin);
+
         // Tractor registration
         Objects.requireNonNull(plugin.getCommand("tractor")).setExecutor(new giveTractorCommand());
 
@@ -36,7 +56,7 @@ public final class MineconomiaCoreV2 extends JavaPlugin {
     @Override
     public void onDisable() {
         // Plugin shutdown logic
-        HibernateUtil.shutdown();
+        plugin.saveConfig();
     }
 
     public static MineconomiaCoreV2 getInstance() {
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/database/DatabaseUtil.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/database/DatabaseUtil.java
new file mode 100644
index 0000000..24242e7
--- /dev/null
+++ b/src/main/java/xyz/soukup/mineconomiaCoreV2/database/DatabaseUtil.java
@@ -0,0 +1,58 @@
+package xyz.soukup.mineconomiaCoreV2.database;
+
+import com.google.protobuf.TypeRegistry;
+import com.j256.ormlite.dao.Dao;
+import com.j256.ormlite.dao.DaoManager;
+import com.j256.ormlite.jdbc.JdbcConnectionSource;
+import com.j256.ormlite.support.ConnectionSource;
+import com.j256.ormlite.table.TableUtils;
+import xyz.soukup.mineconomiaCoreV2.variables.Island;
+import xyz.soukup.mineconomiaCoreV2.variables.PlayerData;
+import xyz.soukup.mineconomiaCoreV2.variables.Shop;
+import xyz.soukup.mineconomiaCoreV2.variables.Transaction;
+
+import java.sql.SQLException;
+
+import static xyz.soukup.mineconomiaCoreV2.core.sharedValues.config;
+import static xyz.soukup.mineconomiaCoreV2.core.sharedValues.logger;
+
+public class DatabaseUtil {
+    public static Dao<PlayerData,  Integer> playerDataDao;
+    public static Dao<Island, Integer> islandDao;
+    public static Dao<Shop, Integer> shopDao;
+    public static Dao<Transaction, Integer> transactionDao;
+
+    public static ConnectionSource getConnectionSource() throws SQLException {
+        String host = config.getString("database.host");
+        String port = config.getString("database.port");
+        String user = config.getString("database.user");
+        String password = config.getString("database.password");
+        String database = config.getString("database.database");
+
+        String url = "jdbc:mysql://" + host + ":" + port + "/" + database;
+
+        return new JdbcConnectionSource(url, user, password);
+    }
+
+    public static void createTables(ConnectionSource connectionSource) throws SQLException {
+            TableUtils.createTableIfNotExists(connectionSource, PlayerData.class);
+            TableUtils.createTableIfNotExists(connectionSource, Transaction.class);
+            TableUtils.createTableIfNotExists(connectionSource, Island.class);
+            TableUtils.createTableIfNotExists(connectionSource, Shop.class);
+    }
+
+    public static void daoInit(ConnectionSource connectionSource) throws SQLException {
+        islandDao = DaoManager.createDao(connectionSource, Island.class);
+        playerDataDao = DaoManager.createDao(connectionSource, PlayerData.class);
+        shopDao = DaoManager.createDao(connectionSource, Shop.class);
+        transactionDao = DaoManager.createDao(connectionSource, Transaction.class);
+    }
+
+    public static void databaseInit() throws SQLException {
+        ConnectionSource connectionSource = getConnectionSource();
+
+        createTables(connectionSource);
+        daoInit(connectionSource);
+    }
+
+}
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/database/HibernateUtil.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/database/HibernateUtil.java
deleted file mode 100644
index 37c531c..0000000
--- a/src/main/java/xyz/soukup/mineconomiaCoreV2/database/HibernateUtil.java
+++ /dev/null
@@ -1,113 +0,0 @@
-package xyz.soukup.mineconomiaCoreV2.database;
-
-import jakarta.persistence.Query;
-import jakarta.persistence.criteria.CriteriaBuilder;
-import jakarta.persistence.criteria.CriteriaQuery;
-import org.bukkit.scoreboard.Criteria;
-import org.hibernate.Session;
-import org.hibernate.SessionFactory;
-import org.hibernate.Transaction;
-import org.hibernate.boot.MetadataSources;
-import org.hibernate.boot.model.internal.QueryBinder;
-import org.hibernate.boot.registry.StandardServiceRegistry;
-import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
-import xyz.soukup.mineconomiaCoreV2.core.sharedValues;
-import xyz.soukup.mineconomiaCoreV2.variables.PlayerData;
-
-import java.util.List;
-import java.util.Objects;
-import java.util.Properties;
-
-import static xyz.soukup.mineconomiaCoreV2.core.sharedValues.config;
-import static xyz.soukup.mineconomiaCoreV2.core.sharedValues.logger;
-
-public class HibernateUtil {
-    private static SessionFactory sessionFactory;
-
-    static {
-
-        try {
-
-            StandardServiceRegistry registry = new StandardServiceRegistryBuilder()
-                    .applySettings(getHibernateProperties())
-                    .build();
-
-            sessionFactory = new MetadataSources(registry)
-                    .addAnnotatedClass(PlayerData.class)
-                    .buildMetadata()
-                    .buildSessionFactory();
-
-        } catch (Exception e) {
-
-            sharedValues.logger.warning(e.toString());
-
-            if (sessionFactory != null) {
-                sessionFactory.close();
-            }
-
-        }
-    }
-
-
-    private static Properties getHibernateProperties() {
-
-        String host = config.getString("database.host");
-        String port = config.getString("database.port");
-        String user = config.getString("database.user");
-        String password = config.getString("database.password");
-        String database = config.getString("database.database");
-
-        String jdbcString = "jdbc:mysql://" + host + ":" + port + "/" + database;
-
-        Properties properties = new Properties();
-        properties.put("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
-        properties.put("hibernate.connection.driver_class", "com.mysql.cj.jdbc.Driver");
-        properties.put("hibernate.connection.url", jdbcString);
-        properties.put("hibernate.connection.username", user);
-        properties.put("hibernate.connection.password", password);
-        properties.put("hibernate.hbm2ddl.auto", "update");
-        properties.put("hibernate.show_sql", "true");
-        return properties;
-    }
-
-
-    public static SessionFactory getSessionFactory() {
-        return sessionFactory;
-    }
-
-    public static Session newSession(){
-        return getSessionFactory().openSession();
-    }
-
-    public static void shutdown() {
-        if (sessionFactory != null) {
-            sessionFactory.close();
-        }
-    }
-
-
-    public static void saveToDatabase(Object object){
-
-        Session session = HibernateUtil.newSession();
-        Transaction transaction = null;
-
-        try {
-
-            transaction = session.beginTransaction();
-            session.persist(object);
-            transaction.commit();
-            session.close();
-
-        }catch (Exception e){
-
-            if (transaction != null) {
-                transaction.rollback(); // Rollback if something goes wrong
-            }
-
-            logger.warning(e.toString());
-        }
-    }
-
-
-
-}
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/database/PlayerDataDatabase.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/database/PlayerDataDatabase.java
deleted file mode 100644
index 8f507f5..0000000
--- a/src/main/java/xyz/soukup/mineconomiaCoreV2/database/PlayerDataDatabase.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package xyz.soukup.mineconomiaCoreV2.database;
-
-import jakarta.persistence.criteria.CriteriaBuilder;
-import xyz.soukup.mineconomiaCoreV2.variables.PlayerData;
-
-
-public class PlayerDataDatabase {
-
-    public static void savePlayerDataToDatabase(PlayerData playerData){
-        HibernateUtil.saveToDatabase(playerData);
-    }
-
-    public static PlayerData getPlayerDataFromDatabase(String nickname){
-        CriteriaBuilder criteriaBuilder = HibernateUtil.newSession().getCriteriaBuilder();
-        return null;
-    }
-
-}
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/database/PlayerInit.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/database/PlayerInit.java
deleted file mode 100644
index 3232d21..0000000
--- a/src/main/java/xyz/soukup/mineconomiaCoreV2/database/PlayerInit.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package xyz.soukup.mineconomiaCoreV2.database;
-
-public class PlayerInit {
-    public static void onJoin(){}
-}
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/events/PlayerInit.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/events/PlayerInit.java
new file mode 100644
index 0000000..40c1ba6
--- /dev/null
+++ b/src/main/java/xyz/soukup/mineconomiaCoreV2/events/PlayerInit.java
@@ -0,0 +1,54 @@
+package xyz.soukup.mineconomiaCoreV2.events;
+
+import com.j256.ormlite.stmt.QueryBuilder;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import xyz.soukup.mineconomiaCoreV2.variables.PlayerData;
+
+import java.sql.SQLException;
+
+import static xyz.soukup.mineconomiaCoreV2.MineconomiaCoreV2.playersData;
+import static xyz.soukup.mineconomiaCoreV2.core.sharedValues.logger;
+import static xyz.soukup.mineconomiaCoreV2.database.DatabaseUtil.playerDataDao;
+
+public class PlayerInit implements Listener {
+
+    @EventHandler
+    public static void onJoin(PlayerJoinEvent event) throws SQLException {
+
+        Player player = event.getPlayer();
+        String name = player.getDisplayName();
+        PlayerData playerData = PlayerData.generateFromPlayer(player);;
+
+        QueryBuilder<PlayerData, Integer> queryBuilder = playerDataDao.queryBuilder();
+        queryBuilder.where().eq("nickname", name);
+
+        if (queryBuilder.countOf() > 0){
+            playerData = queryBuilder.queryForFirst();
+        }else {
+            playerDataDao.create(playerData);
+        }
+
+        playerData.setOnline(1);
+        playerDataDao.update(playerData);
+
+        playersData.put(player, playerData);
+
+
+    }
+
+    @EventHandler
+    public static void onLeave(PlayerQuitEvent event) throws SQLException {
+
+        Player player = event.getPlayer();
+        PlayerData playerData = playersData.get(player);
+
+        playerData.setOnline(0);
+        playerDataDao.update(playerData);
+
+        playersData.remove(player);
+    }
+}
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Island.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Island.java
new file mode 100644
index 0000000..71e70f6
--- /dev/null
+++ b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Island.java
@@ -0,0 +1,29 @@
+package xyz.soukup.mineconomiaCoreV2.variables;
+
+import com.j256.ormlite.field.DatabaseField;
+import com.j256.ormlite.table.DatabaseTable;
+
+@DatabaseTable(tableName = "islands")
+public class Island {
+
+    @DatabaseField(generatedId = true)
+    private int id;
+
+    @DatabaseField
+    private String server;
+
+    @DatabaseField
+    private String name;
+
+    @DatabaseField
+    private String owner;
+
+    @DatabaseField
+    private String world;
+
+    @DatabaseField(columnName = "size_x")
+    private int sizeX;
+
+    @DatabaseField(columnName = "size_y")
+    private int sizeY;
+}
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/PlayerData.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/PlayerData.java
index 5d80eb3..b890ea3 100644
--- a/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/PlayerData.java
+++ b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/PlayerData.java
@@ -1,24 +1,29 @@
 package xyz.soukup.mineconomiaCoreV2.variables;
 
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import com.j256.ormlite.field.DatabaseField;
+import com.j256.ormlite.table.DatabaseTable;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
 
 //Definování Member classy pro databázi a další manipulace
 
-@Entity
+@DatabaseTable(tableName = "players")
 public class PlayerData {
 
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @DatabaseField(generatedId = true)
     private int id;
 
+    @DatabaseField(unique = true)
     private String nickname;
-    private String uuid;
+
+    @DatabaseField
     private int online;
+
+    @DatabaseField
     private float money;
 
+
     public int getId() {
         return id;
     }
@@ -35,14 +40,6 @@ public class PlayerData {
         this.nickname = nickname;
     }
 
-    public String getUuid() {
-        return uuid;
-    }
-
-    public void setUuid(String uuid) {
-        this.uuid = uuid;
-    }
-
     public int getOnline() {
         return online;
     }
@@ -58,4 +55,18 @@ public class PlayerData {
     public void setMoney(float money) {
         this.money = money;
     }
+
+    public PlayerData(){
+
+    }
+
+    public static PlayerData generateFromPlayer(Player p){
+        PlayerData playerData = new PlayerData();
+
+        playerData.setMoney(0);
+        playerData.setOnline(1);
+        playerData.setNickname(p.getDisplayName());
+
+        return playerData;
+    }
 }
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Shop.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Shop.java
new file mode 100644
index 0000000..2fe8ace
--- /dev/null
+++ b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Shop.java
@@ -0,0 +1,51 @@
+package xyz.soukup.mineconomiaCoreV2.variables;
+
+import com.j256.ormlite.field.DatabaseField;
+import com.j256.ormlite.table.DatabaseTable;
+
+@DatabaseTable(tableName = "shops")
+public class Shop {
+    @DatabaseField(generatedId = true)
+    private int id;
+
+    @DatabaseField
+    private String server;
+
+    @DatabaseField
+    private String owner;
+
+    @DatabaseField(columnName = "owner_type")
+    private String ownerType;
+
+    @DatabaseField
+    private String type;
+
+    @DatabaseField
+    private float price;
+
+    @DatabaseField
+    private int stock;
+
+    @DatabaseField
+    private int x;
+
+    @DatabaseField
+    private int y;
+
+    @DatabaseField
+    private int z;
+
+    @DatabaseField
+    private int world;
+
+    @DatabaseField(columnName = "storage_x")
+    private int storageX;
+
+    @DatabaseField(columnName = "storage_y")
+    private int storageY;
+
+    @DatabaseField(columnName = "storage_z")
+    private  int storageZ;
+
+
+}
diff --git a/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Transaction.java b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Transaction.java
new file mode 100644
index 0000000..4fa4eb4
--- /dev/null
+++ b/src/main/java/xyz/soukup/mineconomiaCoreV2/variables/Transaction.java
@@ -0,0 +1,100 @@
+package xyz.soukup.mineconomiaCoreV2.variables;
+
+import com.j256.ormlite.field.DatabaseField;
+import com.j256.ormlite.table.DatabaseTable;
+
+import java.util.Date;
+
+@DatabaseTable(tableName = "transactions")
+public class Transaction {
+
+    @DatabaseField(generatedId = true)
+    private int id;
+
+    @DatabaseField
+    private Date date;
+
+    @DatabaseField
+    private String type;
+
+    @DatabaseField
+    private float amount;
+
+    @DatabaseField
+    private String sender;
+
+    @DatabaseField(columnName = "sender_type")
+    private String senderType;
+
+    @DatabaseField
+    private String receiver;
+
+    @DatabaseField(columnName = "receiver_type")
+    private String receiverType;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public Date getDate() {
+        return date;
+    }
+
+    public void setDate(Date date) {
+        this.date = date;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public float getAmount() {
+        return amount;
+    }
+
+    public void setAmount(float amount) {
+        this.amount = amount;
+    }
+
+    public String getSender() {
+        return sender;
+    }
+
+    public void setSender(String sender) {
+        this.sender = sender;
+    }
+
+    public String getSenderType() {
+        return senderType;
+    }
+
+    public void setSenderType(String senderType) {
+        this.senderType = senderType;
+    }
+
+    public String getReceiver() {
+        return receiver;
+    }
+
+    public void setReceiver(String receiver) {
+        this.receiver = receiver;
+    }
+
+    public String getReceiverType() {
+        return receiverType;
+    }
+
+    public void setReceiverType(String receiverType) {
+        this.receiverType = receiverType;
+    }
+
+
+}
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 5aa99c5..b1eef74 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -1,7 +1,7 @@
 version: 1.0
 language: "czech.yml"
 database:
-  host: localhost
+  host: uceni.soukup.xyz
   port: 3306
   user: mcore
   password: mcore