diff --git a/src/Database.php b/src/Database.php
index cc7d18d..57a2099 100644
--- a/src/Database.php
+++ b/src/Database.php
@@ -40,6 +40,14 @@ class Database{
         return $select;
     }
 
+    public function insert(array $fields = null){
+        $insert = new Request\Insert($this);
+        if(isset($fields))
+            return $insert->fields($fields);
+
+        return $insert;
+    }
+
     public function create(string $table = null){
         $create = new Request\Create($this);
         if(isset($table))
@@ -47,5 +55,13 @@ class Database{
 
         return $create;
     }
-    //TODO insert, update, delete
+
+    public function drop(string $table = null){
+        $drop = new Request\Drop($this);
+        if(isset($table))
+            return $drop->table($table);
+
+        return $drop;
+    }
+    //TODO update, delete
 }
\ No newline at end of file
diff --git a/src/Model.php b/src/Model.php
index 35a1c7f..688b86d 100644
--- a/src/Model.php
+++ b/src/Model.php
@@ -137,30 +137,40 @@ class Model{
         return $columns;
     }
 
+    public function getValues(){
+        $values = [];
+        foreach ($this->fields as $field => $data) {
+            $values[] = $data['value'];
+        }
+        return $values;
+    }
+
     protected static function convertField($data, $field){
         $options = static::getOptions($field);
-        if(is_null($data) && isset($options['not_null']) && $options['not_null'] == true)
-            throw new DatabaseException('Can\'t set null to NOT NULL field : '.$field);
-
-        if(isset($options['type'])){
-            switch(strtolower($options['type'])){
-                case 'int':
-                    $data = intval($data); //MAYBE: E_NOTICE on strange types
-                    break;
-                case 'char':
-                case 'varchar':
-                case 'text':
-                    $data = strval($data); //MAYBE: E_NOTICE on strange types
-                    if(isset($options['lenght']) && strlen($data) > $options['lenght'])
-                        throw new DatabaseException('data is to long in field : '.$field);
-                    break;
-                default:
-                    throw new DatabaseException('unknown type in field : '.$field);
-                    break;
+        if(is_null($data)){
+            if(isset($options['not_null']) && $options['not_null'] == true)
+                throw new DatabaseException('Can\'t set null to NOT NULL field : '.$field);
+        }else{
+            if(isset($options['type'])){
+                switch(strtolower($options['type'])){
+                    case 'int':
+                        $data = intval($data); //MAYBE: E_NOTICE on strange types
+                        break;
+                    case 'char':
+                    case 'varchar':
+                    case 'text':
+                        $data = strval($data); //MAYBE: E_NOTICE on strange types
+                        if(isset($options['lenght']) && strlen($data) > $options['lenght'])
+                            throw new DatabaseException('data is to long in field : '.$field);
+                        break;
+                    default:
+                        throw new DatabaseException('unknown type in field : '.$field);
+                        break;
+                }
             }
-        }
 
-        return $data;
+            return $data;
+        }
     }
 
 
@@ -182,6 +192,18 @@ class Model{
         return static::prepare($req);
     }
 
+    public static function insert(): Request\Insert{
+        $req = Connection::get(static::DATABASE)
+            ->insert(static::getColumns())
+            ->into(static::TABLE);
+
+        return $req;
+    }
+
+    public function runInsert(){
+        static::insert()->run($this->getValues());
+    }
+
     public static function create(): Request\Create{
         $req = Connection::get(static::DATABASE)
             ->create(static::TABLE);
@@ -193,12 +215,18 @@ class Model{
                 isset($options['lenght']) ? $options['lenght'] : null,
                 isset($options['not_null']) && $options['not_null'],
                 isset($options['primary']) && $options['primary'],
+                isset($options['unique']) && $options['unique'],
                 isset($options['custom']) ? $options['custom'] : null);
         }
 
         return $req;
     }
 
+    public static function drop(){
+        return Connection::get(static::DATABASE)
+            ->drop(static::TABLE);
+    }
+
     /* Do advanced customuzation here */
     protected static function prepare($req){ return $req; }
 
diff --git a/src/Request/Create.php b/src/Request/Create.php
index ea0beaa..3be9bae 100644
--- a/src/Request/Create.php
+++ b/src/Request/Create.php
@@ -9,16 +9,20 @@ class Create extends Request{
     protected $table;
     protected $columns = [];
     protected $primary = [];
+    protected $unique = [];
 
     public function table(string $table): Create{
         $this->table = $table;
         return $this;
     }
 
-    public function column(string $name, string $type, int $lenght = null, bool $not_null = false, bool $primary = false, string $more = null): Create{
+    public function column(string $name, string $type, int $lenght = null, bool $not_null = false, bool $primary = false, bool $unique = false, string $more = null): Create{
         $this->columns[] = '`'.$name.'` '.$type.($lenght ? '('.$lenght.')' : '').($not_null ? ' NOT NULL' : '').(isset($more) ? ' '.$more : '');
         if($primary)
             $this->primary[] = '`'.$name.'`';
+
+        if($unique)
+            $this->unique[$name] = [$name];
         return $this;
     }
 
@@ -29,11 +33,20 @@ class Create extends Request{
         if(empty($this->columns))
             throw new DatabaseException('Any columns set');
 
-        return 'CREATE `'.$this->table.'`('."\n".
+        $uniques = [];
+        foreach ($this->unique as $name => $columns) {
+            $uniques[] = 'CONSTRAINT UC_'.ucfirst(strtolower($name)).' UNIQUE ('.implode(', ', $columns).')';
+        }
+
+        return 'CREATE TABLE `'.$this->table.'`('."\n".
         $sql = implode(",\n",
-            array_merge($this->columns, (empty($this->primary) ? [] : [
-                'CONSTRAINT PK_'.ucfirst(strtolower(strtok($this->table, ' '))).' PRIMARY KEY ('.implode(', ', $this->primary).')'
-            ]))
+            array_merge(
+                $this->columns,
+                (empty($this->primary) ? [] : [
+                    'CONSTRAINT PK_'.ucfirst(strtolower(strtok($this->table, ' '))).' PRIMARY KEY ('.implode(', ', $this->primary).')'
+                ]),
+                $uniques
+            )
         )."\n)";
 
         //TODO: foreign keys
diff --git a/src/Request/Drop.php b/src/Request/Drop.php
new file mode 100644
index 0000000..8afe34b
--- /dev/null
+++ b/src/Request/Drop.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Krutush\Database\Request;
+
+use Krutush\Database\Database;
+use Krutush\Database\DatabaseException;
+
+class Drop extends Request{
+    protected $table;
+
+    public function table(string $table): Drop{
+        $this->table = $table;
+        return $this;
+    }
+
+    public function sql(){
+        if(!isset($this->table))
+            throw new DatabaseException('Any table set');
+
+        return 'DROP TABLE `'.$this->table.'`';
+    }
+
+    public function run(array $values = null){
+        return parent::execute($this->sql(), $values);
+    }
+}
\ No newline at end of file
diff --git a/src/Request/Insert.php b/src/Request/Insert.php
new file mode 100644
index 0000000..d062d7e
--- /dev/null
+++ b/src/Request/Insert.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Krutush\Database\Request;
+
+use Krutush\Database\DatabaseException;
+
+class Insert extends Data{
+    protected $fields;
+    protected $table;
+
+    public function fields(array $fields = null, bool $add = false): Insert{
+        $this->fields = $add ? array_merge($this->fields, $fields) : $fields;
+        return $this;
+    }
+
+    public function into(string $table): Insert{
+        $this->table = $table;
+        return $this;
+    }
+
+    public function sql(){
+        if(!isset($this->table))
+            throw new DatabaseException('Any table set');
+
+        return 'INSERT INTO `'.$this->table."`\n".
+        '('.implode(', ', $this->fields).")\n".
+        'VALUES ('. str_repeat('?, ', count($this->fields)-1).(count($this->fields) > 0 ? '?' : '').')';
+    }
+
+    public function run(array $values = null){
+        return parent::execute($this->sql(), $values);
+    }
+}
\ No newline at end of file