diff --git a/Cargo.lock b/Cargo.lock
index a4285ee..b1770ee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -44,7 +44,7 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "db_builder"
-version = "0.0.1"
+version = "0.0.2"
 dependencies = [
  "rusqlite",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index c648c4d..39c5290 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "db_builder"
-version = "0.0.1"
+version = "0.0.2"
 edition = "2024"
 description = "This crate enables you to have a lib that create a sqlite database from a json file schema"
 license = "MIT"
diff --git a/example.json b/example.json
index 97a0605..dc8a8e2 100644
--- a/example.json
+++ b/example.json
@@ -6,7 +6,34 @@
       {
         "name": "id",
         "datatype": "Integer",
-        "primary_key": true
+        "primary_key": true,
+        "auto_increment": true
+      }
+    ]
+  },
+  {
+    "name": "users",
+    "strict": true,
+    "columns": [
+      {
+        "name": "id",
+        "datatype": "Integer",
+        "primary_key": true,
+        "auto_increment": true
+      },
+      {
+        "name": "name",
+        "datatype": "Text",
+        "unique": true
+      },
+      {
+        "name": "password",
+        "datatype": "Text"
+      },
+      {
+        "name": "email",
+        "datatype": "Text",
+        "unique": true
       }
     ]
   }
diff --git a/src/query_builders/column_sql_serializer.rs b/src/query_builders/column_sql_serializer.rs
index 9268b4e..2213051 100644
--- a/src/query_builders/column_sql_serializer.rs
+++ b/src/query_builders/column_sql_serializer.rs
@@ -20,8 +20,12 @@ impl ColumnSqlSerializer {
             query += "UNIQUE " // Notice the space at the end
         }
 
+        if column.primary_key {
+            query += "PRIMARY KEY ";
+        }
+
         if column.auto_increment {
-            query += "AUTO_INCREMENT " // Notice the space at the end
+            query += "AUTOINCREMENT " // Notice the space at the end
         }
 
         if let Some(default) = column.default {
@@ -42,10 +46,6 @@ impl ColumnSqlSerializer {
             query += &format!("CHECK {} ", check_constraint);
         }
 
-        if column.primary_key {
-            query += "PRIMARY KEY ";
-        }
-
         Ok(query.trim_end().to_string())
     }
 }
@@ -69,7 +69,7 @@ mod tests {
         let serializer = ColumnSqlSerializer{};
         let result = serializer.serialize(column).unwrap();
 
-        assert_eq!(result, "id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY".to_string());
+        assert_eq!(result, "id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT".to_string());
     }
 
     #[test]
diff --git a/src/query_builders/table_sql_serializer.rs b/src/query_builders/table_sql_serializer.rs
index c59cf3d..a666f89 100644
--- a/src/query_builders/table_sql_serializer.rs
+++ b/src/query_builders/table_sql_serializer.rs
@@ -40,6 +40,6 @@ mod test {
 
         let result = serializer.serialize(table);
 
-        assert_eq!(result, "CREATE TABLE test (id INTEGER NOT NULL AUTO_INCREMENT);".to_string());
+        assert_eq!(result, "CREATE TABLE test (id INTEGER NOT NULL AUTOINCREMENT);".to_string());
     }
 }
diff --git a/src/schemas/builders.rs b/src/schemas/builders.rs
index ddc3b43..eb404d7 100644
--- a/src/schemas/builders.rs
+++ b/src/schemas/builders.rs
@@ -13,8 +13,8 @@ pub struct ColumnBuilder {
 }
 
 impl ColumnBuilder {
-    pub fn new() -> ColumnBuilder {
-        ColumnBuilder {
+    pub fn new() -> Self {
+        Self {
             name: String::new(),
             datatype: SQLiteDatatypes::Text,
             nullable: false,
@@ -68,7 +68,7 @@ impl ColumnBuilder {
 
     pub fn build(self) -> Result<Column, String> {
         if self.auto_increment && self.datatype != SQLiteDatatypes::Integer {
-            return Err("Cannot set AUTO_INCREMENT on non-INTEGER column".to_string());
+            return Err("Cannot set AUTOINCREMENT on non-INTEGER column".to_string());
         }
 
         Ok(Column {
@@ -97,8 +97,8 @@ pub struct TableBuilder {
 }
 
 impl TableBuilder {
-    pub fn new() -> TableBuilder {
-        TableBuilder {
+    pub fn new() -> Self {
+        Self {
             name: String::new(),
             columns: Vec::new(),
             strict: false,