diff --git a/expression_table.go b/expression_table.go
index c3a3114..7b1a750 100644
--- a/expression_table.go
+++ b/expression_table.go
@@ -36,7 +36,7 @@ func (e *expressionTableImpl) Alias() string {
 	return e.alias
 }
 
-func (e *expressionTableImpl) columns() []Column {
+func (e *expressionTableImpl) columns() []column {
 	return nil
 }
 
diff --git a/generator/internal/metadata/postgres-metadata/table_info.go b/generator/internal/metadata/postgres-metadata/table_info.go
index c738c59..43e8265 100644
--- a/generator/internal/metadata/postgres-metadata/table_info.go
+++ b/generator/internal/metadata/postgres-metadata/table_info.go
@@ -16,10 +16,24 @@ func (t TableInfo) Name() string {
 	return t.name
 }
 
-func (t TableInfo) IsUnique(columnName string) bool {
+func (t TableInfo) IsPrimaryKey(columnName string) bool {
 	return t.PrimaryKeys[columnName]
 }
 
+func (t TableInfo) MutableColumns() []ColumnInfo {
+	ret := []ColumnInfo{}
+
+	for _, column := range t.Columns {
+		if t.IsPrimaryKey(column.Name) {
+			continue
+		}
+
+		ret = append(ret, column)
+	}
+
+	return ret
+}
+
 func (t TableInfo) GetImports() []string {
 	imports := map[string]string{}
 
diff --git a/generator/postgresgen/templates.go b/generator/postgresgen/templates.go
index daa0e99..267168a 100644
--- a/generator/postgresgen/templates.go
+++ b/generator/postgresgen/templates.go
@@ -36,7 +36,8 @@ type {{.GoStructName}} struct {
 	{{camelize .Name}} jet.Column{{.SqlBuilderColumnType}}
 {{- end}}
 
-	AllColumns jet.ColumnList
+	AllColumns     jet.ColumnList
+	MutableColumns jet.ColumnList
 }
 
 // creates new {{.GoStructName}} with assigned alias
@@ -63,7 +64,8 @@ func new{{.GoStructName}}() *{{.GoStructName}} {
 		{{camelize .Name}}: {{camelize .Name}}Column,
 {{- end}}
 
-		AllColumns: jet.ColumnList{ {{template "column-list" .Columns}} },
+		AllColumns:     jet.ColumnList{ {{template "column-list" .Columns}} },
+		MutableColumns: jet.ColumnList{ {{template "column-list" .MutableColumns}} },
 	}
 }
 
@@ -82,7 +84,7 @@ import (
 
 type {{camelize .Name}} struct {
 {{- range .Columns}}
-	{{camelize .Name}} {{.GoModelType}} ` + "{{.GoModelTag ($.IsUnique .Name)}}" + `
+	{{camelize .Name}} {{.GoModelType}} ` + "{{.GoModelTag ($.IsPrimaryKey .Name)}}" + `
 {{- end}}
 }
 `
diff --git a/insert_statement.go b/insert_statement.go
index ba3e39d..c8e73e5 100644
--- a/insert_statement.go
+++ b/insert_statement.go
@@ -10,10 +10,13 @@ import (
 type InsertStatement interface {
 	Statement
 
-	// Add a row of values to the insert Statement.
+	// Insert row of values
 	VALUES(value interface{}, values ...interface{}) InsertStatement
-	// Model structure mapped to column names
-	USING(data interface{}) InsertStatement
+	// Insert row of values, where value for each column is extracted from filed of structure data.
+	// If data is not struct or there is no field for every column selected, this method will panic.
+	MODEL(data interface{}) InsertStatement
+
+	MODELS(data interface{}) InsertStatement
 
 	QUERY(selectStatement SelectStatement) InsertStatement
 
@@ -40,8 +43,13 @@ func (i *insertStatementImpl) VALUES(value interface{}, values ...interface{}) I
 	return i
 }
 
-func (i *insertStatementImpl) USING(data interface{}) InsertStatement {
-	i.rows = append(i.rows, unwindRowFromModel(i.columns, data))
+func (i *insertStatementImpl) MODEL(data interface{}) InsertStatement {
+	i.rows = append(i.rows, unwindRowFromModel(i.getColumns(), data))
+	return i
+}
+
+func (i *insertStatementImpl) MODELS(data interface{}) InsertStatement {
+	i.rows = append(i.rows, unwindRowsFromModels(i.getColumns(), data)...)
 	return i
 }
 
@@ -55,6 +63,14 @@ func (i *insertStatementImpl) QUERY(selectStatement SelectStatement) InsertState
 	return i
 }
 
+func (i *insertStatementImpl) getColumns() []column {
+	if len(i.columns) > 0 {
+		return i.columns
+	}
+
+	return i.table.columns()
+}
+
 func (i *insertStatementImpl) DebugSql() (query string, err error) {
 	return debugSql(i)
 }
@@ -107,10 +123,6 @@ func (i *insertStatementImpl) Sql() (sql string, args []interface{}, err error)
 			queryData.newLine()
 			queryData.writeString("(")
 
-			if len(row) != len(i.columns) {
-				return "", nil, errors.New("number of values does not match number of columns")
-			}
-
 			err = serializeClauseList(insert_statement, row, queryData)
 
 			if err != nil {
diff --git a/insert_statement_test.go b/insert_statement_test.go
index 2e09d53..9e956d0 100644
--- a/insert_statement_test.go
+++ b/insert_statement_test.go
@@ -8,7 +8,6 @@ import (
 
 func TestInvalidInsert(t *testing.T) {
 	assertStatementErr(t, table1.INSERT(table1Col1), "no row values or query specified")
-	assertStatementErr(t, table1.INSERT(table1Col1, table1ColFloat).VALUES(11), "number of values does not match number of columns")
 	assertStatementErr(t, table1.INSERT(nil).VALUES(1), "nil column in columns list")
 }
 
@@ -79,8 +78,8 @@ func TestInsertValuesFromModel(t *testing.T) {
 	}
 
 	stmt := table1.INSERT(table1Col1, table1ColFloat).
-		USING(toInsert).
-		USING(&toInsert)
+		MODEL(toInsert).
+		MODEL(&toInsert)
 
 	expectedSql := `
 INSERT INTO db.table1 (col1, col_float) VALUES
@@ -108,7 +107,7 @@ func TestInsertValuesFromModelColumnMismatch(t *testing.T) {
 
 	table1.
 		INSERT(table1Col1, table1ColFloat).
-		USING(newData)
+		MODEL(newData)
 }
 
 func TestInsertFromNonStructModel(t *testing.T) {
@@ -118,7 +117,7 @@ func TestInsertFromNonStructModel(t *testing.T) {
 		assert.Equal(t, r, "argument mismatch: expected struct, got []int")
 	}()
 
-	table2.INSERT(table2ColInt).USING([]int{})
+	table2.INSERT(table2ColInt).MODEL([]int{})
 }
 
 func TestInsertQuery(t *testing.T) {
diff --git a/table.go b/table.go
index 8103207..a7dfb2e 100644
--- a/table.go
+++ b/table.go
@@ -6,6 +6,10 @@ import (
 	"errors"
 )
 
+type table interface {
+	columns() []column
+}
+
 type readableTable interface {
 	// Generates a select query on the current tableName.
 	SELECT(projection projection, projections ...projection) SelectStatement
@@ -24,13 +28,11 @@ type readableTable interface {
 
 	// Creates a cross join tableName Expression using onCondition.
 	CROSS_JOIN(table ReadableTable) ReadableTable
-
-	columns() []Column
 }
 
 // The sql tableName write interface.
 type writableTable interface {
-	INSERT(column column, columns ...column) InsertStatement
+	INSERT(columns ...column) InsertStatement
 	UPDATE(column column, columns ...column) UpdateStatement
 	DELETE() DeleteStatement
 
@@ -38,16 +40,19 @@ type writableTable interface {
 }
 
 type ReadableTable interface {
+	table
 	readableTable
 	clause
 }
 
 type WritableTable interface {
+	table
 	writableTable
 	clause
 }
 
 type Table interface {
+	table
 	readableTable
 	writableTable
 	clause
@@ -92,8 +97,14 @@ type writableTableInterfaceImpl struct {
 	parent WritableTable
 }
 
-func (w *writableTableInterfaceImpl) INSERT(column column, columns ...column) InsertStatement {
-	return newInsertStatement(w.parent, unwindColumns(column, columns...))
+func (w *writableTableInterfaceImpl) INSERT(columns ...column) InsertStatement {
+	//columnList := unwidColumnList(columns)
+	//
+	//if len(columns) == 0 {
+	//	columnList = w.parent.columns()
+	//}
+
+	return newInsertStatement(w.parent, unwidColumnList(columns))
 }
 
 func (w *writableTableInterfaceImpl) UPDATE(column column, columns ...column) UpdateStatement {
@@ -153,8 +164,14 @@ func (t *tableImpl) TableName() string {
 	return t.name
 }
 
-func (t *tableImpl) columns() []Column {
-	return t.columnList
+func (t *tableImpl) columns() []column {
+	ret := []column{}
+
+	for _, col := range t.columnList {
+		ret = append(ret, col)
+	}
+
+	return ret
 }
 
 func (t *tableImpl) serialize(statement statementType, out *queryData, options ...serializeOption) error {
@@ -220,7 +237,7 @@ func (t *joinTable) TableName() string {
 	return ""
 }
 
-func (t *joinTable) columns() []Column {
+func (t *joinTable) columns() []column {
 	return append(t.lhs.columns(), t.rhs.columns()...)
 }
 
@@ -289,3 +306,19 @@ func unwindColumns(column1 column, columns ...column) []column {
 
 	return columnList
 }
+
+func unwidColumnList(columns []column) []column {
+	ret := []column{}
+
+	for _, col := range columns {
+		if columnList, ok := col.(ColumnList); ok {
+			for _, c := range columnList {
+				ret = append(ret, c)
+			}
+		} else {
+			ret = append(ret, col)
+		}
+	}
+
+	return ret
+}
diff --git a/tests/all_types_test.go b/tests/all_types_test.go
index 7d3a361..42f2141 100644
--- a/tests/all_types_test.go
+++ b/tests/all_types_test.go
@@ -26,8 +26,8 @@ func TestAllTypesSelect(t *testing.T) {
 
 func TestAllTypesInsertModel(t *testing.T) {
 	query := AllTypes.INSERT(AllTypes.AllColumns).
-		USING(allTypesRow0).
-		USING(&allTypesRow1).
+		MODEL(allTypesRow0).
+		MODEL(&allTypesRow1).
 		RETURNING(AllTypes.AllColumns)
 
 	dest := []model.AllTypes{}
diff --git a/tests/init/data/test_sample.sql b/tests/init/data/test_sample.sql
index c8b11b0..5ac455b 100644
--- a/tests/init/data/test_sample.sql
+++ b/tests/init/data/test_sample.sql
@@ -144,11 +144,10 @@ VALUES (1, 1, 300, 300, 50000, 5000, 11.44, 11.44, 55.77, 55.77, 99.1, 99.1, 111
 DROP TABLE IF EXISTS test_sample.link;
 
 CREATE TABLE IF NOT EXISTS test_sample.link (
-    ID serial PRIMARY KEY,
+    id serial PRIMARY KEY,
     url VARCHAR (255) NOT NULL,
     name VARCHAR (255) NOT NULL,
-    description VARCHAR (255),
-    rel VARCHAR (50)
+    description VARCHAR (255)
 );
 
 INSERT INTO test_sample.link (ID, url, name, description) VALUES
diff --git a/tests/insert_test.go b/tests/insert_test.go
index 84d7d56..229277c 100644
--- a/tests/insert_test.go
+++ b/tests/insert_test.go
@@ -9,22 +9,20 @@ import (
 )
 
 func TestInsertValues(t *testing.T) {
-
 	cleanUpLinkTable(t)
 
 	var expectedSql = `
-INSERT INTO test_sample.link (id, url, name, rel) VALUES
+INSERT INTO test_sample.link (id, url, name, description) VALUES
      (100, 'http://www.postgresqltutorial.com', 'PostgreSQL Tutorial', DEFAULT),
      (101, 'http://www.google.com', 'Google', DEFAULT),
      (102, 'http://www.yahoo.com', 'Yahoo', NULL)
 RETURNING link.id AS "link.id",
      link.url AS "link.url",
      link.name AS "link.name",
-     link.description AS "link.description",
-     link.rel AS "link.rel";
+     link.description AS "link.description";
 `
 
-	insertQuery := Link.INSERT(Link.ID, Link.URL, Link.Name, Link.Rel).
+	insertQuery := Link.INSERT(Link.ID, Link.URL, Link.Name, Link.Description).
 		VALUES(100, "http://www.postgresqltutorial.com", "PostgreSQL Tutorial", DEFAULT).
 		VALUES(101, "http://www.google.com", "Google", DEFAULT).
 		VALUES(102, "http://www.yahoo.com", "Yahoo", nil).
@@ -47,21 +45,18 @@ RETURNING link.id AS "link.id",
 		ID:   100,
 		URL:  "http://www.postgresqltutorial.com",
 		Name: "PostgreSQL Tutorial",
-		Rel:  nil,
 	})
 
 	assert.DeepEqual(t, insertedLinks[1], model.Link{
 		ID:   101,
 		URL:  "http://www.google.com",
 		Name: "Google",
-		Rel:  nil,
 	})
 
 	assert.DeepEqual(t, insertedLinks[2], model.Link{
 		ID:   102,
 		URL:  "http://www.yahoo.com",
 		Name: "Yahoo",
-		Rel:  nil,
 	})
 
 	allLinks := []model.Link{}
@@ -76,7 +71,24 @@ RETURNING link.id AS "link.id",
 	assert.DeepEqual(t, insertedLinks, allLinks)
 }
 
-func TestInsertDataObject(t *testing.T) {
+func TestInsertEmptyColumnList(t *testing.T) {
+	cleanUpLinkTable(t)
+
+	expectedSql := `
+INSERT INTO test_sample.link VALUES
+     (100, 'http://www.postgresqltutorial.com', 'PostgreSQL Tutorial', DEFAULT);
+`
+
+	stmt := Link.INSERT().
+		VALUES(100, "http://www.postgresqltutorial.com", "PostgreSQL Tutorial", DEFAULT)
+
+	assertStatementSql(t, stmt, expectedSql,
+		100, "http://www.postgresqltutorial.com", "PostgreSQL Tutorial")
+
+	assertExec(t, stmt, 1)
+}
+
+func TestInsertModelObject(t *testing.T) {
 	var expectedSql = `
 INSERT INTO test_sample.link (url, name) VALUES
      ('http://www.duckduckgo.com', 'Duck Duck go');
@@ -85,12 +97,11 @@ INSERT INTO test_sample.link (url, name) VALUES
 	linkData := model.Link{
 		URL:  "http://www.duckduckgo.com",
 		Name: "Duck Duck go",
-		Rel:  nil,
 	}
 
 	query := Link.
 		INSERT(Link.URL, Link.Name).
-		USING(linkData)
+		MODEL(linkData)
 
 	assertStatementSql(t, query, expectedSql, "http://www.duckduckgo.com", "Duck Duck go")
 
@@ -103,6 +114,75 @@ INSERT INTO test_sample.link (url, name) VALUES
 	assert.Equal(t, rowsAffected, int64(1))
 }
 
+func TestInsertModelsObject(t *testing.T) {
+	expectedSql := `
+INSERT INTO test_sample.link (url, name) VALUES
+     ('http://www.postgresqltutorial.com', 'PostgreSQL Tutorial'),
+     ('http://www.google.com', 'Google'),
+     ('http://www.yahoo.com', 'Yahoo');
+`
+
+	tutorial := model.Link{
+		URL:  "http://www.postgresqltutorial.com",
+		Name: "PostgreSQL Tutorial",
+	}
+
+	google := model.Link{
+		URL:  "http://www.google.com",
+		Name: "Google",
+	}
+
+	yahoo := model.Link{
+		URL:  "http://www.yahoo.com",
+		Name: "Yahoo",
+	}
+
+	stmt := Link.
+		INSERT(Link.URL, Link.Name).
+		MODELS([]model.Link{tutorial, google, yahoo})
+
+	assertStatementSql(t, stmt, expectedSql,
+		"http://www.postgresqltutorial.com", "PostgreSQL Tutorial",
+		"http://www.google.com", "Google",
+		"http://www.yahoo.com", "Yahoo")
+
+	assertExec(t, stmt, 3)
+}
+
+func TestInsertUsingMutableColumns(t *testing.T) {
+	var expectedSql = `
+INSERT INTO test_sample.link (url, name, description) VALUES
+     ('http://www.postgresqltutorial.com', 'PostgreSQL Tutorial', DEFAULT),
+     ('http://www.google.com', 'Google', NULL),
+     ('http://www.google.com', 'Google', NULL),
+     ('http://www.yahoo.com', 'Yahoo', NULL);
+`
+
+	google := model.Link{
+		URL:  "http://www.google.com",
+		Name: "Google",
+	}
+
+	yahoo := model.Link{
+		URL:  "http://www.yahoo.com",
+		Name: "Yahoo",
+	}
+
+	stmt := Link.
+		INSERT(Link.MutableColumns).
+		VALUES("http://www.postgresqltutorial.com", "PostgreSQL Tutorial", DEFAULT).
+		MODEL(google).
+		MODELS([]model.Link{google, yahoo})
+
+	assertStatementSql(t, stmt, expectedSql,
+		"http://www.postgresqltutorial.com", "PostgreSQL Tutorial",
+		"http://www.google.com", "Google", nil,
+		"http://www.google.com", "Google", nil,
+		"http://www.yahoo.com", "Yahoo", nil)
+
+	assertExec(t, stmt, 4)
+}
+
 func TestInsertQuery(t *testing.T) {
 	_, err := Link.DELETE().
 		WHERE(Link.ID.NOT_EQ(Int(0)).AND(Link.Name.EQ(String("Youtube")))).
@@ -119,8 +199,7 @@ INSERT INTO test_sample.link (url, name) (
 RETURNING link.id AS "link.id",
      link.url AS "link.url",
      link.name AS "link.name",
-     link.description AS "link.description",
-     link.rel AS "link.rel";
+     link.description AS "link.description";
 `
 
 	query := Link.
diff --git a/tests/update_test.go b/tests/update_test.go
index 4bdffbd..32738d3 100644
--- a/tests/update_test.go
+++ b/tests/update_test.go
@@ -86,8 +86,7 @@ WHERE link.name = 'Ask'
 RETURNING link.id AS "link.id",
           link.url AS "link.url",
           link.name AS "link.name",
-          link.description AS "link.description",
-          link.rel AS "link.rel";
+          link.description AS "link.description";
 `
 
 	stmt := Link.
@@ -120,12 +119,11 @@ func TestUpdateWithSelect(t *testing.T) {
 
 	expectedSql := `
 UPDATE test_sample.link
-SET (id, url, name, description, rel) = (
+SET (id, url, name, description) = (
      SELECT link.id AS "link.id",
           link.url AS "link.url",
           link.name AS "link.name",
-          link.description AS "link.description",
-          link.rel AS "link.rel"
+          link.description AS "link.description"
      FROM test_sample.link
      WHERE link.id = 0
 )
@@ -148,7 +146,7 @@ func TestUpdateWithInvalidSelect(t *testing.T) {
 
 	var expectedSql = `
 UPDATE test_sample.link
-SET (id, url, name, description, rel) = (
+SET (id, url, name, description) = (
      SELECT link.id AS "link.id",
           link.name AS "link.name"
      FROM test_sample.link
@@ -177,10 +175,10 @@ func TestUpdateWithModelData(t *testing.T) {
 
 	expectedSql := `
 UPDATE test_sample.link
-SET (id, url, name, description, rel) = (201, 'http://www.duckduckgo.com', 'DuckDuckGo', NULL, NULL)
+SET (id, url, name, description) = (201, 'http://www.duckduckgo.com', 'DuckDuckGo', NULL)
 WHERE link.id = 201;
 `
-	assertStatementSql(t, stmt, expectedSql, int32(201), "http://www.duckduckgo.com", "DuckDuckGo", nil, nil, int64(201))
+	assertStatementSql(t, stmt, expectedSql, int32(201), "http://www.duckduckgo.com", "DuckDuckGo", nil, int64(201))
 
 	assertExec(t, stmt, 1)
 }
@@ -195,7 +193,7 @@ func TestUpdateWithModelDataAndPredefinedColumnList(t *testing.T) {
 		Name: "DuckDuckGo",
 	}
 
-	updateColumnList := ColumnList{Link.Rel, Link.Name, Link.URL}
+	updateColumnList := ColumnList{Link.Description, Link.Name, Link.URL}
 
 	stmt := Link.
 		UPDATE(updateColumnList).
@@ -204,7 +202,7 @@ func TestUpdateWithModelDataAndPredefinedColumnList(t *testing.T) {
 
 	var expectedSql = `
 UPDATE test_sample.link
-SET (rel, name, url) = (NULL, 'DuckDuckGo', 'http://www.duckduckgo.com')
+SET (description, name, url) = (NULL, 'DuckDuckGo', 'http://www.duckduckgo.com')
 WHERE link.id = 201;
 `
 	assertStatementSql(t, stmt, expectedSql, nil, "DuckDuckGo", "http://www.duckduckgo.com", int64(201))
@@ -252,7 +250,7 @@ func setupLinkTableForUpdateTest(t *testing.T) {
 
 	cleanUpLinkTable(t)
 
-	_, err := Link.INSERT(Link.ID, Link.URL, Link.Name, Link.Rel).
+	_, err := Link.INSERT(Link.ID, Link.URL, Link.Name, Link.Description).
 		VALUES(200, "http://www.postgresqltutorial.com", "PostgreSQL Tutorial", DEFAULT).
 		VALUES(201, "http://www.ask.com", "Ask", DEFAULT).
 		VALUES(202, "http://www.ask.com", "Ask", DEFAULT).
diff --git a/utils.go b/utils.go
index f9c6f68..982c986 100644
--- a/utils.go
+++ b/utils.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"github.com/serenize/snaker"
 	"reflect"
+	"strings"
 )
 
 func serializeOrderByClauseList(statement statementType, orderByClauses []OrderByClause, out *queryData) error {
@@ -166,6 +167,21 @@ func unwindRowFromModel(columns []column, data interface{}) []clause {
 	return row
 }
 
+func unwindRowsFromModels(columns []column, data interface{}) [][]clause {
+	sliceValue := reflect.Indirect(reflect.ValueOf(data))
+	mustBe(sliceValue, reflect.Slice)
+
+	rows := [][]clause{}
+
+	for i := 0; i < sliceValue.Len(); i++ {
+		structValue := sliceValue.Index(i)
+
+		rows = append(rows, unwindRowFromModel(columns, structValue.Interface()))
+	}
+
+	return rows
+}
+
 func unwindRowFromValues(value interface{}, values []interface{}) []clause {
 	row := []clause{}
 
@@ -178,8 +194,16 @@ func unwindRowFromValues(value interface{}, values []interface{}) []clause {
 	return row
 }
 
-func mustBe(v reflect.Value, expected reflect.Kind) {
-	if k := v.Kind(); k != expected {
-		panic("argument mismatch: expected " + expected.String() + ", got " + v.Type().String())
+func mustBe(v reflect.Value, expectedKinds ...reflect.Kind) {
+	indirectV := reflect.Indirect(v)
+	types := []string{}
+
+	for _, expectedKind := range expectedKinds {
+		types = append(types, expectedKind.String())
+		if k := indirectV.Kind(); k == expectedKind {
+			return
+		}
 	}
+
+	panic("argument mismatch: expected " + strings.Join(types, " or ") + ", got " + v.Type().String())
 }