diff --git a/pkg/ui/domain_screens.go b/pkg/ui/domain_screens.go
index 8b50c1f..2237b9d 100644
--- a/pkg/ui/domain_screens.go
+++ b/pkg/ui/domain_screens.go
@@ -207,6 +207,10 @@ func (se *SchemaEditor) showDomainEditor(index int, domain *models.Domain) {
 		se.showDomainList()
 	})
 
+	form.AddButton("Tables", func() {
+		se.showDomainTables(index)
+	})
+
 	form.AddButton("Delete", func() {
 		se.showDeleteDomainConfirm(index)
 	})
diff --git a/pkg/ui/main_menu.go b/pkg/ui/main_menu.go
index 864d2e4..a135faa 100644
--- a/pkg/ui/main_menu.go
+++ b/pkg/ui/main_menu.go
@@ -39,6 +39,18 @@ func (se *SchemaEditor) createMainMenu() tview.Primitive {
 		AddItem("Manage Domains", "View, create, edit, and delete domains", 'd', func() {
 			se.showDomainList()
 		}).
+		AddItem("Manage Indexes", "View, create, edit, and delete table indexes", 'x', func() {
+			se.showObjectList(se.indexKind())
+		}).
+		AddItem("Manage Views", "View, create, edit, and delete views", 'v', func() {
+			se.showObjectList(se.viewKind())
+		}).
+		AddItem("Manage Sequences", "View, create, edit, and delete sequences", 'u', func() {
+			se.showObjectList(se.sequenceKind())
+		}).
+		AddItem("Manage Scripts", "View, create, edit, and delete SQL scripts", 'c', func() {
+			se.showObjectList(se.scriptKind())
+		}).
 		AddItem("Import & Merge", "Import and merge schema from another database", 'i', func() {
 			se.showImportScreen()
 		}).
diff --git a/pkg/ui/object_dataops.go b/pkg/ui/object_dataops.go
new file mode 100644
index 0000000..31418db
--- /dev/null
+++ b/pkg/ui/object_dataops.go
@@ -0,0 +1,263 @@
+package ui
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+)
+
+// Data operations for indexes, views, sequences, scripts and domain/table assignment.
+
+func (se *SchemaEditor) schemaAt(schemaIndex int) (*models.Schema, error) {
+	if schemaIndex < 0 || schemaIndex >= len(se.db.Schemas) {
+		return nil, errors.New("schema not found")
+	}
+	return se.db.Schemas[schemaIndex], nil
+}
+
+func (se *SchemaEditor) tableAt(schemaIndex, tableIndex int) (*models.Schema, *models.Table, error) {
+	schema, err := se.schemaAt(schemaIndex)
+	if err != nil {
+		return nil, nil, err
+	}
+	if tableIndex < 0 || tableIndex >= len(schema.Tables) {
+		return nil, nil, errors.New("table not found")
+	}
+	return schema, schema.Tables[tableIndex], nil
+}
+
+// splitList splits a comma separated list, trimming blanks and dropping empty entries.
+func splitList(s string) []string {
+	parts := make([]string, 0)
+	for _, p := range strings.Split(s, ",") {
+		if p = strings.TrimSpace(p); p != "" {
+			parts = append(parts, p)
+		}
+	}
+	return parts
+}
+
+// SaveIndex adds an index to a table. When oldName is non-empty the index of that
+// name is replaced (and renamed if needed).
+func (se *SchemaEditor) SaveIndex(schemaIndex, tableIndex int, oldName string, idx *models.Index) error {
+	schema, table, err := se.tableAt(schemaIndex, tableIndex)
+	if err != nil {
+		return err
+	}
+	idx.Name = strings.TrimSpace(idx.Name)
+	if idx.Name == "" {
+		return errors.New("index name is required")
+	}
+	if len(idx.Columns) == 0 {
+		return errors.New("index needs at least one column")
+	}
+	for _, c := range idx.Columns {
+		if _, ok := table.Columns[c]; !ok {
+			return fmt.Errorf("column %q not found in table %s", c, table.Name)
+		}
+	}
+	if _, exists := table.Indexes[idx.Name]; exists && idx.Name != oldName {
+		return fmt.Errorf("index %q already exists", idx.Name)
+	}
+	if table.Indexes == nil {
+		table.Indexes = make(map[string]*models.Index)
+	}
+	if oldName != "" {
+		delete(table.Indexes, oldName)
+	}
+	idx.Table = table.Name
+	idx.Schema = schema.Name
+	table.Indexes[idx.Name] = idx
+	table.UpdateDate()
+	se.db.UpdateDate()
+	return nil
+}
+
+// DeleteIndex removes an index from a table.
+func (se *SchemaEditor) DeleteIndex(schemaIndex, tableIndex int, name string) bool {
+	_, table, err := se.tableAt(schemaIndex, tableIndex)
+	if err != nil {
+		return false
+	}
+	if _, ok := table.Indexes[name]; !ok {
+		return false
+	}
+	delete(table.Indexes, name)
+	table.UpdateDate()
+	se.db.UpdateDate()
+	return true
+}
+
+// SaveView adds a view to a schema, or replaces the one at position at (use -1 to add).
+func (se *SchemaEditor) SaveView(schemaIndex, at int, v *models.View) error {
+	schema, err := se.schemaAt(schemaIndex)
+	if err != nil {
+		return err
+	}
+	v.Name = strings.TrimSpace(v.Name)
+	if v.Name == "" {
+		return errors.New("view name is required")
+	}
+	if strings.TrimSpace(v.Definition) == "" {
+		return errors.New("view definition is required")
+	}
+	for i, o := range schema.Views {
+		if i != at && o.Name == v.Name {
+			return fmt.Errorf("view %q already exists", v.Name)
+		}
+	}
+	v.Schema = schema.Name
+	if at >= 0 && at < len(schema.Views) {
+		schema.Views[at] = v
+	} else {
+		schema.Views = append(schema.Views, v)
+	}
+	schema.UpdateDate()
+	se.db.UpdateDate()
+	return nil
+}
+
+// DeleteView removes the view at position at.
+func (se *SchemaEditor) DeleteView(schemaIndex, at int) bool {
+	schema, err := se.schemaAt(schemaIndex)
+	if err != nil || at < 0 || at >= len(schema.Views) {
+		return false
+	}
+	schema.Views = append(schema.Views[:at], schema.Views[at+1:]...)
+	schema.UpdateDate()
+	se.db.UpdateDate()
+	return true
+}
+
+// SaveSequence adds a sequence to a schema, or replaces the one at position at (use -1 to add).
+func (se *SchemaEditor) SaveSequence(schemaIndex, at int, s *models.Sequence) error {
+	schema, err := se.schemaAt(schemaIndex)
+	if err != nil {
+		return err
+	}
+	s.Name = strings.TrimSpace(s.Name)
+	if s.Name == "" {
+		return errors.New("sequence name is required")
+	}
+	if s.IncrementBy == 0 {
+		return errors.New("increment must not be zero")
+	}
+	for i, o := range schema.Sequences {
+		if i != at && o.Name == s.Name {
+			return fmt.Errorf("sequence %q already exists", s.Name)
+		}
+	}
+	s.Schema = schema.Name
+	if at >= 0 && at < len(schema.Sequences) {
+		schema.Sequences[at] = s
+	} else {
+		schema.Sequences = append(schema.Sequences, s)
+	}
+	schema.UpdateDate()
+	se.db.UpdateDate()
+	return nil
+}
+
+// DeleteSequence removes the sequence at position at.
+func (se *SchemaEditor) DeleteSequence(schemaIndex, at int) bool {
+	schema, err := se.schemaAt(schemaIndex)
+	if err != nil || at < 0 || at >= len(schema.Sequences) {
+		return false
+	}
+	schema.Sequences = append(schema.Sequences[:at], schema.Sequences[at+1:]...)
+	schema.UpdateDate()
+	se.db.UpdateDate()
+	return true
+}
+
+// SaveScript adds a script to a schema, or replaces the one at position at (use -1 to add).
+func (se *SchemaEditor) SaveScript(schemaIndex, at int, s *models.Script) error {
+	schema, err := se.schemaAt(schemaIndex)
+	if err != nil {
+		return err
+	}
+	s.Name = strings.TrimSpace(s.Name)
+	if s.Name == "" {
+		return errors.New("script name is required")
+	}
+	if strings.TrimSpace(s.SQL) == "" {
+		return errors.New("script SQL is required")
+	}
+	for i, o := range schema.Scripts {
+		if i != at && o.Name == s.Name {
+			return fmt.Errorf("script %q already exists", s.Name)
+		}
+	}
+	s.Schema = schema.Name
+	if at >= 0 && at < len(schema.Scripts) {
+		schema.Scripts[at] = s
+	} else {
+		schema.Scripts = append(schema.Scripts, s)
+	}
+	schema.UpdateDate()
+	se.db.UpdateDate()
+	return nil
+}
+
+// DeleteScript removes the script at position at.
+func (se *SchemaEditor) DeleteScript(schemaIndex, at int) bool {
+	schema, err := se.schemaAt(schemaIndex)
+	if err != nil || at < 0 || at >= len(schema.Scripts) {
+		return false
+	}
+	schema.Scripts = append(schema.Scripts[:at], schema.Scripts[at+1:]...)
+	schema.UpdateDate()
+	se.db.UpdateDate()
+	return true
+}
+
+// AssignTableToDomain adds a reference to schemaName.tableName to the domain at domainIndex.
+func (se *SchemaEditor) AssignTableToDomain(domainIndex int, schemaName, tableName string) error {
+	if domainIndex < 0 || domainIndex >= len(se.db.Domains) {
+		return errors.New("domain not found")
+	}
+	domain := se.db.Domains[domainIndex]
+	var table *models.Table
+	for _, s := range se.db.Schemas {
+		if s.Name != schemaName {
+			continue
+		}
+		for _, t := range s.Tables {
+			if t.Name == tableName {
+				table = t
+			}
+		}
+	}
+	if table == nil {
+		return fmt.Errorf("table %s.%s not found", schemaName, tableName)
+	}
+	for _, dt := range domain.Tables {
+		if dt.SchemaName == schemaName && dt.TableName == tableName {
+			return fmt.Errorf("table %s.%s is already in domain %s", schemaName, tableName, domain.Name)
+		}
+	}
+	dt := models.InitDomainTable(tableName, schemaName)
+	dt.RefTable = table
+	dt.Sequence = uint(len(domain.Tables))
+	domain.Tables = append(domain.Tables, dt)
+	se.db.UpdateDate()
+	return nil
+}
+
+// UnassignTableFromDomain removes the reference to schemaName.tableName from the domain.
+func (se *SchemaEditor) UnassignTableFromDomain(domainIndex int, schemaName, tableName string) bool {
+	if domainIndex < 0 || domainIndex >= len(se.db.Domains) {
+		return false
+	}
+	domain := se.db.Domains[domainIndex]
+	for i, dt := range domain.Tables {
+		if dt.SchemaName == schemaName && dt.TableName == tableName {
+			domain.Tables = append(domain.Tables[:i], domain.Tables[i+1:]...)
+			se.db.UpdateDate()
+			return true
+		}
+	}
+	return false
+}
diff --git a/pkg/ui/object_dataops_test.go b/pkg/ui/object_dataops_test.go
new file mode 100644
index 0000000..fcf5675
--- /dev/null
+++ b/pkg/ui/object_dataops_test.go
@@ -0,0 +1,136 @@
+package ui
+
+import (
+	"testing"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+)
+
+func newTestEditor() *SchemaEditor {
+	db := models.InitDatabase("test")
+	schema := models.InitSchema("public")
+	table := models.InitTable("users", "public")
+	table.Columns["id"] = models.InitColumn("id", "users", "public")
+	table.Columns["email"] = models.InitColumn("email", "users", "public")
+	schema.Tables = append(schema.Tables, table)
+	db.Schemas = append(db.Schemas, schema)
+	return &SchemaEditor{db: db}
+}
+
+func TestSaveIndex(t *testing.T) {
+	se := newTestEditor()
+	table := se.db.Schemas[0].Tables[0]
+
+	tests := []struct {
+		name    string
+		old     string
+		idx     *models.Index
+		wantErr bool
+	}{
+		{"valid", "", &models.Index{Name: "idx_email", Columns: []string{"email"}, Unique: true}, false},
+		{"duplicate", "", &models.Index{Name: "idx_email", Columns: []string{"email"}}, true},
+		{"missing name", "", &models.Index{Columns: []string{"email"}}, true},
+		{"no columns", "", &models.Index{Name: "idx_none"}, true},
+		{"unknown column", "", &models.Index{Name: "idx_bad", Columns: []string{"nope"}}, true},
+		{"rename", "idx_email", &models.Index{Name: "idx_email2", Columns: []string{"email", "id"}}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := se.SaveIndex(0, 0, tt.old, tt.idx); (err != nil) != tt.wantErr {
+				t.Fatalf("err = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+	if _, ok := table.Indexes["idx_email"]; ok {
+		t.Error("renamed index should be gone under old name")
+	}
+	if idx := table.Indexes["idx_email2"]; idx == nil || idx.Table != "users" || idx.Schema != "public" {
+		t.Errorf("unexpected renamed index: %+v", idx)
+	}
+	if !se.DeleteIndex(0, 0, "idx_email2") || se.DeleteIndex(0, 0, "idx_email2") {
+		t.Error("delete should succeed once")
+	}
+}
+
+func TestSaveViewSequenceScript(t *testing.T) {
+	se := newTestEditor()
+	schema := se.db.Schemas[0]
+
+	if err := se.SaveView(0, -1, &models.View{Name: "v", Definition: "select 1"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := se.SaveView(0, -1, &models.View{Name: "v", Definition: "select 2"}); err == nil {
+		t.Error("duplicate view accepted")
+	}
+	if err := se.SaveView(0, 0, &models.View{Name: "v", Definition: "select 3"}); err != nil {
+		t.Errorf("editing in place should not conflict: %v", err)
+	}
+	if err := se.SaveView(0, -1, &models.View{Name: "w"}); err == nil {
+		t.Error("view without definition accepted")
+	}
+	if len(schema.Views) != 1 || schema.Views[0].Definition != "select 3" || schema.Views[0].Schema != "public" {
+		t.Errorf("unexpected views: %+v", schema.Views)
+	}
+	if !se.DeleteView(0, 0) || se.DeleteView(0, 0) {
+		t.Error("view delete mismatch")
+	}
+
+	if err := se.SaveSequence(0, -1, &models.Sequence{Name: "s", IncrementBy: 1, StartValue: 1}); err != nil {
+		t.Fatal(err)
+	}
+	if err := se.SaveSequence(0, -1, &models.Sequence{Name: "z"}); err == nil {
+		t.Error("zero increment accepted")
+	}
+	if !se.DeleteSequence(0, 0) || len(schema.Sequences) != 0 {
+		t.Error("sequence delete failed")
+	}
+
+	if err := se.SaveScript(0, -1, &models.Script{Name: "init", SQL: "select 1"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := se.SaveScript(0, -1, &models.Script{Name: "empty"}); err == nil {
+		t.Error("script without SQL accepted")
+	}
+	if err := se.SaveScript(5, -1, &models.Script{Name: "x", SQL: "y"}); err == nil {
+		t.Error("bad schema index accepted")
+	}
+	if !se.DeleteScript(0, 0) || len(schema.Scripts) != 0 {
+		t.Error("script delete failed")
+	}
+}
+
+func TestDomainTableAssignment(t *testing.T) {
+	se := newTestEditor()
+	se.createDomainNoUI("core")
+
+	if err := se.AssignTableToDomain(0, "public", "users"); err != nil {
+		t.Fatal(err)
+	}
+	if err := se.AssignTableToDomain(0, "public", "users"); err == nil {
+		t.Error("duplicate assignment accepted")
+	}
+	if err := se.AssignTableToDomain(0, "public", "missing"); err == nil {
+		t.Error("unknown table accepted")
+	}
+	if err := se.AssignTableToDomain(3, "public", "users"); err == nil {
+		t.Error("bad domain index accepted")
+	}
+	dt := se.db.Domains[0].Tables[0]
+	if dt.RefTable != se.db.Schemas[0].Tables[0] {
+		t.Error("RefTable not linked")
+	}
+	if !se.UnassignTableFromDomain(0, "public", "users") || se.UnassignTableFromDomain(0, "public", "users") {
+		t.Error("unassign mismatch")
+	}
+}
+
+func (se *SchemaEditor) createDomainNoUI(name string) {
+	se.db.Domains = append(se.db.Domains, models.InitDomain(name))
+}
+
+func TestSplitList(t *testing.T) {
+	got := splitList(" a, b,, c ,")
+	if len(got) != 3 || got[0] != "a" || got[2] != "c" {
+		t.Errorf("got %v", got)
+	}
+}
diff --git a/pkg/ui/object_screens.go b/pkg/ui/object_screens.go
new file mode 100644
index 0000000..631989e
--- /dev/null
+++ b/pkg/ui/object_screens.go
@@ -0,0 +1,476 @@
+package ui
+
+import (
+	"fmt"
+	"sort"
+	"strconv"
+	"strings"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+)
+
+// objectLocation identifies where a new object is created: a schema, and for indexes also a table.
+type objectLocation struct {
+	label       string
+	schemaIndex int
+	tableIndex  int
+}
+
+// objectRow is one existing object shown in an object list.
+type objectRow struct {
+	cells       []string
+	schemaIndex int
+	tableIndex  int
+	at          int    // position within the schema slice (views, sequences, scripts)
+	name        string // map key (indexes)
+}
+
+// objectKind describes how a kind of schema object is listed and edited.
+type objectKind struct {
+	page      string
+	title     string
+	singular  string
+	headers   []string
+	rows      func() []objectRow
+	locations func() []objectLocation
+	// buildForm adds the editable fields to the form for row (nil when creating) and
+	// returns a function that validates and saves the values at the given location.
+	buildForm func(form *tview.Form, row *objectRow) func(loc objectLocation) error
+	remove    func(row objectRow) bool
+}
+
+func (se *SchemaEditor) schemaLocations() []objectLocation {
+	locs := make([]objectLocation, 0, len(se.db.Schemas))
+	for si, s := range se.db.Schemas {
+		locs = append(locs, objectLocation{label: s.Name, schemaIndex: si, tableIndex: -1})
+	}
+	return locs
+}
+
+func (se *SchemaEditor) tableLocations() []objectLocation {
+	locs := make([]objectLocation, 0)
+	for si, s := range se.db.Schemas {
+		for ti, t := range s.Tables {
+			locs = append(locs, objectLocation{label: s.Name + "." + t.Name, schemaIndex: si, tableIndex: ti})
+		}
+	}
+	return locs
+}
+
+func (se *SchemaEditor) indexKind() objectKind {
+	return objectKind{
+		page:      "indexes",
+		title:     "Manage Indexes",
+		singular:  "Index",
+		headers:   []string{"Name", "Schema", "Table", "Type", "Unique", "Columns"},
+		locations: se.tableLocations,
+		rows: func() []objectRow {
+			var rows []objectRow
+			for si, s := range se.db.Schemas {
+				for ti, t := range s.Tables {
+					for _, name := range sortedKeys(t.Indexes) {
+						idx := t.Indexes[name]
+						rows = append(rows, objectRow{
+							cells:       []string{idx.Name, s.Name, t.Name, idx.Type, strconv.FormatBool(idx.Unique), strings.Join(idx.Columns, ",")},
+							schemaIndex: si, tableIndex: ti, name: name,
+						})
+					}
+				}
+			}
+			return rows
+		},
+		buildForm: func(form *tview.Form, row *objectRow) func(objectLocation) error {
+			idx := models.InitIndex("", "", "")
+			idx.Type = "btree"
+			if row != nil {
+				idx = se.db.Schemas[row.schemaIndex].Tables[row.tableIndex].Indexes[row.name]
+			}
+			name, columns, typ, where := idx.Name, strings.Join(idx.Columns, ", "), idx.Type, idx.Where
+			unique := idx.Unique
+			form.AddInputField("Name", name, 40, nil, func(v string) { name = v })
+			form.AddInputField("Columns (comma separated)", columns, 50, nil, func(v string) { columns = v })
+			form.AddInputField("Type", typ, 20, nil, func(v string) { typ = v })
+			form.AddCheckbox("Unique", unique, func(v bool) { unique = v })
+			form.AddInputField("Where", where, 50, nil, func(v string) { where = v })
+			return func(loc objectLocation) error {
+				oldName := ""
+				if row != nil {
+					oldName = row.name
+				}
+				next := *idx
+				next.Name, next.Columns, next.Type, next.Unique, next.Where = name, splitList(columns), typ, unique, where
+				return se.SaveIndex(loc.schemaIndex, loc.tableIndex, oldName, &next)
+			}
+		},
+		remove: func(r objectRow) bool { return se.DeleteIndex(r.schemaIndex, r.tableIndex, r.name) },
+	}
+}
+
+func (se *SchemaEditor) viewKind() objectKind {
+	return objectKind{
+		page:      "views",
+		title:     "Manage Views",
+		singular:  "View",
+		headers:   []string{"Name", "Schema", "Description"},
+		locations: se.schemaLocations,
+		rows: func() []objectRow {
+			var rows []objectRow
+			for si, s := range se.db.Schemas {
+				for i, v := range s.Views {
+					rows = append(rows, objectRow{cells: []string{v.Name, s.Name, v.Description}, schemaIndex: si, at: i})
+				}
+			}
+			return rows
+		},
+		buildForm: func(form *tview.Form, row *objectRow) func(objectLocation) error {
+			view := models.InitView("", "")
+			at := -1
+			if row != nil {
+				view, at = se.db.Schemas[row.schemaIndex].Views[row.at], row.at
+			}
+			name, desc, def := view.Name, view.Description, view.Definition
+			form.AddInputField("Name", name, 40, nil, func(v string) { name = v })
+			form.AddInputField("Description", desc, 50, nil, func(v string) { desc = v })
+			form.AddTextArea("Definition (SQL)", def, 60, 8, 0, func(v string) { def = v })
+			return func(loc objectLocation) error {
+				next := *view
+				next.Name, next.Description, next.Definition = name, desc, def
+				return se.SaveView(loc.schemaIndex, at, &next)
+			}
+		},
+		remove: func(r objectRow) bool { return se.DeleteView(r.schemaIndex, r.at) },
+	}
+}
+
+func (se *SchemaEditor) sequenceKind() objectKind {
+	return objectKind{
+		page:      "sequences",
+		title:     "Manage Sequences",
+		singular:  "Sequence",
+		headers:   []string{"Name", "Schema", "Start", "Increment", "Cycle", "Description"},
+		locations: se.schemaLocations,
+		rows: func() []objectRow {
+			var rows []objectRow
+			for si, s := range se.db.Schemas {
+				for i, q := range s.Sequences {
+					rows = append(rows, objectRow{
+						cells: []string{q.Name, s.Name, strconv.FormatInt(q.StartValue, 10), strconv.FormatInt(q.IncrementBy, 10), strconv.FormatBool(q.Cycle), q.Description}, schemaIndex: si, at: i,
+					})
+				}
+			}
+			return rows
+		},
+		buildForm: func(form *tview.Form, row *objectRow) func(objectLocation) error {
+			seq := models.InitSequence("", "")
+			at := -1
+			if row != nil {
+				seq, at = se.db.Schemas[row.schemaIndex].Sequences[row.at], row.at
+			}
+			name, desc := seq.Name, seq.Description
+			start, incr := strconv.FormatInt(seq.StartValue, 10), strconv.FormatInt(seq.IncrementBy, 10)
+			minV, maxV := strconv.FormatInt(seq.MinValue, 10), strconv.FormatInt(seq.MaxValue, 10)
+			cycle := seq.Cycle
+			form.AddInputField("Name", name, 40, nil, func(v string) { name = v })
+			form.AddInputField("Description", desc, 50, nil, func(v string) { desc = v })
+			form.AddInputField("Start", start, 20, nil, func(v string) { start = v })
+			form.AddInputField("Increment", incr, 20, nil, func(v string) { incr = v })
+			form.AddInputField("Min (0 = none)", minV, 20, nil, func(v string) { minV = v })
+			form.AddInputField("Max (0 = none)", maxV, 20, nil, func(v string) { maxV = v })
+			form.AddCheckbox("Cycle", cycle, func(v bool) { cycle = v })
+			return func(loc objectLocation) error {
+				next := *seq
+				next.Name, next.Description, next.Cycle = name, desc, cycle
+				for _, f := range []struct {
+					label string
+					text  string
+					dst   *int64
+				}{{"start", start, &next.StartValue}, {"increment", incr, &next.IncrementBy}, {"min", minV, &next.MinValue}, {"max", maxV, &next.MaxValue}} {
+					n, err := strconv.ParseInt(strings.TrimSpace(f.text), 10, 64)
+					if err != nil {
+						return fmt.Errorf("%s must be an integer", f.label)
+					}
+					*f.dst = n
+				}
+				return se.SaveSequence(loc.schemaIndex, at, &next)
+			}
+		},
+		remove: func(r objectRow) bool { return se.DeleteSequence(r.schemaIndex, r.at) },
+	}
+}
+
+func (se *SchemaEditor) scriptKind() objectKind {
+	return objectKind{
+		page:      "scripts",
+		title:     "Manage Scripts",
+		singular:  "Script",
+		headers:   []string{"Name", "Schema", "Version", "Priority", "Description"},
+		locations: se.schemaLocations,
+		rows: func() []objectRow {
+			var rows []objectRow
+			for si, s := range se.db.Schemas {
+				for i, sc := range s.Scripts {
+					rows = append(rows, objectRow{cells: []string{sc.Name, s.Name, sc.Version, strconv.Itoa(sc.Priority), sc.Description}, schemaIndex: si, at: i})
+				}
+			}
+			return rows
+		},
+		buildForm: func(form *tview.Form, row *objectRow) func(objectLocation) error {
+			script := models.InitScript("")
+			at := -1
+			if row != nil {
+				script, at = se.db.Schemas[row.schemaIndex].Scripts[row.at], row.at
+			}
+			name, desc, version, sql, rollback := script.Name, script.Description, script.Version, script.SQL, script.Rollback
+			priority, runAfter := strconv.Itoa(script.Priority), strings.Join(script.RunAfter, ", ")
+			form.AddInputField("Name", name, 40, nil, func(v string) { name = v })
+			form.AddInputField("Description", desc, 50, nil, func(v string) { desc = v })
+			form.AddInputField("Version", version, 20, nil, func(v string) { version = v })
+			form.AddInputField("Priority", priority, 10, nil, func(v string) { priority = v })
+			form.AddInputField("Run after (comma separated)", runAfter, 50, nil, func(v string) { runAfter = v })
+			form.AddTextArea("SQL", sql, 60, 8, 0, func(v string) { sql = v })
+			form.AddTextArea("Rollback SQL", rollback, 60, 4, 0, func(v string) { rollback = v })
+			return func(loc objectLocation) error {
+				prio, err := strconv.Atoi(strings.TrimSpace(priority))
+				if err != nil {
+					return fmt.Errorf("priority must be an integer")
+				}
+				next := *script
+				next.Name, next.Description, next.Version, next.Priority = name, desc, version, prio
+				next.RunAfter, next.SQL, next.Rollback = splitList(runAfter), sql, rollback
+				return se.SaveScript(loc.schemaIndex, at, &next)
+			}
+		},
+		remove: func(r objectRow) bool { return se.DeleteScript(r.schemaIndex, r.at) },
+	}
+}
+
+func sortedKeys[V any](m map[string]V) []string {
+	keys := make([]string, 0, len(m))
+	for k := range m {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	return keys
+}
+
+// showObjectList displays all objects of a kind across schemas.
+func (se *SchemaEditor) showObjectList(k objectKind) {
+	flex := tview.NewFlex().SetDirection(tview.FlexRow)
+	title := tview.NewTextView().SetText("[::b]" + k.title).SetDynamicColors(true).SetTextAlign(tview.AlignCenter)
+
+	table := tview.NewTable().SetBorders(true).SetSelectable(true, false).SetFixed(1, 0)
+	for i, h := range k.headers {
+		table.SetCell(0, i, tview.NewTableCell(h).SetTextColor(tcell.ColorYellow).SetSelectable(false).SetAlign(tview.AlignLeft))
+	}
+	rows := k.rows()
+	for r, row := range rows {
+		for c, text := range row.cells {
+			table.SetCell(r+1, c, tview.NewTableCell(text).SetSelectable(true))
+		}
+	}
+	table.SetTitle(" " + k.title[len("Manage "):] + " ").SetBorder(true).SetTitleAlign(tview.AlignLeft)
+
+	back := func() {
+		se.pages.SwitchToPage("main")
+		se.pages.RemovePage(k.page)
+	}
+	btnNew := tview.NewButton("New " + k.singular + " [n]").SetSelectedFunc(func() { se.showObjectForm(k, nil) })
+	btnBack := tview.NewButton("Back [b]").SetSelectedFunc(back)
+	btnNew.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		switch event.Key() {
+		case tcell.KeyBacktab:
+			se.app.SetFocus(table)
+			return nil
+		case tcell.KeyTab:
+			se.app.SetFocus(btnBack)
+			return nil
+		}
+		return event
+	})
+	btnBack.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		switch event.Key() {
+		case tcell.KeyBacktab:
+			se.app.SetFocus(btnNew)
+			return nil
+		case tcell.KeyTab:
+			se.app.SetFocus(table)
+			return nil
+		}
+		return event
+	})
+	btnFlex := tview.NewFlex().AddItem(btnNew, 0, 1, true).AddItem(btnBack, 0, 1, false)
+
+	table.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		switch {
+		case event.Key() == tcell.KeyEscape, event.Rune() == 'b':
+			back()
+			return nil
+		case event.Key() == tcell.KeyTab:
+			se.app.SetFocus(btnNew)
+			return nil
+		case event.Key() == tcell.KeyEnter:
+			if row, _ := table.GetSelection(); row > 0 && row <= len(rows) {
+				se.showObjectForm(k, &rows[row-1])
+				return nil
+			}
+		case event.Rune() == 'n':
+			se.showObjectForm(k, nil)
+			return nil
+		}
+		return event
+	})
+
+	flex.AddItem(title, 1, 0, false).AddItem(table, 0, 1, true).AddItem(btnFlex, 1, 0, false)
+	se.pages.AddPage(k.page, flex, true, true)
+}
+
+// showObjectForm shows the create (row == nil) or edit form for an object.
+func (se *SchemaEditor) showObjectForm(k objectKind, row *objectRow) {
+	formPage := k.page + "-form"
+	form := tview.NewForm()
+	errView := tview.NewTextView().SetDynamicColors(true)
+
+	locs := k.locations()
+	loc := objectLocation{schemaIndex: -1, tableIndex: -1}
+	switch {
+	case row != nil:
+		loc = objectLocation{schemaIndex: row.schemaIndex, tableIndex: row.tableIndex}
+	case len(locs) > 0:
+		loc = locs[0]
+		labels := make([]string, len(locs))
+		for i, l := range locs {
+			labels[i] = l.label
+		}
+		form.AddDropDown("Location", labels, 0, func(_ string, i int) { loc = locs[i] })
+	}
+
+	save := k.buildForm(form, row)
+
+	closeForm := func() {
+		se.pages.RemovePage(formPage)
+		se.pages.RemovePage(k.page)
+		se.showObjectList(k)
+	}
+	form.AddButton("Save", func() {
+		if err := save(loc); err != nil {
+			errView.SetText("[red]" + tview.Escape(err.Error()))
+			return
+		}
+		closeForm()
+	})
+	if row != nil {
+		form.AddButton("Delete", func() {
+			modal := tview.NewModal().
+				SetText(fmt.Sprintf("Delete %s '%s'? This action cannot be undone.", strings.ToLower(k.singular), row.cells[0])).
+				AddButtons([]string{"Cancel", "Delete"}).
+				SetDoneFunc(func(_ int, label string) {
+					se.pages.RemovePage(formPage + "-delete")
+					if label == "Delete" {
+						k.remove(*row)
+						closeForm()
+					}
+				})
+			se.pages.AddAndSwitchToPage(formPage+"-delete", modal, true)
+		})
+	}
+	form.AddButton("Back", closeForm)
+
+	verb := "New"
+	if row != nil {
+		verb = "Edit"
+	}
+	form.SetBorder(true).SetTitle(" " + verb + " " + k.singular + " ").SetTitleAlign(tview.AlignLeft)
+	form.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		if event.Key() == tcell.KeyEscape {
+			se.showExitConfirmation(formPage, k.page)
+			return nil
+		}
+		return event
+	})
+
+	if len(locs) == 0 && row == nil {
+		errView.SetText("[red]No schema/table available. Create one first.")
+	}
+	flex := tview.NewFlex().SetDirection(tview.FlexRow).AddItem(form, 0, 1, true).AddItem(errView, 1, 0, false)
+	se.pages.AddPage(formPage, flex, true, true)
+}
+
+// showDomainTables lists the tables assigned to a domain and allows assigning/unassigning.
+func (se *SchemaEditor) showDomainTables(domainIndex int) {
+	if domainIndex < 0 || domainIndex >= len(se.db.Domains) {
+		return
+	}
+	domain := se.db.Domains[domainIndex]
+	page := "domain-tables"
+	list := tview.NewList().ShowSecondaryText(true)
+	refresh := func() {
+		se.pages.RemovePage(page)
+		se.showDomainTables(domainIndex)
+	}
+
+	for _, dt := range domain.Tables {
+		dt := dt
+		list.AddItem(dt.SchemaName+"."+dt.TableName, "Enter to remove from domain", 0, func() {
+			se.UnassignTableFromDomain(domainIndex, dt.SchemaName, dt.TableName)
+			refresh()
+		})
+	}
+	list.AddItem("[Assign Table]", "Add a table to this domain", 'a', func() {
+		se.showAssignDomainTable(domainIndex, refresh)
+	})
+	list.AddItem("[Back]", "Return to domain", 'b', func() {
+		se.pages.RemovePage(page)
+	})
+	list.SetBorder(true).SetTitle(" Domain " + domain.Name + " - Tables ").SetTitleAlign(tview.AlignLeft)
+	list.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		if event.Key() == tcell.KeyEscape {
+			se.pages.RemovePage(page)
+			return nil
+		}
+		return event
+	})
+	se.pages.AddPage(page, list, true, true)
+}
+
+// showAssignDomainTable shows a form to pick a table not yet in the domain.
+func (se *SchemaEditor) showAssignDomainTable(domainIndex int, done func()) {
+	page := "assign-domain-table"
+	domain := se.db.Domains[domainIndex]
+	var options []string
+	var refs []models.DomainTable
+	for _, s := range se.db.Schemas {
+		for _, t := range s.Tables {
+			taken := false
+			for _, dt := range domain.Tables {
+				taken = taken || (dt.SchemaName == s.Name && dt.TableName == t.Name)
+			}
+			if !taken {
+				options = append(options, s.Name+"."+t.Name)
+				refs = append(refs, models.DomainTable{SchemaName: s.Name, TableName: t.Name})
+			}
+		}
+	}
+	form := tview.NewForm()
+	selected := 0
+	form.AddDropDown("Table", options, 0, func(_ string, i int) { selected = i })
+	form.AddButton("Assign", func() {
+		if len(refs) > 0 {
+			_ = se.AssignTableToDomain(domainIndex, refs[selected].SchemaName, refs[selected].TableName)
+		}
+		se.pages.RemovePage(page)
+		done()
+	})
+	form.AddButton("Back", func() { se.pages.RemovePage(page) })
+	form.SetBorder(true).SetTitle(" Assign Table ").SetTitleAlign(tview.AlignLeft)
+	form.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		if event.Key() == tcell.KeyEscape {
+			se.pages.RemovePage(page)
+			return nil
+		}
+		return event
+	})
+	se.pages.AddPage(page, form, true, true)
+}