diff --git a/database/scripts/deduce.ts b/database/scripts/deduce.ts
index e984a65d..f56ebdc3 100644
--- a/database/scripts/deduce.ts
+++ b/database/scripts/deduce.ts
@@ -11,7 +11,7 @@ import {
 deduce()
 
 /**
- * Makes deductions for categories and functors.
+ * Makes deductions for categories, functors, and other categorical structures.
  */
 function deduce() {
 	// --- categories ---
diff --git a/database/scripts/setup.ts b/database/scripts/setup.ts
index eab8551f..13c29f79 100644
--- a/database/scripts/setup.ts
+++ b/database/scripts/setup.ts
@@ -1,6 +1,6 @@
 import fs from 'node:fs'
 import path from 'node:path'
-import { get_client } from '$shared/db'
+import { delete_database_file, get_client } from '$shared/db'
 import { create_schema_hash, write_schema_hash } from './utils/schema'
 import { devlog } from '$shared/utils'
 
@@ -9,11 +9,13 @@ const schema_folder = path.resolve('database', 'schema')
 setup()
 
 /**
- * Creates the tables, indexes, triggers, and views.
+ * Creates the tables, indexes, triggers, and views in the database.
  */
 function setup() {
 	console.info('\n--- Setup CatDat database ---')
 
+	delete_database_file()
+
 	const db = get_client({ readonly: false })
 
 	const files = fs
diff --git a/database/scripts/snapshot.ts b/database/scripts/snapshot.ts
new file mode 100644
index 00000000..f4a2d309
--- /dev/null
+++ b/database/scripts/snapshot.ts
@@ -0,0 +1,12 @@
+import fs from 'node:fs'
+import path from 'node:path'
+
+/**
+ * For the download feature, the local database file is copied
+ * to the folder with static assets.
+ */
+
+const source = path.resolve('database', 'catdat.db')
+const target = path.join(path.resolve('static', 'databases'), 'catdat-snapshot.db')
+
+fs.copyFileSync(source, target)
diff --git a/database/scripts/watch.ts b/database/scripts/watch.ts
index 6d3b202a..fcc0e857 100644
--- a/database/scripts/watch.ts
+++ b/database/scripts/watch.ts
@@ -4,6 +4,10 @@ import { exec } from 'node:child_process'
 
 const data_folder = path.resolve('database', 'data')
 
+/**
+ * Script that continuously updates all data when some file is changed.
+ */
+
 function onchange(file: string) {
 	console.info(`File changed: ${file}`)
 
diff --git a/package.json b/package.json
index 98a9b66a..d7048574 100644
--- a/package.json
+++ b/package.json
@@ -15,12 +15,11 @@
 		"lint": "prettier --check .",
 		"prepare": "husky",
 		"db:shell": "sqlite3 database/catdat.db",
-		"db:kill": "rm -rf database/catdat.db",
-		"db:setup": "pnpm db:kill && tsx --tsconfig database/tsconfig.json database/scripts/setup.ts",
+		"db:setup": "tsx --tsconfig database/tsconfig.json database/scripts/setup.ts",
 		"db:seed": "tsx --tsconfig database/tsconfig.json database/scripts/seed.ts",
 		"db:deduce": "tsx --tsconfig database/tsconfig.json database/scripts/deduce.ts",
 		"db:test": "tsx --tsconfig database/tsconfig.json database/scripts/test.ts",
-		"db:snapshot": "cp database/catdat.db static/databases/catdat-snapshot.db",
+		"db:snapshot": "tsx --tsconfig database/tsconfig.json database/scripts/snapshot.ts",
 		"db:update": "pnpm db:seed && pnpm db:deduce && pnpm db:test && pnpm db:snapshot",
 		"db:watch": "tsx --tsconfig database/tsconfig.json database/scripts/watch.ts",
 		"db:redundancies": "tsx --tsconfig database/tsconfig.json database/scripts/redundancies.ts",
diff --git a/shared/db.ts b/shared/db.ts
index c557fa1f..9ce576ba 100644
--- a/shared/db.ts
+++ b/shared/db.ts
@@ -1,5 +1,6 @@
 import Database from 'better-sqlite3'
 import path from 'node:path'
+import fs from 'node:fs'
 
 const db_path = path.resolve('database', 'catdat.db')
 
@@ -8,3 +9,7 @@ export function get_client(options: { readonly: boolean }) {
 	db.pragma('foreign_keys = ON')
 	return db
 }
+
+export function delete_database_file() {
+	fs.rmSync(db_path, { force: true })
+}