diff --git a/index.js b/index.js
index 4060bec..f2b2e4a 100644
--- a/index.js
+++ b/index.js
@@ -23,7 +23,7 @@ app.use(bodyParser.urlencoded({ extended: true }));
 app.use(express.static("public"));
 app.use(fileUpload());
 
-const db = betterSqlite3("./prime.db");
+const db = betterSqlite3("./dbs/0.sqlite");
 
 db.pragma("journal_mode = WAL");
 
@@ -297,11 +297,7 @@ function createDb(db, structId, name) {
         `);
     insertStructureDbStmt.run(dbId, structId, name);
 
-    const dbDir = path.join("dbs", dbId.toString());
-    if (!fs.existsSync(dbDir)) {
-      fs.mkdirSync(dbDir, { recursive: true });
-    }
-    const newDbPath = path.join(dbDir, `${name}.sqlite`);
+    const newDbPath = path.join("dbs", `${dbId}.sqlite`);
     const newDb = betterSqlite3(newDbPath);
     newDb.close();
 
@@ -311,6 +307,14 @@ function createDb(db, structId, name) {
   return transaction();
 }
 
+function attachDb(db, structId, dbId, alias) {
+  const insertStructureDbStmt = db.prepare(`
+    INSERT INTO structure_dbs (db_id, structure_id, alias)
+    VALUES (?, ?, ?)
+  `);
+  insertStructureDbStmt.run(dbId, structId, alias);
+}
+
 function getFilesForStruct(db, structureId) {
   let test = db
     .prepare("SELECT * FROM files WHERE structure_id = ? ORDER BY id DESC")
@@ -446,6 +450,12 @@ app.post("/workshop/:structure_id/db", (req, res) => {
   return smartRedirect(req, res, redirectUrl);
 });
 
+app.post("/workshop/:structure_id/db/attach", (req, res) => {
+  attachDb(db, req.params.structure_id, req.body.db_id, req.body.alias);
+  const redirectUrl = `/workshop/${req.params.structure_id}/db/${req.body.db_id}`;
+  return smartRedirect(req, res, redirectUrl);
+});
+
 app.get("/workshop/:structure_id/db/:db_id", (req, res) => {
   const structdb = getDbForStructure(
     db,
diff --git a/migrations/000_bootstrap_db.sql b/migrations/000_bootstrap_db.sql
index 0b98b26..692241e 100644
--- a/migrations/000_bootstrap_db.sql
+++ b/migrations/000_bootstrap_db.sql
@@ -20,7 +20,7 @@ CREATE TABLE structures (
 CREATE TABLE dbs (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
     name TEXT NOT NULL,
-    structure_id INTEGER,
+    structure_id INTEGER NOT NULL,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     library TEXT NOT NULL DEFAULT "",
@@ -75,6 +75,16 @@ CREATE TABLE files (
     UNIQUE(path, structure_id)
 );
 
+INSERT INTO
+    structures (id, name, user_id)
+VALUES
+    (0, 'prime', NULL);
+
+INSERT INTO
+    dbs (id, name, structure_id, library)
+VALUES
+    (0, 'prime', 0, '');
+
 -- ===========================
 --         TRIGGERS
 -- ===========================
diff --git a/views/workshop/new_db_modal.eta b/views/workshop/new_db_modal.eta
index 00c370a..05fbaa9 100644
--- a/views/workshop/new_db_modal.eta
+++ b/views/workshop/new_db_modal.eta
@@ -7,16 +7,42 @@
       </div>
     </div>
     <div class="window-body">
-      <form hx-post="/workshop/<%= it.structure.id %>/db" hx-target="#response">
-        <div class="field-row-stacked" style="width: 200px">
-          <label for="name">Name</label>
-          <input name="name" id="name" type="text" />
-        </div>
-        <section class="field-row" style="justify-content: flex-end">
-          <button type="submit">OK</button>
-          <button type="button" _="on click trigger closeModal">Cancel</button>
-        </section>
-      </form>
-      <div id="response"></div>
+      <section class="tabs" style="max-width: 500px">
+        <menu role="tablist" aria-label="Sample Tabs">
+          <button role="tab" aria-selected="true" aria-controls="new" _="on click add .hidden to #existing then remove .hidden from #new then setAttribute('aria-selected', 'true')">New</button>
+          <button role="tab" aria-controls="existing" _="on click add .hidden to #new then remove .hidden from #existing then setAttribute('aria-selected', 'true') to me">Existing</button>
+        </menu>
+        <article role="tabpanel" id="new">
+          <form hx-post="/workshop/<%= it.structure.id %>/db" hx-target="#response">
+            <div class="field-row-stacked" style="width: 200px">
+              <label for="name">Name</label>
+              <input name="name" id="name" type="text" />
+            </div>
+            <section class="field-row" style="justify-content: flex-end">
+              <button type="submit">OK</button>
+              <button type="button" _="on click trigger closeModal">Cancel</button>
+            </section>
+          </form>
+          <div id="response"></div>
+        </article>
+        <article role="tabpanel" class="hidden" id="existing">
+          <form hx-post="/workshop/<%= it.structure.id %>/db/attach" hx-target="#response">
+            <div class="field-row-stacked" style="width: 200px">
+              <label for="alias">Alias</label>
+              <input name="alias" id="alias" type="text" />
+            </div>
+            <div class="field-row-stacked" style="width: 200px">
+              <label for="db_id">DB ID</label>
+              <input name="db_id" id="db_id" type="text" />
+            </div>
+            <section class="field-row" style="justify-content: flex-end">
+              <button type="submit">OK</button>
+              <button type="button" _="on click trigger closeModal">Cancel</button>
+            </section>
+          </form>
+          <div id="response"></div>
+        </article>
+      </section>
     </div>
-  </div>
\ No newline at end of file
+  </div>
+</div>
\ No newline at end of file