diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index defa0cf..52ab573 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,12 +16,21 @@ jobs:
     uses: NicTool/.github/.github/workflows/coverage.yml@main
     secrets: inherit
 
+  get-lts:
+    runs-on: ubuntu-latest
+    steps:
+      - id: get
+        uses: msimerson/node-lts-versions@v1
+    outputs:
+      lts: ${{ steps.get.outputs.lts }}
+      active: ${{ steps.get.outputs.active }}
+
   test:
     needs: [ lint, get-lts ]
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest]
         node-version: ${{ fromJson(needs.get-lts.outputs.active) }}
       fail-fast: false
     steps:
@@ -37,11 +46,23 @@ jobs:
       - run: npm install
       - run: npm test
 
-  get-lts:
-    runs-on: ubuntu-latest
+  test-win:
+    needs: [ lint, get-lts ]
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-latest]
+        node-version: ${{ fromJson(needs.get-lts.outputs.active) }}
+      fail-fast: false
     steps:
-      - id: get
-        uses: msimerson/node-lts-versions@v1
-    outputs:
-      lts: ${{ steps.get.outputs.lts }}
-      active: ${{ steps.get.outputs.active }}
+      - name: Start MySQL
+        run: /etc/init.d/mysql start
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        name: Node ${{ matrix.node-version }} on ${{ matrix.os }}
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Initialize MySQL
+        run: sh sql/init-mysql.sh
+      - run: npm install
+      - run: npm test
diff --git a/sql/01_nt_group.sql b/sql/01_nt_group.sql
index 16a5e78..0a8735e 100644
--- a/sql/01_nt_group.sql
+++ b/sql/01_nt_group.sql
@@ -28,7 +28,6 @@ CREATE TABLE nt_group_log(
     PRIMARY KEY (`nt_group_log_id`),
     KEY `nt_group_log_idx1` (`nt_group_id`),
     KEY `nt_group_log_idx2` (`timestamp`)
-    /* CONSTRAINT `nt_group_log_ibfk_1` FOREIGN KEY (`nt_group_id`) REFERENCES `nt_group` (`nt_group_id`) ON DELETE CASCADE ON UPDATE CASCADE */
 ) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin ROW_FORMAT=COMPRESSED;
 
 
@@ -39,7 +38,6 @@ CREATE TABLE nt_group_subgroups(
     rank                INT UNSIGNED NOT NULL,
     KEY `nt_group_subgroups_idx1` (`nt_group_id`),
     KEY `nt_group_subgroups_idx2` (`nt_subgroup_id`)
-    /* CONSTRAINT `nt_group_subgroups_ibfk_1` FOREIGN KEY (`nt_group_id`) REFERENCES `nt_group` (`nt_group_id`) ON DELETE CASCADE ON UPDATE CASCADE */
 ) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
 
 INSERT INTO `nt_group` (`nt_group_id`, `parent_group_id`, `name`)