diff --git a/.github/workflows/migrations/20250415_create_table_t1_ddl.sql b/.github/workflows/migrations/20250415_create_table_t1_ddl.sql
new file mode 100644
index 0000000..7a079e4
--- /dev/null
+++ b/.github/workflows/migrations/20250415_create_table_t1_ddl.sql
@@ -0,0 +1,4 @@
+CREATE TABLE t1 (
+ id SERIAL PRIMARY KEY,
+ name TEXT
+);
diff --git a/.github/workflows/sql-review.yml b/.github/workflows/sql-review.yml
index 59c0fbf..af2ec22 100644
--- a/.github/workflows/sql-review.yml
+++ b/.github/workflows/sql-review.yml
@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest # use self-hosted machines if your Bytebase runs in internal networks.
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # set GITHUB_TOKEN because the 'Check release' step needs it to comment the pull request with check results.
-      BYTEBASE_URL: https://demo.bytebase.com
-      BYTEBASE_SERVICE_ACCOUNT: ci@service.bytebase.com
+      BYTEBASE_URL: https://3afb-113-190-242-52.ngrok-free.app
+      BYTEBASE_SERVICE_ACCOUNT: api-example@service.bytebase.com
       BYTEBASE_PROJECT: "projects/project-sample"
-      BYTEBASE_TARGETS: "instances/test-sample-instance/databases/hr_test"
+      BYTEBASE_TARGETS: "instances/test-sample-instance/databases/hr_test,instances/prod-sample-instance/databases/hr_prod"
       FILE_PATTERN: "migrations/*.sql"
     steps:
       - name: Checkout
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..034e848
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,21 @@
+# Security Policy
+
+## Supported Versions
+
+Use this section to tell people about which versions of your project are
+currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 5.1.x   | :white_check_mark: |
+| 5.0.x   | :x:                |
+| 4.0.x   | :white_check_mark: |
+| < 4.0   | :x:                |
+
+## Reporting a Vulnerability
+
+Use this section to tell people how to report a vulnerability.
+
+Tell them where to go, how often they can expect to get an update on a
+reported vulnerability, what to expect if the vulnerability is accepted or
+declined, etc.
diff --git a/dev/V20250415__create_users.sql b/dev/V20250415__create_users.sql
new file mode 100644
index 0000000..041bd89
--- /dev/null
+++ b/dev/V20250415__create_users.sql
@@ -0,0 +1,4 @@
+CREATE TABLE users (
+  id INT PRIMARY KEY,
+  name VARCHAR(255)
+);
diff --git a/migrations/20250415_create_table_t1_ddl.sql b/migrations/20250415_create_table_t1_ddl.sql
new file mode 100644
index 0000000..7a079e4
--- /dev/null
+++ b/migrations/20250415_create_table_t1_ddl.sql
@@ -0,0 +1,4 @@
+CREATE TABLE t1 (
+ id SERIAL PRIMARY KEY,
+ name TEXT
+);