diff --git a/.github/workflows/declarative-sql-review-action.yml b/.github/workflows/declarative-sql-review-action.yml
new file mode 100644
index 0000000..b32edad
--- /dev/null
+++ b/.github/workflows/declarative-sql-review-action.yml
@@ -0,0 +1,30 @@
+name: SQL review on pull request with declarative release using bytebase-action image
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "schema/*.sql"
+
+jobs:
+  check-release-on-prod:
+    permissions:
+        pull-requests: write # write permission required to allow the action writes the check results to the comment.
+    runs-on: ubuntu-latest # use self-hosted machines if your Bytebase runs in internal networks.
+    container:
+      image: bytebase/bytebase-action:latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Check release
+        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: api@service.bytebase.com # set service account via environment variable
+            BYTEBASE_SERVICE_ACCOUNT_SECRET: ${{ secrets.BYTEBASE_SERVICE_ACCOUNT_SECRET }} # set service account secret via environment variable
+            BYTEBASE_PROJECT: "projects/hr"
+            BYTEBASE_TARGETS: "instances/prod-sample-instance/databases/hr_prod"
+            FILE_PATTERN: "schema/*.sql"
+        run: |
+          bytebase-action check --url=${{ env.BYTEBASE_URL }} --project=${{ env.BYTEBASE_PROJECT }} --targets=${{ env.BYTEBASE_TARGETS }} --file-pattern=${{ env.FILE_PATTERN }} --declarative
diff --git a/schema/schema.sql b/schema/schema.sql
index 98d0a02..d06b817 100644
--- a/schema/schema.sql
+++ b/schema/schema.sql
@@ -1,120 +1,112 @@
-CREATE TABLE public.employee (
-	emp_no      SERIAL NOT NULL,
-	birth_date  DATE NOT NULL,
-	first_name  TEXT NOT NULL,
-	last_name   TEXT NOT NULL,
-	gender      TEXT NOT NULL CHECK (gender IN('M', 'F')) NOT NULL,
-	hire_date   DATE NOT NULL,
-	PRIMARY KEY (emp_no)
+COMMENT ON SCHEMA "public" IS 'standard public schema';
+
+CREATE TABLE "public"."audit" (
+    "id" serial,
+    "operation" text NOT NULL,
+    "query" text,
+    "user_name" text NOT NULL,
+    "changed_at" timestamp(6) with time zone DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "audit_pkey" PRIMARY KEY (id)
 );
 
-CREATE INDEX idx_employee_hire_date ON public.employee (hire_date);
+CREATE INDEX "idx_audit_changed_at" ON ONLY "public"."audit" (changed_at);
+
+CREATE INDEX "idx_audit_operation" ON ONLY "public"."audit" (operation);
+
+CREATE INDEX "idx_audit_username" ON ONLY "public"."audit" (user_name);
+
+CREATE TABLE "public"."department" (
+    "dept_no" text NOT NULL,
+    "dept_name" text NOT NULL,
+    CONSTRAINT "department_pkey" PRIMARY KEY (dept_no),
+    CONSTRAINT "department_dept_name_key" UNIQUE (dept_name)
+);
 
-CREATE TABLE public.department (
-	dept_no     TEXT NOT NULL,
-	dept_name   TEXT NOT NULL,
-	PRIMARY KEY (dept_no),
-	UNIQUE      (dept_name)
+CREATE TABLE "public"."dept_emp" (
+    "emp_no" integer NOT NULL,
+    "dept_no" text NOT NULL,
+    "from_date" date NOT NULL,
+    "to_date" date NOT NULL,
+    CONSTRAINT "dept_emp_pkey" PRIMARY KEY (emp_no, dept_no),
+    CONSTRAINT "dept_emp_dept_no_fkey" FOREIGN KEY ("dept_no") REFERENCES "public"."department" ("dept_no") ON DELETE CASCADE,
+    CONSTRAINT "dept_emp_emp_no_fkey" FOREIGN KEY ("emp_no") REFERENCES "public"."employee" ("emp_no") ON DELETE CASCADE
 );
 
-CREATE TABLE public.dept_manager (
-	emp_no      INT NOT NULL,
-	dept_no     TEXT NOT NULL,
-	from_date   DATE NOT NULL,
-	to_date     DATE NOT NULL,
-	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
-	FOREIGN KEY (dept_no) REFERENCES department (dept_no) ON DELETE CASCADE,
-	PRIMARY KEY (emp_no, dept_no)
+CREATE TABLE "public"."dept_manager" (
+    "emp_no" integer NOT NULL,
+    "dept_no" text NOT NULL,
+    "from_date" date NOT NULL,
+    "to_date" date NOT NULL,
+    CONSTRAINT "dept_manager_pkey" PRIMARY KEY (emp_no, dept_no),
+    CONSTRAINT "dept_manager_dept_no_fkey" FOREIGN KEY ("dept_no") REFERENCES "public"."department" ("dept_no") ON DELETE CASCADE,
+    CONSTRAINT "dept_manager_emp_no_fkey" FOREIGN KEY ("emp_no") REFERENCES "public"."employee" ("emp_no") ON DELETE CASCADE
 );
 
-CREATE TABLE public.dept_emp (
-	emp_no      INT NOT NULL,
-	dept_no     TEXT NOT NULL,
-	from_date   DATE NOT NULL,
-	to_date     DATE NOT NULL,
-	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
-	FOREIGN KEY (dept_no) REFERENCES department (dept_no) ON DELETE CASCADE,
-	PRIMARY KEY (emp_no, dept_no)
+CREATE TABLE "public"."employee" (
+    "emp_no" serial,
+    "birth_date" date NOT NULL,
+    "first_name" text NOT NULL,
+    "last_name" text NOT NULL,
+    "gender" text NOT NULL,
+    "hire_date" date NOT NULL,
+    CONSTRAINT "employee_pkey" PRIMARY KEY (emp_no),
+    CONSTRAINT "employee_gender_check" CHECK (gender = ANY (ARRAY['M'::text, 'F'::text]))
 );
 
-CREATE TABLE public.title (
-	emp_no      INT NOT NULL,
-	title       TEXT NOT NULL,
-	from_date   DATE NOT NULL,
-	to_date     DATE,
-	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
-	PRIMARY KEY (emp_no, title, from_date)
-); 
-
-CREATE TABLE public.salary (
-	emp_no      INT NOT NULL,
-	amount      INT NOT NULL,
-	from_date   DATE NOT NULL,
-	to_date     DATE NOT NULL,
-	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
-	PRIMARY KEY (emp_no, from_date)
+CREATE INDEX "idx_employee_hire_date" ON ONLY "public"."employee" (hire_date);
+
+CREATE TABLE "public"."salary" (
+    "emp_no" integer NOT NULL,
+    "amount" integer NOT NULL,
+    "from_date" date NOT NULL,
+    "to_date" date NOT NULL,
+    CONSTRAINT "salary_pkey" PRIMARY KEY (emp_no, from_date),
+    CONSTRAINT "salary_emp_no_fkey" FOREIGN KEY ("emp_no") REFERENCES "public"."employee" ("emp_no") ON DELETE CASCADE
 );
 
-CREATE INDEX idx_salary_amount ON public.salary (amount);
+CREATE INDEX "idx_salary_amount" ON ONLY "public"."salary" (amount);
 
-CREATE TABLE public.audit (
-    id SERIAL PRIMARY KEY,
-    operation TEXT NOT NULL,
-    query TEXT,
-    user_name TEXT NOT NULL,
-    changed_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
+CREATE TABLE "public"."title" (
+    "emp_no" integer NOT NULL,
+    "title" text NOT NULL,
+    "from_date" date NOT NULL,
+    "to_date" date,
+    CONSTRAINT "title_pkey" PRIMARY KEY (emp_no, title, from_date),
+    CONSTRAINT "title_emp_no_fkey" FOREIGN KEY ("emp_no") REFERENCES "public"."employee" ("emp_no") ON DELETE CASCADE
 );
 
-CREATE INDEX idx_audit_operation ON public.audit (operation);
-CREATE INDEX idx_audit_username ON public.audit (user_name);
-CREATE INDEX idx_audit_changed_at ON public.audit (changed_at);
+CREATE VIEW "public"."current_dept_emp" AS SELECT l.emp_no,
+    d.dept_no,
+    l.from_date,
+    l.to_date
+   FROM (public.dept_emp d
+     JOIN public.dept_emp_latest_date l ON (((d.emp_no = l.emp_no) AND (d.from_date = l.from_date) AND (l.to_date = d.to_date))));
 
-CREATE OR REPLACE FUNCTION public.log_dml_operations() RETURNS TRIGGER AS $$
+CREATE VIEW "public"."dept_emp_latest_date" AS SELECT emp_no,
+    max(from_date) AS from_date,
+    max(to_date) AS to_date
+   FROM public.dept_emp
+  GROUP BY emp_no;
+
+CREATE OR REPLACE FUNCTION public.log_dml_operations()
+ RETURNS trigger
+ LANGUAGE plpgsql
+AS $function$
 BEGIN
     IF (TG_OP = 'INSERT') THEN
-        INSERT INTO public.audit (operation, query, user_name)
+        INSERT INTO audit (operation, query, user_name)
         VALUES ('INSERT', current_query(), current_user);
         RETURN NEW;
     ELSIF (TG_OP = 'UPDATE') THEN
-        INSERT INTO public.audit (operation, query, user_name)
+        INSERT INTO audit (operation, query, user_name)
         VALUES ('UPDATE', current_query(), current_user);
         RETURN NEW;
     ELSIF (TG_OP = 'DELETE') THEN
-        INSERT INTO public.audit (operation, query, user_name)
+        INSERT INTO audit (operation, query, user_name)
         VALUES ('DELETE', current_query(), current_user);
         RETURN OLD;
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql;
-
--- only log update and delete, otherwise, it will cause too much change.
-CREATE TRIGGER salary_log_trigger
-AFTER UPDATE OR DELETE ON public.salary
-FOR EACH ROW
-EXECUTE FUNCTION public.log_dml_operations();
-
-CREATE OR REPLACE VIEW public.dept_emp_latest_date AS
-SELECT
-	emp_no,
-	MAX(
-		from_date) AS from_date,
-	MAX(
-		to_date) AS to_date
-FROM
-	public.dept_emp
-GROUP BY
-	emp_no;
-
--- shows only the current department for each employee
-CREATE OR REPLACE VIEW public.current_dept_emp AS
-SELECT
-	l.emp_no,
-	dept_no,
-	l.from_date,
-	l.to_date
-FROM
-	public.dept_emp d
-	INNER JOIN public.dept_emp_latest_date l ON d.emp_no = l.emp_no
-		AND d.from_date = l.from_date
-		AND l.to_date = d.to_date;
+$function$;
+
diff --git a/schema/users.sql b/schema/users.sql
deleted file mode 100644
index b66be12..0000000
--- a/schema/users.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-CREATE TABLE public.users (
-    id SERIAL PRIMARY KEY,
-    name VARCHAR(255) NOT NULL,
-    email VARCHAR(255) NOT NULL UNIQUE
-);