diff --git a/etc/schema/pgsql.schema.sql b/etc/schema/pgsql.schema.sql
new file mode 100644
index 0000000000..b699eccf8e
--- /dev/null
+++ b/etc/schema/pgsql.schema.sql
@@ -0,0 +1,96 @@
+/**
+ * Table "icingaweb_group"
+ */
+CREATE TABLE "icingaweb_group" (
+  "name"   character varying(64) NOT NULL,
+  "parent" character varying(64) NULL DEFAULT NULL,
+  "ctime"  timestamp NULL DEFAULT NULL,
+  "mtime"  timestamp NULL DEFAULT NULL
+);
+
+ALTER TABLE ONLY "icingaweb_group"
+  ADD CONSTRAINT pk_icingaweb_group
+  PRIMARY KEY (
+    "name"
+);
+
+CREATE UNIQUE INDEX idx_icingaweb_group
+  ON "icingaweb_group"
+  USING btree (
+    lower((name)::text)
+);
+
+
+/**
+ * Table "icingaweb_group_membership"
+ */
+CREATE TABLE "icingaweb_group_membership" (
+  "group_name" character varying(64) NOT NULL,
+  "username"   character varying(64) NOT NULL,
+  "ctime"      timestamp NULL DEFAULT NULL,
+  "mtime"      timestamp NULL DEFAULT NULL
+);
+
+ALTER TABLE ONLY "icingaweb_group_membership"
+  ADD CONSTRAINT pk_icingaweb_group_membership
+  PRIMARY KEY (
+    "group_name",
+    "username"
+);
+
+CREATE UNIQUE INDEX idx_icingaweb_group_membership
+  ON "icingaweb_group_membership"
+  USING btree (
+    lower((group_name)::text),
+    lower((username)::text)
+);
+
+
+/**
+ * Table "icingaweb_user"
+ */
+CREATE TABLE "icingaweb_user" (
+  "name"          character varying(64) NOT NULL,
+  "active"        smallint NOT NULL,
+  "password_hash" bytea NOT NULL,
+  "ctime"         timestamp NULL DEFAULT NULL,
+  "mtime"         timestamp NULL DEFAULT NULL
+);
+
+ALTER TABLE ONLY "icingaweb_user"
+  ADD CONSTRAINT pk_icingaweb_user
+  PRIMARY KEY (
+    "name"
+);
+
+CREATE UNIQUE INDEX idx_icingaweb_user
+  ON "icingaweb_user"
+  USING btree (
+    lower((name)::text)
+);
+
+
+/**
+ * Table "icingaweb_user_preference"
+ */
+CREATE TABLE "icingaweb_user_preference" (
+  "username" character varying(64) NOT NULL,
+  "name"     character varying(64) NOT NULL,
+  "value"    character varying(255) NOT NULL,
+  "ctime"    timestamp NULL DEFAULT NULL,
+  "mtime"    timestamp NULL DEFAULT NULL
+);
+
+ALTER TABLE ONLY "icingaweb_user_preference"
+  ADD CONSTRAINT pk_icingaweb_user_preference
+  PRIMARY KEY (
+    "username",
+    "name"
+);
+
+CREATE UNIQUE INDEX idx_icingaweb_user_preference
+  ON "icingaweb_user_preference"
+  USING btree (
+    lower((username)::text),
+    lower((name)::text)
+);
\ No newline at end of file