diff --git a/packages/schemas/src/db-entries/custom-types.ts b/packages/schemas/src/db-entries/custom-types.ts
index ceedccc35..6cba93da5 100644
--- a/packages/schemas/src/db-entries/custom-types.ts
+++ b/packages/schemas/src/db-entries/custom-types.ts
@@ -5,6 +5,14 @@ export enum ApplicationType {
   SPA = 'SPA',
   Traditional = 'Traditional',
 }
+export enum UserLogType {
+  SignInUsernameAndPassword = 'SignInUsernameAndPassword',
+  ExchangeAccessToken = 'ExchangeAccessToken',
+}
+export enum UserLogResult {
+  Success = 'Success',
+  Failed = 'Failed',
+}
 export enum PasswordEncryptionMethod {
   SaltAndPepper = 'SaltAndPepper',
 }
diff --git a/packages/schemas/src/db-entries/index.ts b/packages/schemas/src/db-entries/index.ts
index 497cf7050..d8cc7a1db 100644
--- a/packages/schemas/src/db-entries/index.ts
+++ b/packages/schemas/src/db-entries/index.ts
@@ -3,4 +3,5 @@
 export * from './custom-types';
 export * from './application';
 export * from './oidc-model-instance';
+export * from './user-log';
 export * from './user';
diff --git a/packages/schemas/src/db-entries/user-log.ts b/packages/schemas/src/db-entries/user-log.ts
new file mode 100644
index 000000000..51f1fa5ff
--- /dev/null
+++ b/packages/schemas/src/db-entries/user-log.ts
@@ -0,0 +1,39 @@
+// THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+
+import { z } from 'zod';
+
+import { UserLogPayload, userLogPayloadGuard, GeneratedSchema, Guard } from '../foundations';
+import { UserLogType, UserLogResult } from './custom-types';
+
+export type UserLogDBEntry = {
+  id: string;
+  userId: string;
+  type: UserLogType;
+  result: UserLogResult;
+  payload: UserLogPayload;
+  createdAt: number;
+};
+
+const guard: Guard<UserLogDBEntry> = z.object({
+  id: z.string(),
+  userId: z.string(),
+  type: z.nativeEnum(UserLogType),
+  result: z.nativeEnum(UserLogResult),
+  payload: userLogPayloadGuard,
+  createdAt: z.number(),
+});
+
+export const UserLogs: GeneratedSchema<UserLogDBEntry> = Object.freeze({
+  table: 'user_logs',
+  tableSingular: 'user_log',
+  fields: {
+    id: 'id',
+    userId: 'user_id',
+    type: 'type',
+    result: 'result',
+    payload: 'payload',
+    createdAt: 'created_at',
+  },
+  fieldKeys: ['id', 'userId', 'type', 'result', 'payload', 'createdAt'],
+  guard,
+});
diff --git a/packages/schemas/src/foundations/jsonb-types.ts b/packages/schemas/src/foundations/jsonb-types.ts
index 8a618d57a..beab5c7e3 100644
--- a/packages/schemas/src/foundations/jsonb-types.ts
+++ b/packages/schemas/src/foundations/jsonb-types.ts
@@ -21,3 +21,13 @@ export const oidcClientMetadataGuard = z.object({
 });
 
 export type OidcClientMetadata = z.infer<typeof oidcClientMetadataGuard>;
+
+export const userLogPayloadGuard = z.object({
+  ip: z.string().optional(),
+  userAgent: z.string().optional(),
+  applicationId: z.string().optional(),
+  applicationName: z.string().optional(),
+  details: z.object({}).optional(), // NOT intend to be parsed
+});
+
+export type UserLogPayload = z.infer<typeof userLogPayloadGuard>;
diff --git a/packages/schemas/src/gen/index.ts b/packages/schemas/src/gen/index.ts
index 837362c15..d0c8cd6a6 100644
--- a/packages/schemas/src/gen/index.ts
+++ b/packages/schemas/src/gen/index.ts
@@ -11,7 +11,13 @@ import pluralize from 'pluralize';
 
 import { generateSchema } from './schema';
 import { FileData, Table, Field, Type, GeneratedType, TableWithType } from './types';
-import { findFirstParentheses, getType, normalizeWhitespaces, removeParentheses } from './utils';
+import {
+  findFirstParentheses,
+  getType,
+  normalizeWhitespaces,
+  removeParentheses,
+  removeUnrecognizedComments,
+} from './utils';
 
 const directory = 'tables';
 
@@ -25,7 +31,8 @@ const generate = async () => {
       .map<Promise<[string, FileData]>>(async (file) => {
         const statements = (await fs.readFile(path.join(directory, file), { encoding: 'utf-8' }))
           .split(';')
-          .map((value) => normalizeWhitespaces(value));
+          .map((value) => normalizeWhitespaces(value))
+          .map((value) => removeUnrecognizedComments(value));
         const tables = statements
           .filter((value) => value.toLowerCase().startsWith('create table'))
           .map((value) => findFirstParentheses(value))
@@ -55,7 +62,6 @@ const generate = async () => {
                 const required = restLowercased.includes('not null');
                 const primitiveType = getType(type);
                 const tsType = /\/\* @use (.*) \*\//.exec(restJoined)?.[1];
-
                 assert(
                   !(!primitiveType && tsType),
                   `TS type can only be applied on primitive types, found ${
diff --git a/packages/schemas/src/gen/utils.ts b/packages/schemas/src/gen/utils.ts
index bd5d6f0b5..98ac90b83 100644
--- a/packages/schemas/src/gen/utils.ts
+++ b/packages/schemas/src/gen/utils.ts
@@ -2,6 +2,10 @@ import { Optional } from '@silverhand/essentials';
 
 export const normalizeWhitespaces = (string: string): string => string.replace(/\s+/g, ' ').trim();
 
+// Remove all comments not start with @
+export const removeUnrecognizedComments = (string: string): string =>
+  string.replace(/\/\*(?!\s@)[^*]+\*\//g, '');
+
 const getCountDelta = (value: string): number => {
   if (value === '(') {
     return 1;
diff --git a/packages/schemas/tables/user_logs.sql b/packages/schemas/tables/user_logs.sql
new file mode 100644
index 000000000..8708e1ade
--- /dev/null
+++ b/packages/schemas/tables/user_logs.sql
@@ -0,0 +1,13 @@
+create type user_log_type as enum ('SignInUsernameAndPassword', 'ExchangeAccessToken');
+
+create type user_log_result as enum ('Success', 'Failed');
+
+create table user_logs (
+  id varchar(24) not null,
+  user_id varchar(24) not null,
+  type user_log_type not null,
+  result user_log_result not null, /* not using boolean, may have more result types in the future */
+  payload jsonb /* @use UserLogPayload */ not null,
+  created_at timestamptz not null default(now()),
+  primary key (id)
+);