diff --git a/src/aimedb/db.ts b/src/aimedb/db.ts
index 9d48648..dcb5365 100644
--- a/src/aimedb/db.ts
+++ b/src/aimedb/db.ts
@@ -30,7 +30,7 @@ class CardRepositoryImpl implements CardRepository {
 
     await this._txn.modify(touchSql);
 
-    return extId;
+    return parseInt(extId, 10) as AimeId;
   }
 
   async register(luid: string, now: Date): Promise<AimeId> {
diff --git a/src/idz/db/backgrounds.ts b/src/idz/db/backgrounds.ts
index 23e22df..c48e77e 100644
--- a/src/idz/db/backgrounds.ts
+++ b/src/idz/db/backgrounds.ts
@@ -20,7 +20,7 @@ export class SqlBackgroundsRepository
     const result = new Set<BackgroundCode>();
 
     for (const row of rows) {
-      result.add(row.background_no);
+      result.add(parseInt(row.background_no) as BackgroundCode);
     }
 
     return result;
diff --git a/src/idz/db/car.ts b/src/idz/db/car.ts
index 017ebdb..fe8b856 100644
--- a/src/idz/db/car.ts
+++ b/src/idz/db/car.ts
@@ -3,25 +3,25 @@ import sql from "sql-bricks-postgres";
 import { Car, CarSelector } from "../model/car";
 import { Profile } from "../model/profile";
 import { CarRepository } from "../repo";
-import { Id, Transaction, generateId } from "../../sql";
+import { Id, Row, Transaction, generateId } from "../../sql";
 
-function _extractRow(row: any): Car {
+function _extractRow(row: Row): Car {
   return {
-    selector: row.selector,
-    field_00: row.field_00,
-    field_02: row.field_02,
-    field_04: row.field_04.split(",").map((x: string) => parseInt(x, 10)),
-    field_46: row.field_46,
-    field_48: row.field_48,
-    field_4a: row.field_4a,
-    field_4c: row.field_4c,
-    field_50_lo: row.field_50_lo,
-    field_50_hi: row.field_50_hi,
-    field_58: row.field_58,
-    field_5a: row.field_5a,
-    field_5b: row.field_5b,
-    field_5c: row.field_5c,
-    field_5e: row.field_5e,
+    selector: parseInt(row.selector) as CarSelector,
+    field_00: parseInt(row.field_00),
+    field_02: parseInt(row.field_02),
+    field_04: row.field_04.split(",").map((x: string) => parseInt(x)),
+    field_46: parseInt(row.field_46),
+    field_48: parseInt(row.field_48),
+    field_4a: parseInt(row.field_4a),
+    field_4c: parseInt(row.field_4c),
+    field_50_lo: parseInt(row.field_50_lo),
+    field_50_hi: parseInt(row.field_50_hi),
+    field_58: parseInt(row.field_58),
+    field_5a: parseInt(row.field_5a),
+    field_5b: parseInt(row.field_5b),
+    field_5c: parseInt(row.field_5c),
+    field_5e: parseInt(row.field_5e),
   };
 }
 
@@ -36,7 +36,7 @@ export class SqlCarRepository implements CarRepository {
 
     const row = await this._txn.fetchRow(countSql);
 
-    return parseInt(row!.result, 10);
+    return parseInt(row!.result);
   }
 
   async loadAllCars(profileId: Id<Profile>): Promise<Car[]> {
@@ -59,6 +59,10 @@ export class SqlCarRepository implements CarRepository {
 
     const row = await this._txn.fetchRow(loadSql);
 
+    if (row === undefined) {
+      throw new Error(`Car selection not found, profileId=${profileId}`);
+    }
+
     return _extractRow(row);
   }
 
diff --git a/src/idz/db/chara.ts b/src/idz/db/chara.ts
index 341dc7f..a3ec589 100644
--- a/src/idz/db/chara.ts
+++ b/src/idz/db/chara.ts
@@ -1,22 +1,23 @@
 import sql from "sql-bricks-postgres";
 
-import { Chara } from "../model/chara";
+import { BackgroundCode, TitleCode } from "../model/base";
+import { Chara, Gender } from "../model/chara";
 import { Profile } from "../model/profile";
 import { FacetRepository } from "../repo";
-import { Id, Transaction } from "../../sql";
+import { Id, Row, Transaction } from "../../sql";
 
-export function _extractChara(row: any): Chara {
+export function _extractChara(row: Row): Chara {
   return {
-    gender: row.gender,
-    field_02: row.field_02,
-    field_04: row.field_04,
-    field_06: row.field_06,
-    field_08: row.field_08,
-    field_0a: row.field_0a,
-    field_0c: row.field_0c,
-    field_0e: row.field_0e,
-    title: row.title,
-    background: row.background,
+    gender: row.gender as Gender,
+    field_02: parseInt(row.field_02),
+    field_04: parseInt(row.field_04),
+    field_06: parseInt(row.field_06),
+    field_08: parseInt(row.field_08),
+    field_0a: parseInt(row.field_0a),
+    field_0c: parseInt(row.field_0c),
+    field_0e: parseInt(row.field_0e),
+    title: parseInt(row.title) as TitleCode,
+    background: parseInt(row.background) as BackgroundCode,
   };
 }
 
@@ -31,6 +32,10 @@ export class SqlCharaRepository implements FacetRepository<Chara> {
 
     const row = await this._txn.fetchRow(loadSql);
 
+    if (row === undefined) {
+      throw new Error(`Chara not found: profileId=${profileId}`);
+    }
+
     return _extractChara(row);
   }
 
diff --git a/src/idz/db/coursePlays.ts b/src/idz/db/coursePlays.ts
index f4ce414..c630d98 100644
--- a/src/idz/db/coursePlays.ts
+++ b/src/idz/db/coursePlays.ts
@@ -15,10 +15,13 @@ export class SqlCoursePlaysRepository implements CoursePlaysRepository {
       .where("cp.profile_id", profileId);
 
     const rows = await this._txn.fetchRows(loadSql);
-    const result = new Map();
+    const result = new Map<CourseNo, number>();
 
     for (const row of rows) {
-      result.set(row.course_no, row.count);
+      const courseNo = parseInt(row.course_no) as CourseNo;
+      const count = parseInt(row.count);
+
+      result.set(courseNo, count);
     }
 
     return result;
diff --git a/src/idz/db/missions.ts b/src/idz/db/missions.ts
index 44ccb08..e082c41 100644
--- a/src/idz/db/missions.ts
+++ b/src/idz/db/missions.ts
@@ -35,7 +35,11 @@ export class SqlMissionsRepository implements FacetRepository<MissionState> {
     const rows = await this._txn.fetchRows(loadSoloSql);
 
     for (const row of rows) {
-      result.solo[row.grid_no].cells[row.cell_no] = row.value;
+      const gridNo = parseInt(row.grid_no);
+      const cellNo = parseInt(row.cell_no);
+      const value = parseInt(row.value);
+
+      result.solo[gridNo].cells[cellNo] = value;
     }
 
     return result;
diff --git a/src/idz/db/profile.ts b/src/idz/db/profile.ts
index cb6bd6a..0848638 100644
--- a/src/idz/db/profile.ts
+++ b/src/idz/db/profile.ts
@@ -3,19 +3,19 @@ import sql from "sql-bricks-postgres";
 import { Profile } from "../model/profile";
 import { ProfileRepository } from "../repo";
 import { AimeId } from "../../model";
-import { Id, Transaction, generateId } from "../../sql";
+import { Id, Row, Transaction, generateId } from "../../sql";
 
-export function _extractProfile(row: any): Profile {
+export function _extractProfile(row: Row): Profile {
   return {
-    aimeId: row.aime_id,
+    aimeId: parseInt(row.aime_id) as AimeId,
     name: row.name,
-    lv: row.lv,
-    exp: row.exp,
-    fame: row.fame,
-    dpoint: row.dpoint,
-    mileage: row.mileage,
-    accessTime: row.access_time,
-    registerTime: row.register_time,
+    lv: parseInt(row.lv),
+    exp: parseInt(row.exp),
+    fame: parseInt(row.fame),
+    dpoint: parseInt(row.dpoint),
+    mileage: parseInt(row.mileage),
+    accessTime: new Date(row.access_time),
+    registerTime: new Date(row.register_time),
   };
 }
 
@@ -45,7 +45,7 @@ export class SqlProfileRepository implements ProfileRepository {
       return undefined;
     }
 
-    return row.id;
+    return BigInt(row.id) as Id<Profile>;
   }
 
   async load(id: Id<Profile>): Promise<Profile> {
@@ -57,6 +57,10 @@ export class SqlProfileRepository implements ProfileRepository {
 
     const row = await this._txn.fetchRow(loadSql);
 
+    if (row === undefined) {
+      throw new Error(`Profile not found, id=${id}`);
+    }
+
     return _extractProfile(row);
   }
 
@@ -68,7 +72,7 @@ export class SqlProfileRepository implements ProfileRepository {
         fame: profile.fame,
         dpoint: profile.dpoint,
         mileage: profile.mileage,
-        access_time: profile.accessTime,
+        access_time: profile.accessTime.toISOString(),
       })
       .where("id", id);
 
@@ -99,8 +103,8 @@ export class SqlProfileRepository implements ProfileRepository {
       fame: profile.fame,
       dpoint: profile.dpoint,
       mileage: profile.mileage,
-      register_time: profile.registerTime,
-      access_time: profile.accessTime,
+      register_time: profile.registerTime.toISOString(),
+      access_time: profile.accessTime.toISOString(),
     });
 
     await this._txn.modify(createSql);
diff --git a/src/idz/db/settings.ts b/src/idz/db/settings.ts
index 5d95217..7ef210e 100644
--- a/src/idz/db/settings.ts
+++ b/src/idz/db/settings.ts
@@ -21,10 +21,10 @@ export class SqlSettingsRepository implements FacetRepository<Settings> {
     }
 
     return {
-      music: row.music,
-      pack: parseInt(row.pack, 10),
-      paperCup: row.paper_cup,
-      gauges: row.gauges,
+      music: parseInt(row.music),
+      pack: parseInt(row.pack),
+      paperCup: parseInt(row.paper_cup),
+      gauges: parseInt(row.gauges),
     };
   }
 
diff --git a/src/idz/db/story.ts b/src/idz/db/story.ts
index b8e62db..b585ac9 100644
--- a/src/idz/db/story.ts
+++ b/src/idz/db/story.ts
@@ -19,8 +19,8 @@ export class SqlStoryRepository implements FacetRepository<Story> {
     // Must succeed even if nonexistent (required by save method below)
 
     const result = {
-      x: header !== undefined ? header.x : 0,
-      y: header !== undefined ? header.y : 0,
+      x: header !== undefined ? parseInt(header.x) : 0,
+      y: header !== undefined ? parseInt(header.y) : 0,
       rows: new Array<StoryRow>(),
     };
 
@@ -42,10 +42,12 @@ export class SqlStoryRepository implements FacetRepository<Story> {
     const rows = await this._txn.fetchRows(loadCellSql);
 
     for (const row of rows) {
-      const cell = result.rows[row.row_no].cells[row.col_no];
+      const rowNo = parseInt(row.row_no);
+      const colNo = parseInt(row.col_no);
+      const cell = result.rows[rowNo].cells[colNo];
 
-      cell.a = row.a;
-      cell.b = row.b;
+      cell.a = parseInt(row.a);
+      cell.b = parseInt(row.b);
     }
 
     return result;
diff --git a/src/idz/db/team.ts b/src/idz/db/team.ts
index 0fc5502..c579d71 100644
--- a/src/idz/db/team.ts
+++ b/src/idz/db/team.ts
@@ -21,7 +21,7 @@ export class SqlTeamRepository implements TeamRepository {
       throw new Error(`Team not found for ExtID ${extId}`);
     }
 
-    return row.id;
+    return BigInt(row.id) as Id<Team>;
   }
 
   async load(id: Id<Team>): Promise<Team> {
@@ -37,10 +37,10 @@ export class SqlTeamRepository implements TeamRepository {
     }
 
     return {
-      extId: row.ext_id,
+      extId: parseInt(row.ext_id) as ExtId<Team>,
       name: row.name,
-      nameBg: row.name_bg,
-      nameFx: row.name_fx,
+      nameBg: parseInt(row.name_bg),
+      nameFx: parseInt(row.name_fx),
       registerTime: new Date(row.register_time),
     };
   }
diff --git a/src/idz/db/teamAuto.ts b/src/idz/db/teamAuto.ts
index 943d6a3..3945da4 100644
--- a/src/idz/db/teamAuto.ts
+++ b/src/idz/db/teamAuto.ts
@@ -19,10 +19,10 @@ export class SqlTeamAutoRepository implements TeamAutoRepository {
     return (
       row && [
         {
-          serialNo: row.serial_no,
-          nameIdx: row.name_idx,
+          serialNo: parseInt(row.serial_no),
+          nameIdx: parseInt(row.name_idx),
         },
-        row.id,
+        BigInt(row.id) as Id<Team>,
       ]
     );
   }
diff --git a/src/idz/db/teamMember.ts b/src/idz/db/teamMember.ts
index 532c29a..4bc8f92 100644
--- a/src/idz/db/teamMember.ts
+++ b/src/idz/db/teamMember.ts
@@ -22,7 +22,7 @@ export class SqlTeamMemberRepository implements TeamMemberRepository {
       return undefined;
     }
 
-    return row.team_id;
+    return BigInt(row.team_id) as Id<Team>;
   }
 
   async findLeader(teamId: Id<Team>): Promise<Id<Profile> | undefined> {
@@ -38,7 +38,7 @@ export class SqlTeamMemberRepository implements TeamMemberRepository {
       return undefined;
     }
 
-    return row.id;
+    return BigInt(row.id) as Id<Profile>;
   }
 
   async loadRoster(teamId: Id<Team>): Promise<TeamMember[]> {
@@ -52,10 +52,10 @@ export class SqlTeamMemberRepository implements TeamMemberRepository {
 
     const rows = await this._txn.fetchRows(loadSql);
 
-    return rows.map((row: any) => ({
+    return rows.map(row => ({
       profile: _extractProfile(row),
       chara: _extractChara(row),
-      leader: row.leader,
+      leader: !!row.leader,
       joinTime: new Date(row.join_time),
     }));
   }
@@ -91,7 +91,7 @@ export class SqlTeamMemberRepository implements TeamMemberRepository {
 
     const row = await this._txn.fetchRow(countSql);
 
-    if (row!.count >= 6) {
+    if (parseInt(row!.count) >= 6) {
       throw new Error(`Team ${teamId} is full`);
     }
 
diff --git a/src/idz/db/teamReservation.ts b/src/idz/db/teamReservation.ts
index 8e96406..0e414b3 100644
--- a/src/idz/db/teamReservation.ts
+++ b/src/idz/db/teamReservation.ts
@@ -22,16 +22,13 @@ export class SqlTeamReservationRepository
   async occupancyHack(teamId: Id<Team>): Promise<number> {
     await this._lockTeam(teamId);
 
-    // counts get returned as strings, so 1 + 0 = 10.
-    // it hardly needs to be said but fuck javascript.
-
     const memberSql = sql
       .select("count(*) as count")
       .from("idz_team_member tm")
       .where("tm.team_id", teamId);
 
     const memberRes = await this._txn.fetchRow(memberSql);
-    const memberCount = parseInt(memberRes!.count, 10);
+    const memberCount = parseInt(memberRes!.count);
 
     const reservSql = sql
       .select("count(*) as count")
@@ -39,7 +36,7 @@ export class SqlTeamReservationRepository
       .where("tr.team_id", teamId);
 
     const reservRes = await this._txn.fetchRow(reservSql);
-    const reservCount = parseInt(reservRes!.count, 10);
+    const reservCount = parseInt(reservRes!.count);
 
     return memberCount + reservCount;
   }
diff --git a/src/idz/db/timeAttack.ts b/src/idz/db/timeAttack.ts
index c88b1c9..b9e9f17 100644
--- a/src/idz/db/timeAttack.ts
+++ b/src/idz/db/timeAttack.ts
@@ -1,10 +1,23 @@
 import sql from "sql-bricks-postgres";
 
 import { RouteNo } from "../model/base";
+import { CarSelector } from "../model/car";
 import { Profile } from "../model/profile";
 import { TimeAttackScore } from "../model/timeAttack";
 import { TimeAttackRepository, TopTenResult } from "../repo";
-import { Id, Transaction, generateId } from "../../sql";
+import { Id, Row, Transaction, generateId } from "../../sql";
+
+function _extractRow(row: Row): TimeAttackScore {
+  return {
+    routeNo: parseInt(row.route_no) as RouteNo,
+    timestamp: new Date(row.timestamp),
+    flags: parseInt(row.flags),
+    totalTime: parseFloat(row.total_time),
+    sectionTimes: row.section_times.split(",").map(parseFloat),
+    grade: parseInt(row.grade),
+    carSelector: parseInt(row.car_selector) as CarSelector,
+  };
+}
 
 export class SqlTimeAttackRepository implements TimeAttackRepository {
   constructor(private readonly _txn: Transaction) {}
@@ -26,15 +39,7 @@ export class SqlTimeAttackRepository implements TimeAttackRepository {
 
     return rows.map(row => ({
       driverName: row.name,
-      ta: {
-        routeNo: row.route_no,
-        timestamp: new Date(row.timestamp),
-        flags: row.flags,
-        totalTime: row.total_time,
-        sectionTimes: row.section_times.split(","),
-        grade: row.grade,
-        carSelector: row.car_selector,
-      },
+      ta: _extractRow(row),
     }));
   }
 
@@ -46,15 +51,7 @@ export class SqlTimeAttackRepository implements TimeAttackRepository {
 
     const rows = await this._txn.fetchRows(loadSql);
 
-    return rows.map(row => ({
-      routeNo: row.route_no,
-      timestamp: new Date(row.timestamp),
-      flags: row.flags,
-      totalTime: row.total_time,
-      sectionTimes: row.section_times.split(",").map(parseFloat),
-      grade: row.grade,
-      carSelector: row.car_selector,
-    }));
+    return rows.map(_extractRow);
   }
 
   async save(profileId: Id<Profile>, score: TimeAttackScore): Promise<void> {
@@ -94,20 +91,22 @@ export class SqlTimeAttackRepository implements TimeAttackRepository {
       });
 
       await this._txn.modify(insertSql);
-    } else if (score.totalTime < row.total_time) {
-      const updateSql = sql
-        .update("idz_ta_best", {
-          total_time: score.totalTime,
-          section_times: score.sectionTimes.join(","),
-          flags: score.flags,
-          grade: score.grade,
-          car_selector: score.carSelector,
-          timestamp: score.timestamp,
-        })
-        .where("profile_id", profileId)
-        .where("route_no", score.routeNo);
+    } else {
+      if (score.totalTime < parseFloat(row.total_time)) {
+        const updateSql = sql
+          .update("idz_ta_best", {
+            total_time: score.totalTime,
+            section_times: score.sectionTimes.join(","),
+            flags: score.flags,
+            grade: score.grade,
+            car_selector: score.carSelector,
+            timestamp: score.timestamp,
+          })
+          .where("profile_id", profileId)
+          .where("route_no", score.routeNo);
 
-      await this._txn.modify(updateSql);
+        await this._txn.modify(updateSql);
+      }
     }
   }
 }
diff --git a/src/idz/db/titles.ts b/src/idz/db/titles.ts
index 81e478c..5bc9550 100644
--- a/src/idz/db/titles.ts
+++ b/src/idz/db/titles.ts
@@ -18,7 +18,7 @@ export class SqlTitlesRepository implements FlagRepository<TitleCode> {
     const result = new Set<TitleCode>();
 
     for (const row of rows) {
-      result.add(row.title_no);
+      result.add(parseInt(row.title_no) as TitleCode);
     }
 
     return result;
diff --git a/src/idz/db/unlocks.ts b/src/idz/db/unlocks.ts
index 363911b..d3e30f2 100644
--- a/src/idz/db/unlocks.ts
+++ b/src/idz/db/unlocks.ts
@@ -21,10 +21,10 @@ export class SqlUnlocksRepository implements FacetRepository<Unlocks> {
     }
 
     return {
-      cup: row.cup,
-      gauges: row.gauges,
-      music: row.music,
-      lastMileageReward: row.last_mileage_reward,
+      cup: parseInt(row.cup),
+      gauges: parseInt(row.gauges),
+      music: parseInt(row.music),
+      lastMileageReward: parseInt(row.last_mileage_reward),
     };
   }
 
diff --git a/src/idz/model/chara.ts b/src/idz/model/chara.ts
index 7a96cba..e2e9c9e 100644
--- a/src/idz/model/chara.ts
+++ b/src/idz/model/chara.ts
@@ -1,7 +1,9 @@
 import { BackgroundCode, TitleCode } from "./base";
 
+export type Gender = "male" | "female";
+
 export interface Chara {
-  gender: "male" | "female";
+  gender: Gender;
   field_02: number;
   field_04: number;
   field_06: number;
diff --git a/src/sql/api.ts b/src/sql/api.ts
index 2dc8d4a..7c08c79 100644
--- a/src/sql/api.ts
+++ b/src/sql/api.ts
@@ -3,7 +3,7 @@ import * as sql from "sql-bricks-postgres";
 export type Id<T> = bigint & { __id: T };
 
 export interface Row {
-  [key: string]: any;
+  [key: string]: string;
 }
 
 export interface Transaction {