diff --git a/types/database/hash.d.ts b/types/database/hash.d.ts
new file mode 100644
index 0000000000..3bc7a93834
--- /dev/null
+++ b/types/database/hash.d.ts
@@ -0,0 +1,56 @@
+export interface Hash {
+  decrObjectField(
+    key: string | string[],
+    field: string,
+  ): Promise<number | number[]>
+
+  deleteObjectField(key: string, field: string): Promise<void>
+
+  deleteObjectFields(key: string, fields: string[]): Promise<void>
+
+  getObject(key: string, fields: string[]): Promise<object>
+
+  getObjectField(key: string, field: string): Promise<any>
+
+  getObjectFields(key: string, fields: string[]): Promise<Record<string, any>>
+
+  getObjectKeys(key: string): Promise<string[]>
+
+  getObjectValues(key: string): Promise<any[]>
+
+  getObjects(keys: string[], fields: string[]): Promise<any[]>
+
+  getObjectsFields(
+    keys: string[],
+    fields: string[],
+  ): Promise<Record<string, any>[]>
+
+  incrObjectField(
+    key: string | string[],
+    field: string,
+  ): Promise<number | number[]>
+
+  incrObjectFieldBy(
+    key: string | string[],
+    field: string,
+    value: number,
+  ): Promise<number | number[]>
+
+  incrObjectFieldByBulk(
+    data: [key: string, batch: Record<string, number>][],
+  ): Promise<void>
+
+  isObjectField(key: string, field: string): Promise<boolean>
+
+  isObjectFields(key: string, fields: string[]): Promise<boolean[]>
+
+  setObject(key: string | string[], data: Record<string, any>): Promise<void>
+
+  setObjectBulk(args: [key: string, data: Record<string, any>][]): Promise<void>
+
+  setObjectField(
+    key: string | string[],
+    field: string,
+    value: any,
+  ): Promise<void>
+}
diff --git a/types/database/index.d.ts b/types/database/index.d.ts
new file mode 100644
index 0000000000..8ec2e7d865
--- /dev/null
+++ b/types/database/index.d.ts
@@ -0,0 +1,54 @@
+import { Store } from 'express-session'
+
+export { Hash } from './hash'
+export { List } from './list'
+export { Set } from './set'
+export { Item } from './string'
+export {
+  SortedSet,
+  SortedSetTheoryOperation,
+  SortedSetScanBaseParameters,
+} from './zset'
+
+export interface Database {
+  checkCompatibility(callback: () => void): Promise<void>
+
+  checkCompatibilityVersion(
+    version: string,
+    callback: () => void,
+  ): Promise<void>
+
+  close(): Promise<void>
+
+  createIndices(callback: () => void): Promise<void>
+
+  createSessionStore(options: any): Promise<Store>
+
+  emptydb(): Promise<void>
+
+  flushdb(): Promise<void>
+
+  info(db: any): Promise<any>
+
+  init(): Promise<void>
+}
+
+export type RedisStyleMatchString =
+  | string
+  | `*${string}`
+  | `${string}*`
+  | `*${string}*`
+export type RedisStyleRangeString = `${'(' | '['}${string}` | `${string}`
+
+export enum ObjectType {
+  HASH = 'hash',
+  LIST = 'list',
+  SET = 'set',
+  STRING = 'string',
+  SORTED_SET = 'zset',
+}
+
+export type ValueAndScore = { value: string; score: number }
+export type RedisStyleAggregate = 'SUM' | 'MIN' | 'MAX'
+export type NumberTowardsMinima = number | '-inf'
+export type NumberTowardsMaxima = number | '+inf'
diff --git a/types/database/list.d.ts b/types/database/list.d.ts
new file mode 100644
index 0000000000..aa43cfa738
--- /dev/null
+++ b/types/database/list.d.ts
@@ -0,0 +1,15 @@
+export interface List {
+  listPrepend(key: string, value: string): Promise<void>
+
+  listAppend(key: string, value: string): Promise<void>
+
+  listRemoveLast(key: string): Promise<string | null>
+
+  listRemoveAll(key: string, value: string | string[]): Promise<void>
+
+  listTrim(key: string, start: number, stop: number): Promise<void>
+
+  getListRange(key: string, start: number, stop: number): Promise<string[]>
+
+  listLength(key: string): Promise<number>
+}
diff --git a/types/database/set.d.ts b/types/database/set.d.ts
new file mode 100644
index 0000000000..5dcfcc5ab2
--- /dev/null
+++ b/types/database/set.d.ts
@@ -0,0 +1,25 @@
+export interface Set {
+  getSetMembers(key: string): Promise<string[]>
+
+  getSetsMembers(keys: string[]): Promise<string[][]>
+
+  isMemberOfSets(sets: string[], value: string): Promise<boolean[]>
+
+  isSetMember(key: string, value: string): Promise<boolean>
+
+  isSetMembers(key: string, values: string[]): Promise<boolean[]>
+
+  setAdd(key: string, value: string | string[]): Promise<void>
+
+  setCount(key: string): Promise<number>
+
+  setRemove(key: string | string[], value: string | string[]): Promise<void>
+
+  setRemoveRandom(key: string): Promise<string>
+
+  setsAdd(keys: string[], value: string | string[]): Promise<void>
+
+  setsCount(keys: string[]): Promise<number[]>
+
+  setsRemove(keys: string[], value: string): Promise<void>
+}
diff --git a/types/database/string.d.ts b/types/database/string.d.ts
new file mode 100644
index 0000000000..090a5cf252
--- /dev/null
+++ b/types/database/string.d.ts
@@ -0,0 +1,35 @@
+import { ObjectType, RedisStyleMatchString } from './index'
+
+export interface Item {
+  delete(key: string): Promise<void>
+
+  deleteAll(keys: string[]): Promise<void>
+
+  exists(key: string): Promise<boolean>
+
+  exists(key: string[]): Promise<boolean[]>
+
+  expire(key: string, seconds: number): Promise<void>
+
+  expireAt(key: string, timestampInSeconds: number): Promise<void>
+
+  get(key: string): Promise<string | null>
+
+  increment(key: string): Promise<number>
+
+  pexpire(key: string, ms: number): Promise<void>
+
+  pexpireAt(key: string, timestampInMs: number): Promise<void>
+
+  pttl(key: string): Promise<number>
+
+  rename(oldkey: string, newkey: string): Promise<void>
+
+  scan(params: { match: RedisStyleMatchString }): Promise<string[]>
+
+  set(key: string, value: string): Promise<void>
+
+  ttl(key: string): Promise<number>
+
+  type(key: string): Promise<ObjectType | null>
+}
diff --git a/types/database/zset.d.ts b/types/database/zset.d.ts
new file mode 100644
index 0000000000..b3b5e71bff
--- /dev/null
+++ b/types/database/zset.d.ts
@@ -0,0 +1,245 @@
+import {
+  NumberTowardsMaxima,
+  NumberTowardsMinima,
+  RedisStyleAggregate,
+  RedisStyleMatchString,
+  RedisStyleRangeString,
+  ValueAndScore,
+} from './index'
+
+export type SortedSetTheoryOperation = {
+  sets: string[]
+  sort?: 'ASC' | 'DESC'
+  start?: number
+  stop?: number
+  weights?: number[]
+  aggregate?: RedisStyleAggregate
+}
+
+export type SortedSetScanBaseParameters = {
+  key: string
+  match: RedisStyleMatchString
+  limit?: number
+}
+
+export interface SortedSet {
+  getSortedSetIntersect(
+    params: SortedSetTheoryOperation & { withScores: true },
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetIntersect(
+    params: SortedSetTheoryOperation & { withScores?: false },
+  ): Promise<string[]>
+
+  getSortedSetMembers(key: string): Promise<string[]>
+  
+  getSortedSetMembersWithScores(key: string): Promise<ValueAndScore[]>
+
+  getSortedSetRange(
+    key: string | string[],
+    start: number,
+    stop: number,
+  ): Promise<string[]>
+
+  getSortedSetRangeByLex(
+    key: string | string[],
+    min: RedisStyleRangeString | '-',
+    max: RedisStyleRangeString | '+',
+    start?: number,
+    count?: number,
+  ): Promise<string[]>
+
+  getSortedSetRangeByScore(
+    key: string | string[],
+    start: number,
+    count: number,
+    min: NumberTowardsMinima,
+    max: NumberTowardsMaxima,
+  ): Promise<string[]>
+
+  getSortedSetRangeByScoreWithScores(
+    key: string | string[],
+    start: number,
+    count: number,
+    min: NumberTowardsMinima,
+    max: NumberTowardsMaxima,
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetRangeWithScores(
+    key: string | string[],
+    start: number,
+    stop: number,
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetRevIntersect(
+    params: SortedSetTheoryOperation & { withScores: true },
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetRevIntersect(
+    params: SortedSetTheoryOperation & { withScores?: false },
+  ): Promise<string[]>
+
+  getSortedSetRevRange(
+    key: string | string[],
+    start: number,
+    stop: number,
+  ): Promise<string[]>
+
+  getSortedSetRevRangeByLex(
+    key: string,
+    max: RedisStyleRangeString | '+',
+    min: RedisStyleRangeString | '-',
+    start?: number,
+    count?: number,
+  ): Promise<string[]>
+
+  getSortedSetRevRangeByScore(
+    key: string,
+    start: number,
+    count: number,
+    max: NumberTowardsMaxima | '+',
+    min: NumberTowardsMinima | '-',
+  ): Promise<string[]>
+
+  getSortedSetRevRangeByScoreWithScores(
+    key: string,
+    start: number,
+    count: number,
+    max: NumberTowardsMaxima,
+    min: NumberTowardsMinima,
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetRevRangeWithScores(
+    key: string,
+    start: number,
+    stop: number,
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetRevUnion(
+    params: SortedSetTheoryOperation & { withScores?: false },
+  ): Promise<string[]>
+
+  getSortedSetRevUnion(
+    params: SortedSetTheoryOperation & { withScores: true },
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetScan(
+    params: SortedSetScanBaseParameters & { withScores: true },
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetScan(
+    params: SortedSetScanBaseParameters & { withScores?: false },
+  ): Promise<string[]>
+
+  getSortedSetUnion(
+    params: SortedSetTheoryOperation & { withScores: true },
+  ): Promise<ValueAndScore[]>
+
+  getSortedSetUnion(
+    params: SortedSetTheoryOperation & { withScores?: false },
+  ): Promise<string[]>
+
+  getSortedSetsMembers(keys: string[]): Promise<string[][]>
+
+  getSortedSetsMembersWithScores(keys: string[]): Promise<ValueAndScore[][]>
+
+  isMemberOfSortedSets(keys: string[], value: string): Promise<boolean[]>
+
+  isSortedSetMember(key: string, value: string): Promise<boolean>
+
+  isSortedSetMembers(key: string, values: string[]): Promise<boolean[]>
+
+  processSortedSet(
+    setKey: string,
+    processFn: (ids: number[]) => Promise<void> | void,
+    options: { withScores?: boolean; batch?: number; interval?: number, reverse?: boolean; },
+  ): Promise<any>
+
+  sortedSetAdd(key: string, score: number, value: string): Promise<void>
+
+  sortedSetAdd(key: string, score: number[], value: string[]): Promise<void>
+
+  sortedSetAddBulk(
+    args: [key: string, score: number[], value: string[]][],
+  ): Promise<void>
+
+  sortedSetCard(key: string): Promise<number>
+
+  sortedSetCount(
+    key: string,
+    min: NumberTowardsMinima,
+    max: NumberTowardsMaxima,
+  ): Promise<number>
+
+  sortedSetIncrBy(
+    key: string,
+    increment: number,
+    value: string,
+  ): Promise<number>
+
+  sortedSetIncrByBulk(
+    data: [key: string, increment: number, value: string][],
+  ): Promise<number[]>
+
+  sortedSetIntersectCard(keys: string[]): Promise<number>
+
+  sortedSetLexCount(
+    key: string,
+    min: RedisStyleRangeString,
+    max: RedisStyleRangeString,
+  ): Promise<number>
+
+  sortedSetRank(key: string, value: string): Promise<number | null>
+
+  sortedSetRanks(key: string, values: string[]): Promise<(number | null)[]>
+
+  sortedSetRemove(
+    key: string | string[],
+    value: string | string[],
+  ): Promise<void>
+
+  sortedSetRemoveBulk(data: [key: string, member: string][]): Promise<void>
+
+  sortedSetRemoveRangeByLex(
+    key: string,
+    min: RedisStyleRangeString | '-',
+    max: RedisStyleRangeString | '+',
+  ): Promise<void>
+
+  sortedSetRevRank(key: string, value: string): Promise<number>
+
+  sortedSetRevRanks(key: string, values: string[]): Promise<number[]>
+
+  sortedSetScore(key: string, value: string): Promise<number | null>
+
+  sortedSetScores(key: string, values: string[]): Promise<number[]>
+
+  sortedSetUnionCard(keys: string[]): Promise<number>
+
+  sortedSetsAdd(
+    keys: string[],
+    scores: number | number[],
+    value: string,
+  ): Promise<void>
+
+  sortedSetsCard(keys: string[]): Promise<number[]>
+
+  sortedSetsCardSum(keys: string[]): Promise<number>
+
+  sortedSetsRanks<T extends readonly [] | readonly string[]>(
+    keys: T,
+    values: { [K in keyof T]: string },
+  ): Promise<number[]>
+
+  sortedSetsRemove(keys: string[], value: string): Promise<void>
+
+  sortedSetsRemoveRangeByScore(
+    keys: string[],
+    min: NumberTowardsMinima,
+    max: NumberTowardsMaxima,
+  ): Promise<void>
+
+  sortedSetsRevRanks(keys: string[], values: string[]): Promise<number[]>
+
+  sortedSetsScore(keys: string[], value: string): Promise<number[]>
+}