diff --git a/src/entity/communication.ts b/src/entity/communication.ts
index 527b685..02c060f 100644
--- a/src/entity/communication.ts
+++ b/src/entity/communication.ts
@@ -8,7 +8,7 @@ export class communication {
   id: number;
 
   @Column({ type: "boolean", default: false })
-  preffered: boolean;
+  preferred: boolean;
 
   @Column({ type: "varchar", length: 255 })
   mobile: string;
diff --git a/src/entity/member.ts b/src/entity/member.ts
index 855b54d..4ca41b4 100644
--- a/src/entity/member.ts
+++ b/src/entity/member.ts
@@ -11,7 +11,19 @@ export class member {
   @PrimaryColumn({ generated: "increment", type: "int" })
   id: number;
 
-  @Column({ type: "enum", enum: Salutation, default: Salutation.none })
+  @Column({
+    type: "varchar",
+    length: "255",
+    default: Salutation.none.toString(),
+    transformer: {
+      to(value: Salutation) {
+        return value.toString();
+      },
+      from(value: string) {
+        return Salutation[value as keyof typeof Salutation];
+      },
+    },
+  })
   salutation: Salutation;
 
   @Column({ type: "varchar", length: 255 })
diff --git a/src/env.defaults.ts b/src/env.defaults.ts
index 82f5b75..459baa6 100644
--- a/src/env.defaults.ts
+++ b/src/env.defaults.ts
@@ -22,7 +22,7 @@ export const MAIL_SECURE = process.env.MAIL_SECURE ?? "false";
 export const CLUB_NAME = process.env.CLUB_NAME ?? "";
 
 export function configCheck() {
-  if (DB_TYPE == "" ?? typeof DB_TYPE != "string") throw new Error("set valid value to DB_TYPE");
+  if (DB_TYPE != "mysql" && DB_TYPE != "sqlite") throw new Error("set valid value to DB_TYPE (mysql|sqlite)");
   if (DB_HOST == "" ?? typeof DB_HOST != "string") throw new Error("set valid value to DB_HOST");
   if (DB_NAME == "" ?? typeof DB_NAME != "string") throw new Error("set valid value to DB_NAME");
   if (DB_USERNAME == "" ?? typeof DB_USERNAME != "string") throw new Error("set valid value to DB_USERNAME");
diff --git a/src/migrations/1724317398939-initial.ts b/src/migrations/1724317398939-initial.ts
index 437d5b3..bbce107 100644
--- a/src/migrations/1724317398939-initial.ts
+++ b/src/migrations/1724317398939-initial.ts
@@ -1,14 +1,17 @@
 import { MigrationInterface, QueryRunner, Table, TableForeignKey } from "typeorm";
+import { DB_TYPE } from "../env.defaults";
 
 export class Initial1724317398939 implements MigrationInterface {
   name = "Initial1724317398939";
 
   public async up(queryRunner: QueryRunner): Promise<void> {
+    const variableType_int = DB_TYPE == "mysql" ? "int" : "integer";
+
     await queryRunner.createTable(
       new Table({
         name: "user",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "mail", type: "varchar", length: "255", isNullable: false },
           { name: "username", type: "varchar", length: "255", isNullable: false },
           { name: "secret", type: "varchar", length: "255", isNullable: false },
@@ -21,10 +24,10 @@ export class Initial1724317398939 implements MigrationInterface {
       new Table({
         name: "refresh",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "token", type: "varchar", length: "255", isNullable: false },
           { name: "expiry", type: "datetime", isNullable: false },
-          { name: "userId", type: "int", isNullable: false },
+          { name: "userId", type: variableType_int, isNullable: false },
         ],
       }),
       true
diff --git a/src/migrations/1724573307851-refreshPrimaryChange.ts b/src/migrations/1724573307851-refreshPrimaryChange.ts
index a55d194..8da65b3 100644
--- a/src/migrations/1724573307851-refreshPrimaryChange.ts
+++ b/src/migrations/1724573307851-refreshPrimaryChange.ts
@@ -1,4 +1,5 @@
 import { MigrationInterface, QueryRunner, TableColumn } from "typeorm";
+import { DB_TYPE } from "../env.defaults";
 
 export class RefreshPrimaryChange1724573307851 implements MigrationInterface {
   name = "RefreshPrimaryChange1724573307851";
@@ -9,12 +10,14 @@ export class RefreshPrimaryChange1724573307851 implements MigrationInterface {
   }
 
   public async down(queryRunner: QueryRunner): Promise<void> {
+    const variableType_int = DB_TYPE == "mysql" ? "int" : "integer";
+
     await queryRunner.dropPrimaryKey("refresh");
     await queryRunner.addColumn(
       "refresh",
       new TableColumn({
         name: "id",
-        type: "int",
+        type: variableType_int,
         isPrimary: true,
         isNullable: false,
         isGenerated: true,
diff --git a/src/migrations/1724661484664-permissions.ts b/src/migrations/1724661484664-permissions.ts
index 22cc1e8..f14fe3f 100644
--- a/src/migrations/1724661484664-permissions.ts
+++ b/src/migrations/1724661484664-permissions.ts
@@ -1,9 +1,12 @@
 import { MigrationInterface, QueryRunner, Table, TableForeignKey } from "typeorm";
+import { DB_TYPE } from "../env.defaults";
 
 export class Permissions1724661484664 implements MigrationInterface {
   name = "Permissions1724661484664";
 
   public async up(queryRunner: QueryRunner): Promise<void> {
+    const variableType_int = DB_TYPE == "mysql" ? "int" : "integer";
+
     await queryRunner.createTable(
       new Table({
         name: "permission",
@@ -15,7 +18,7 @@ export class Permissions1724661484664 implements MigrationInterface {
             isPrimary: true,
             isNullable: false,
           },
-          { name: "userId", type: "int", isPrimary: true, isNullable: false },
+          { name: "userId", type: variableType_int, isPrimary: true, isNullable: false },
         ],
       }),
       true
diff --git a/src/migrations/1724771491085-role_permission.ts b/src/migrations/1724771491085-role_permission.ts
index 4d3915f..dc8df18 100644
--- a/src/migrations/1724771491085-role_permission.ts
+++ b/src/migrations/1724771491085-role_permission.ts
@@ -1,14 +1,17 @@
 import { MigrationInterface, QueryRunner, Table, TableForeignKey, TableIndex } from "typeorm";
+import { DB_TYPE } from "../env.defaults";
 
 export class RolePermission1724771491085 implements MigrationInterface {
   name = "RolePermission1724771491085";
 
   public async up(queryRunner: QueryRunner): Promise<void> {
+    const variableType_int = DB_TYPE == "mysql" ? "int" : "integer";
+
     await queryRunner.createTable(
       new Table({
         name: "role",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "role", type: "varchar", length: "255", isNullable: false },
         ],
       }),
@@ -26,7 +29,7 @@ export class RolePermission1724771491085 implements MigrationInterface {
             isPrimary: true,
             isNullable: false,
           },
-          { name: "roleId", type: "int", isPrimary: true, isNullable: false },
+          { name: "roleId", type: variableType_int, isPrimary: true, isNullable: false },
         ],
       }),
       true
@@ -38,8 +41,8 @@ export class RolePermission1724771491085 implements MigrationInterface {
       new Table({
         name: "user_roles",
         columns: [
-          { name: "userId", type: "int", isPrimary: true, isNullable: false },
-          { name: "roleId", type: "int", isPrimary: true, isNullable: false },
+          { name: "userId", type: variableType_int, isPrimary: true, isNullable: false },
+          { name: "roleId", type: variableType_int, isPrimary: true, isNullable: false },
         ],
       }),
       true
diff --git a/src/migrations/1725435669492-member_base_data.ts b/src/migrations/1725435669492-member_base_data.ts
index 054d85a..ba4f870 100644
--- a/src/migrations/1725435669492-member_base_data.ts
+++ b/src/migrations/1725435669492-member_base_data.ts
@@ -1,14 +1,17 @@
 import { MigrationInterface, QueryRunner, Table, TableForeignKey } from "typeorm";
+import { DB_TYPE } from "../env.defaults";
 
 export class MemberBaseData1725435669492 implements MigrationInterface {
   name = "MemberBaseData1725435669492";
 
   public async up(queryRunner: QueryRunner): Promise<void> {
+    const variableType_int = DB_TYPE == "mysql" ? "int" : "integer";
+
     await queryRunner.createTable(
       new Table({
         name: "award",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "award", type: "varchar", length: "255", isNullable: false },
         ],
       }),
@@ -19,7 +22,7 @@ export class MemberBaseData1725435669492 implements MigrationInterface {
       new Table({
         name: "communication_type",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "type", type: "varchar", length: "255", isNullable: false },
           { name: "useColumns", type: "varchar", length: "255", isNullable: false, default: "''" },
         ],
@@ -31,15 +34,15 @@ export class MemberBaseData1725435669492 implements MigrationInterface {
       new Table({
         name: "communication",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
-          { name: "preffered", type: "tinyint", isNullable: false, default: 0 },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "preferred", type: "tinyint", isNullable: false, default: 0 },
           { name: "mobile", type: "varchar", length: "255", isNullable: false },
           { name: "email", type: "varchar", length: "255", isNullable: false },
           { name: "city", type: "varchar", length: "255", isNullable: false },
           { name: "street", type: "varchar", length: "255", isNullable: false },
-          { name: "streetNumber", type: "int", isNullable: false },
+          { name: "streetNumber", type: variableType_int, isNullable: false },
           { name: "streetNumberAddition", type: "varchar", length: "255", isNullable: false },
-          { name: "typeId", type: "int", isNullable: false },
+          { name: "typeId", type: variableType_int, isNullable: false },
         ],
       }),
       true
@@ -49,7 +52,7 @@ export class MemberBaseData1725435669492 implements MigrationInterface {
       new Table({
         name: "executive_position",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "position", type: "varchar", length: "255", isNullable: false },
         ],
       }),
@@ -60,7 +63,7 @@ export class MemberBaseData1725435669492 implements MigrationInterface {
       new Table({
         name: "membership_status",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "status", type: "varchar", length: "255", isNullable: false },
         ],
       }),
@@ -71,7 +74,7 @@ export class MemberBaseData1725435669492 implements MigrationInterface {
       new Table({
         name: "qualification",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "qualification", type: "varchar", length: "255", isNullable: false },
           { name: "description", type: "varchar", length: "255", isNullable: true },
         ],
diff --git a/src/migrations/1726301836849-memberdata.ts b/src/migrations/1726301836849-memberdata.ts
index c62696a..e49043c 100644
--- a/src/migrations/1726301836849-memberdata.ts
+++ b/src/migrations/1726301836849-memberdata.ts
@@ -1,20 +1,23 @@
 import { MigrationInterface, QueryRunner, Table, TableColumn, TableForeignKey } from "typeorm";
+import { DB_TYPE } from "../env.defaults";
 
 export class Memberdata1726301836849 implements MigrationInterface {
   name = "Memberdata1726301836849";
 
   public async up(queryRunner: QueryRunner): Promise<void> {
+    const variableType_int = DB_TYPE == "mysql" ? "int" : "integer";
+
     await queryRunner.createTable(
       new Table({
         name: "membership",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "internalId", type: "varchar", length: "255", isNullable: true },
           { name: "start", type: "date", isNullable: false },
           { name: "end", type: "date", isNullable: true },
           { name: "terminationReason", type: "varchar", length: "255", isNullable: true },
-          { name: "memberId", type: "int", isNullable: false },
-          { name: "statusId", type: "int", isNullable: false },
+          { name: "memberId", type: variableType_int, isNullable: false },
+          { name: "statusId", type: variableType_int, isNullable: false },
         ],
         uniques: [{ name: "IDX_703f499fe3a9892e3a8790cdfc", columnNames: ["internalId"] }],
       }),
@@ -25,13 +28,13 @@ export class Memberdata1726301836849 implements MigrationInterface {
       new Table({
         name: "member_qualifications",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "note", type: "varchar", length: "255", isNullable: true },
           { name: "start", type: "date", isNullable: false },
           { name: "end", type: "date", isNullable: true },
           { name: "terminationReason", type: "varchar", length: "255", isNullable: true },
-          { name: "memberId", type: "int", isNullable: false },
-          { name: "qualificationId", type: "int", isNullable: false },
+          { name: "memberId", type: variableType_int, isNullable: false },
+          { name: "qualificationId", type: variableType_int, isNullable: false },
         ],
       }),
       true
@@ -41,12 +44,12 @@ export class Memberdata1726301836849 implements MigrationInterface {
       new Table({
         name: "member_executive_positions",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "note", type: "varchar", length: "255", isNullable: true },
           { name: "start", type: "date", isNullable: false },
           { name: "end", type: "date", isNullable: true },
-          { name: "memberId", type: "int", isNullable: false },
-          { name: "executivePositionId", type: "int", isNullable: false },
+          { name: "memberId", type: variableType_int, isNullable: false },
+          { name: "executivePositionId", type: variableType_int, isNullable: false },
         ],
       }),
       true
@@ -56,19 +59,13 @@ export class Memberdata1726301836849 implements MigrationInterface {
       new Table({
         name: "member",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
-          {
-            name: "salutation",
-            type: "enum",
-            enum: ["sir", "madam", "other", "none"],
-            default: "'none'",
-            isNullable: false,
-          },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "salutation", type: "varchar", length: "255", default: "'none'", isNullable: false },
           { name: "firstname", type: "varchar", length: "255", isNullable: false },
           { name: "lastname", type: "varchar", length: "255", isNullable: false },
           { name: "nameaffix", type: "varchar", length: "255", isNullable: false },
           { name: "birthdate", type: "date", isNullable: false },
-          { name: "sendNewsletterId", type: "int", isNullable: true },
+          { name: "sendNewsletterId", type: variableType_int, isNullable: true },
         ],
         uniques: [{ name: "REL_d57e160c4513cd949159217281", columnNames: ["sendNewsletterId"] }],
       }),
@@ -79,18 +76,21 @@ export class Memberdata1726301836849 implements MigrationInterface {
       new Table({
         name: "member_awards",
         columns: [
-          { name: "id", type: "int", isPrimary: true, isGenerated: true, generationStrategy: "increment" },
+          { name: "id", type: variableType_int, isPrimary: true, isGenerated: true, generationStrategy: "increment" },
           { name: "given", type: "tinyint", default: 1, isNullable: false },
           { name: "note", type: "varchar", length: "255", isNullable: true },
           { name: "date", type: "date", isNullable: false },
-          { name: "memberId", type: "int", isNullable: false },
-          { name: "awardId", type: "int", isNullable: false },
+          { name: "memberId", type: variableType_int, isNullable: false },
+          { name: "awardId", type: variableType_int, isNullable: false },
         ],
       }),
       true
     );
 
-    await queryRunner.addColumn("communication", new TableColumn({ name: "memberId", type: "int", isNullable: false }));
+    await queryRunner.addColumn(
+      "communication",
+      new TableColumn({ name: "memberId", type: variableType_int, isNullable: false })
+    );
 
     await queryRunner.createForeignKey(
       "membership",