diff --git a/backend/src/lib/error-codes/database.ts b/backend/src/lib/error-codes/database.ts
new file mode 100644
index 000000000..1a8dd41ae
--- /dev/null
+++ b/backend/src/lib/error-codes/database.ts
@@ -0,0 +1,4 @@
+export enum DatabaseErrorCode {
+  ForeignKeyViolation = "23503",
+  UniqueViolation = "23505"
+}
diff --git a/backend/src/lib/error-codes/index.ts b/backend/src/lib/error-codes/index.ts
new file mode 100644
index 000000000..c30cd664d
--- /dev/null
+++ b/backend/src/lib/error-codes/index.ts
@@ -0,0 +1 @@
+export * from "./database";
diff --git a/backend/src/services/app-connection/app-connection-service.ts b/backend/src/services/app-connection/app-connection-service.ts
index 04cf20e4a..8beaec21d 100644
--- a/backend/src/services/app-connection/app-connection-service.ts
+++ b/backend/src/services/app-connection/app-connection-service.ts
@@ -3,6 +3,7 @@ import { ForbiddenError, subject } from "@casl/ability";
 import { OrgPermissionAppConnectionActions, OrgPermissionSubjects } from "@app/ee/services/permission/org-permission";
 import { TPermissionServiceFactory } from "@app/ee/services/permission/permission-service";
 import { generateHash } from "@app/lib/crypto/encryption";
+import { DatabaseErrorCode } from "@app/lib/error-codes";
 import { BadRequestError, DatabaseError, NotFoundError } from "@app/lib/errors";
 import { DiscriminativePick, OrgServiceActor } from "@app/lib/types";
 import { AppConnection } from "@app/services/app-connection/app-connection-enums";
@@ -172,7 +173,7 @@ export const appConnectionServiceFactory = ({
         credentials: validatedCredentials
       } as TAppConnection;
     } catch (err) {
-      if (err instanceof DatabaseError && (err.error as { code: string })?.code === "23505") {
+      if (err instanceof DatabaseError && (err.error as { code: string })?.code === DatabaseErrorCode.UniqueViolation) {
         throw new BadRequestError({ message: `An App Connection with the name "${params.name}" already exists` });
       }
 
@@ -244,7 +245,7 @@ export const appConnectionServiceFactory = ({
 
       return await decryptAppConnection(updatedConnection, kmsService);
     } catch (err) {
-      if (err instanceof DatabaseError && (err.error as { code: string })?.code === "23505") {
+      if (err instanceof DatabaseError && (err.error as { code: string })?.code === DatabaseErrorCode.UniqueViolation) {
         throw new BadRequestError({ message: `An App Connection with the name "${params.name}" already exists` });
       }
 
@@ -280,7 +281,10 @@ export const appConnectionServiceFactory = ({
 
       return await decryptAppConnection(deletedAppConnection, kmsService);
     } catch (err) {
-      if (err instanceof DatabaseError && (err.error as { code: string })?.code === "23503") {
+      if (
+        err instanceof DatabaseError &&
+        (err.error as { code: string })?.code === DatabaseErrorCode.ForeignKeyViolation
+      ) {
         throw new BadRequestError({
           message:
             "Cannot delete App Connection with existing connections. Remove all existing connections and try again."
diff --git a/backend/src/services/secret-sync/secret-sync-service.ts b/backend/src/services/secret-sync/secret-sync-service.ts
index a855f5dfc..8211180e8 100644
--- a/backend/src/services/secret-sync/secret-sync-service.ts
+++ b/backend/src/services/secret-sync/secret-sync-service.ts
@@ -8,6 +8,7 @@ import {
   ProjectPermissionSub
 } from "@app/ee/services/permission/project-permission";
 import { KeyStorePrefixes, TKeyStoreFactory } from "@app/keystore/keystore";
+import { DatabaseErrorCode } from "@app/lib/error-codes";
 import { BadRequestError, DatabaseError, NotFoundError } from "@app/lib/errors";
 import { OrgServiceActor } from "@app/lib/types";
 import { TAppConnectionServiceFactory } from "@app/services/app-connection/app-connection-service";
@@ -209,7 +210,7 @@ export const secretSyncServiceFactory = ({
 
       return secretSync as TSecretSync;
     } catch (err) {
-      if (err instanceof DatabaseError && (err.error as { code: string })?.code === "23505") {
+      if (err instanceof DatabaseError && (err.error as { code: string })?.code === DatabaseErrorCode.UniqueViolation) {
         throw new BadRequestError({
           message: `A Secret Sync with the name "${params.name}" already exists for the project with ID "${folder.projectId}"`
         });
@@ -300,7 +301,7 @@ export const secretSyncServiceFactory = ({
 
       return updatedSecretSync as TSecretSync;
     } catch (err) {
-      if (err instanceof DatabaseError && (err.error as { code: string })?.code === "23505") {
+      if (err instanceof DatabaseError && (err.error as { code: string })?.code === DatabaseErrorCode.UniqueViolation) {
         throw new BadRequestError({
           message: `A Secret Sync with the name "${params.name}" already exists for the project with ID "${secretSync.projectId}"`
         });