diff --git a/apps/backend/src/app/db/schema.ts b/apps/backend/src/app/db/schema.ts
index 48e2009..3d9c75e 100644
--- a/apps/backend/src/app/db/schema.ts
+++ b/apps/backend/src/app/db/schema.ts
@@ -103,6 +103,7 @@ export const FilesTable = pgTable("files", {
 		})
 		.notNull(),
 });
+export type IFileTable = typeof FilesTable.$inferSelect
 
 export const FilesGroupTable = pgTable("f_groups", {
 	uuid: p.uuid("uuid").unique().primaryKey().defaultRandom().notNull(),
@@ -114,6 +115,8 @@ export const FilesGroupTable = pgTable("f_groups", {
 		.unique()
 		.notNull(),
 });
+export type IFileGroupTable = typeof FilesGroupTable.$inferSelect
+
 
 //TODO Files types
 export const FilesTypesTable = pgTable("f_types", {
@@ -134,6 +137,7 @@ export const FilesTypesTable = pgTable("f_types", {
 		.unique()
 		.notNull(),
 });
+export type IFilesTypesTable = typeof FilesTypesTable.$inferSelect
 
 export const MachinesTable = pgTable("machines", {
 	id: p.uuid("id").unique().primaryKey().defaultRandom().notNull(),
@@ -152,6 +156,7 @@ export const MachinesTable = pgTable("machines", {
 
 	//supported files format
 });
+export type IMachinesTable = typeof MachinesTable.$inferSelect
 
 //TODO Many to Many table betwen File en Machine
 export const FilesForMachinesTable = pgTable("files_for_machines", {
@@ -167,6 +172,7 @@ export const FilesForMachinesTable = pgTable("files_for_machines", {
 		.notNull()
 		.references(() => MachinesTable.id),
 });
+export type IFilesForMachinesTable = typeof FilesForMachinesTable.$inferSelect
 
 export const FilesTypeForMachine = pgTable("f_type_for_machines", {
 	id: p.uuid("id").unique().primaryKey().defaultRandom().notNull(),
@@ -180,3 +186,4 @@ export const FilesTypeForMachine = pgTable("f_type_for_machines", {
 		.notNull()
 		.references(() => FilesTypesTable.id),
 });
+export type IFilesTypeForMachine = typeof FilesTypeForMachine.$inferSelect
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