diff --git a/DATABASE_SETUP.md b/DATABASE_SETUP.md
index c02d4c8..9a2034e 100644
--- a/DATABASE_SETUP.md
+++ b/DATABASE_SETUP.md
@@ -16,11 +16,14 @@ cp .env.example .env
 ```env
 DATABASE_HOST=85.234.110.60
 DATABASE_PORT=5432
-DATABASE_USERNAME=prism
-DATABASE_PASSWORD=oaZ3-4Y6yf
-DATABASE_NAME=prism
+DATABASE_USERNAME=bivekich
+DATABASE_PASSWORD=1kZoaf4_bQ
+DATABASE_NAME=biveki
 ```
 
+**Важно**: База данных используется совместно с другими проектами. 
+Все таблицы Prism Messenger имеют префикс `prism_` для избежания конфликтов.
+
 ### Проверка подключения
 
 Если возникают проблемы с подключением:
@@ -35,7 +38,7 @@ DATABASE_NAME=prism
 
 3. **Тестирование подключения через psql**:
 ```bash
-psql 'postgresql://prism:oaZ3-4Y6yf@85.234.110.60:5432/prism'
+psql 'postgresql://bivekich:1kZoaf4_bQ@85.234.110.60:5432/biveki'
 ```
 
 ### Альтернативная локальная разработка
diff --git a/backend/src/modules/conversations/entities/conversation.entity.ts b/backend/src/modules/conversations/entities/conversation.entity.ts
index c0cfe6f..56b6322 100644
--- a/backend/src/modules/conversations/entities/conversation.entity.ts
+++ b/backend/src/modules/conversations/entities/conversation.entity.ts
@@ -4,7 +4,7 @@ import { User } from '../../users/entities/user.entity';
 import { Message } from '../../messages/entities/message.entity';
 
 @ObjectType()
-@Entity('conversations')
+@Entity('prism_conversations')
 export class Conversation {
   @Field(() => ID)
   @PrimaryGeneratedColumn('uuid')
@@ -21,7 +21,7 @@ export class Conversation {
   @Field(() => [User])
   @ManyToMany(() => User)
   @JoinTable({
-    name: 'conversation_participants',
+    name: 'prism_conversation_participants',
     joinColumn: { name: 'conversationId', referencedColumnName: 'id' },
     inverseJoinColumn: { name: 'userId', referencedColumnName: 'id' },
   })
diff --git a/backend/src/modules/messages/entities/message.entity.ts b/backend/src/modules/messages/entities/message.entity.ts
index d6f3ef8..94217ef 100644
--- a/backend/src/modules/messages/entities/message.entity.ts
+++ b/backend/src/modules/messages/entities/message.entity.ts
@@ -4,7 +4,7 @@ import { User } from '../../users/entities/user.entity';
 import { Conversation } from '../../conversations/entities/conversation.entity';
 
 @ObjectType()
-@Entity('messages')
+@Entity('prism_messages')
 export class Message {
   @Field(() => ID)
   @PrimaryGeneratedColumn('uuid')
diff --git a/backend/src/modules/users/entities/user.entity.ts b/backend/src/modules/users/entities/user.entity.ts
index 511a145..91af505 100644
--- a/backend/src/modules/users/entities/user.entity.ts
+++ b/backend/src/modules/users/entities/user.entity.ts
@@ -3,7 +3,7 @@ import { Entity, Column, PrimaryGeneratedColumn, CreateDateColumn, UpdateDateCol
 import { Message } from '../../messages/entities/message.entity';
 
 @ObjectType()
-@Entity('users')
+@Entity('prism_users')
 export class User {
   @Field(() => ID)
   @PrimaryGeneratedColumn('uuid')