diff --git a/functions/database.py b/functions/database.py
index 2dec155..54e0d1c 100644
--- a/functions/database.py
+++ b/functions/database.py
@@ -64,10 +64,10 @@ class Celula(Base):
     
     id = Column(Integer, primary_key=True, autoincrement=True)
     nome = Column(String(100), nullable=False)
-    setor_id = Column(Integer, ForeignKey('setores.id'))
-    cr_id = Column(Integer, ForeignKey('comites_regionais.id'))
-    secretario = Column(Integer, ForeignKey('militantes.id'))
-    responsavel_financas = Column(Integer, ForeignKey('militantes.id'))
+    setor_id = Column(Integer, ForeignKey('setores.id', use_alter=True, name='fk_celula_setor'))
+    cr_id = Column(Integer, ForeignKey('comites_regionais.id', use_alter=True, name='fk_celula_cr'))
+    secretario = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_celula_secretario'))
+    responsavel_financas = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_celula_responsavel_financas'))
     quadro_orientador = Column(String(255))
     
     # Relacionamentos
@@ -84,10 +84,10 @@ class ComiteRegional(Base):
     
     id = Column(Integer, primary_key=True, autoincrement=True)
     nome = Column(String(100), nullable=False)
-    responsavel_financas = Column(Integer, ForeignKey('militantes.id'))
-    responsavel_formacao = Column(Integer, ForeignKey('militantes.id'))
-    secretario_organizacao = Column(Integer, ForeignKey('militantes.id'))
-    correspondente_jornal = Column(Integer, ForeignKey('militantes.id'))
+    responsavel_financas = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_cr_responsavel_financas'))
+    responsavel_formacao = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_cr_responsavel_formacao'))
+    secretario_organizacao = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_cr_secretario_organizacao'))
+    correspondente_jornal = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_cr_correspondente_jornal'))
     
     # Relacionamentos
     responsavel_financas_rel = relationship("Militante", foreign_keys=[responsavel_financas])
@@ -145,7 +145,7 @@ class Militante(Base):
     # Relacionamento para múltiplos emails
     emails = relationship("EmailMilitante", back_populates="militante")
     # Endereço
-    endereco_id = Column(Integer, ForeignKey('enderecos.id'))
+    endereco_id = Column(Integer, ForeignKey('enderecos.id', use_alter=True, name='fk_militante_endereco'))
     endereco = relationship("Endereco", back_populates="militantes")
     # Redes sociais
     redes_sociais = relationship("RedeSocial", back_populates="militante")
@@ -163,9 +163,9 @@ class Militante(Base):
     dirigente_sindical = Column(Boolean)
     central_sindical = Column(String(100))
     # Responsável pelo cadastro
-    registrado_por = Column(Integer, ForeignKey('militantes.id'))
+    registrado_por = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_militante_registrado_por'))
     # Campos existentes
-    celula_id = Column(Integer, ForeignKey('celulas.id'))
+    celula_id = Column(Integer, ForeignKey('celulas.id', use_alter=True, name='fk_militante_celula'))
     responsabilidades = Column(Integer, default=0)
     otp_secret = Column(String(32))
     temp_token = Column(String(64))
@@ -382,9 +382,9 @@ class Setor(Base):
     
     id = Column(Integer, primary_key=True)
     nome = Column(String(100), nullable=False)
-    cr_id = Column(Integer, ForeignKey('comites_regionais.id'))
-    responsavel = Column(Integer, ForeignKey('militantes.id'))
-    responsavel_financas = Column(Integer, ForeignKey('militantes.id'))
+    cr_id = Column(Integer, ForeignKey('comites_regionais.id', use_alter=True, name='fk_setor_cr'))
+    responsavel = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_setor_responsavel'))
+    responsavel_financas = Column(Integer, ForeignKey('militantes.id', use_alter=True, name='fk_setor_responsavel_financas'))
     
     # Relacionamentos
     cr = relationship("ComiteRegional", back_populates="setores")