diff --git a/api/api/services/database.py b/api/api/services/database.py
index a667776..87c8ae9 100644
--- a/api/api/services/database.py
+++ b/api/api/services/database.py
@@ -2,11 +2,20 @@
 from datetime import datetime
 
 from flask_sqlalchemy import SQLAlchemy
+from sqlalchemy import MetaData
 
 from api.const import (DEFAULT_ERC20_MAX_AMOUNT_PER_DAY,
                        DEFAULT_NATIVE_MAX_AMOUNT_PER_DAY, FaucetRequestType)
 
-db = SQLAlchemy()
+flask_db_convention = {
+    "ix": 'ix_%(column_0_label)s',
+    "uq": "uq_%(table_name)s_%(column_0_name)s",
+    "ck": "ck_%(table_name)s_%(constraint_name)s",
+    "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
+    "pk": "pk_%(table_name)s"
+}
+db_metadata = MetaData(naming_convention=flask_db_convention)
+db = SQLAlchemy(metadata=db_metadata)
 
 
 class Database:
diff --git a/api/migrations/versions/4cacf36b2356_.py b/api/migrations/versions/4cacf36b2356_.py
new file mode 100644
index 0000000..5a6e4f8
--- /dev/null
+++ b/api/migrations/versions/4cacf36b2356_.py
@@ -0,0 +1,45 @@
+"""empty message
+
+Revision ID: 4cacf36b2356
+Revises: 022497197c7a
+Create Date: 2024-03-09 11:37:03.009350
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+from api.services.database import flask_db_convention
+
+
+# revision identifiers, used by Alembic.
+revision = '4cacf36b2356'
+down_revision = '022497197c7a'
+branch_labels = None
+depends_on = None
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('access_keys', schema=None, naming_convention=flask_db_convention) as batch_op:
+        batch_op.create_unique_constraint(batch_op.f('uq_access_keys_secret_access_key'), ['secret_access_key'])
+
+    with op.batch_alter_table('access_keys_config', schema=None, naming_convention=flask_db_convention) as batch_op:
+        batch_op.create_unique_constraint(batch_op.f('uq_access_keys_config_access_key_id'), ['access_key_id', 'chain_id'])
+
+    with op.batch_alter_table('transactions', schema=None, naming_convention=flask_db_convention) as batch_op:
+        batch_op.create_unique_constraint(batch_op.f('uq_transactions_hash'), ['hash'])
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('transactions', schema=None, naming_convention=flask_db_convention) as batch_op:
+        batch_op.drop_constraint(batch_op.f('uq_transactions_hash'), type_='unique')
+
+    with op.batch_alter_table('access_keys_config', schema=None, naming_convention=flask_db_convention) as batch_op:
+        batch_op.drop_constraint(batch_op.f('uq_access_keys_config_access_key_id'), type_='unique')
+
+    with op.batch_alter_table('access_keys', schema=None, naming_convention=flask_db_convention) as batch_op:
+        batch_op.drop_constraint(batch_op.f('uq_access_keys_secret_access_key'), type_='unique')
+
+    # ### end Alembic commands ###
diff --git a/api/migrations/versions/b5d4ca37347c_.py b/api/migrations/versions/b5d4ca37347c_.py
deleted file mode 100644
index ebaebf6..0000000
--- a/api/migrations/versions/b5d4ca37347c_.py
+++ /dev/null
@@ -1,43 +0,0 @@
-"""empty message
-
-Revision ID: b5d4ca37347c
-Revises: 022497197c7a
-Create Date: 2024-03-08 17:17:14.960915
-
-"""
-import sqlalchemy as sa
-from alembic import op
-
-# revision identifiers, used by Alembic.
-revision = 'b5d4ca37347c'
-down_revision = '022497197c7a'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    with op.batch_alter_table('access_keys', schema=None) as batch_op:
-        batch_op.create_unique_constraint(None, ['secret_access_key'])
-
-    with op.batch_alter_table('access_keys_config', schema=None) as batch_op:
-        batch_op.create_unique_constraint(None, ['access_key_id', 'chain_id'])
-
-    with op.batch_alter_table('transactions', schema=None) as batch_op:
-        batch_op.create_unique_constraint(None, ['hash'])
-
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    with op.batch_alter_table('transactions', schema=None) as batch_op:
-        batch_op.drop_constraint(None, type_='unique')
-
-    with op.batch_alter_table('access_keys_config', schema=None) as batch_op:
-        batch_op.drop_constraint(None, type_='unique')
-
-    with op.batch_alter_table('access_keys', schema=None) as batch_op:
-        batch_op.drop_constraint(None, type_='unique')
-
-    # ### end Alembic commands ###