diff --git a/.gitignore b/.gitignore
index 5eb4483f..97b05c0d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ __pycache__/
 node_modules
 /pyrightconfig.json
 /tests/files/tickets.csv
+/log/*.log
diff --git a/log/.keep b/log/.keep
new file mode 100644
index 00000000..e69de29b
diff --git a/migrations/versions/c09e95d03bac_.py b/migrations/versions/47bf06847903_.py
similarity index 82%
rename from migrations/versions/c09e95d03bac_.py
rename to migrations/versions/47bf06847903_.py
index 58a7eece..61520204 100644
--- a/migrations/versions/c09e95d03bac_.py
+++ b/migrations/versions/47bf06847903_.py
@@ -1,8 +1,8 @@
 """empty message
 
-Revision ID: c09e95d03bac
+Revision ID: 47bf06847903
 Revises: 
-Create Date: 2022-06-21 10:41:50.430102
+Create Date: 2022-06-21 12:19:38.184089
 
 """
 from alembic import op
@@ -10,7 +10,7 @@ import sqlalchemy as sa
 
 
 # revision identifiers, used by Alembic.
-revision = 'c09e95d03bac'
+revision = '47bf06847903'
 down_revision = None
 branch_labels = None
 depends_on = None
@@ -57,7 +57,7 @@ def upgrade():
     sa.Column('bpmn_json', sa.JSON(), nullable=True),
     sa.Column('start_in_seconds', sa.Integer(), nullable=True),
     sa.Column('end_in_seconds', sa.Integer(), nullable=True),
-    sa.Column('last_updated', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('updated_at_in_seconds', sa.Integer(), nullable=True),
     sa.Column('process_initiator_id', sa.Integer(), nullable=False),
     sa.Column('status', sa.Enum('not_started', 'user_input_required', 'waiting', 'complete', 'erroring', name='processinstancestatus'), nullable=True),
     sa.ForeignKeyConstraint(['process_initiator_id'], ['user.id'], ),
@@ -65,6 +65,19 @@ def upgrade():
     )
     op.create_index(op.f('ix_process_instance_process_group_identifier'), 'process_instance', ['process_group_identifier'], unique=False)
     op.create_index(op.f('ix_process_instance_process_model_identifier'), 'process_instance', ['process_model_identifier'], unique=False)
+    op.create_table('process_instance_report',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('process_model_identifier', sa.String(length=50), nullable=False),
+    sa.Column('process_group_identifier', sa.String(length=50), nullable=False),
+    sa.Column('report_json', sa.JSON(), nullable=True),
+    sa.Column('created_by_id', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
+    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
+    sa.ForeignKeyConstraint(['created_by_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_process_instance_report_process_group_identifier'), 'process_instance_report', ['process_group_identifier'], unique=False)
+    op.create_index(op.f('ix_process_instance_report_process_model_identifier'), 'process_instance_report', ['process_model_identifier'], unique=False)
     op.create_table('user_group_assignment',
     sa.Column('id', sa.Integer(), nullable=False),
     sa.Column('user_id', sa.Integer(), nullable=False),
@@ -136,6 +149,9 @@ def downgrade():
     op.drop_table('task_event')
     op.drop_table('file')
     op.drop_table('user_group_assignment')
+    op.drop_index(op.f('ix_process_instance_report_process_model_identifier'), table_name='process_instance_report')
+    op.drop_index(op.f('ix_process_instance_report_process_group_identifier'), table_name='process_instance_report')
+    op.drop_table('process_instance_report')
     op.drop_index(op.f('ix_process_instance_process_model_identifier'), table_name='process_instance')
     op.drop_index(op.f('ix_process_instance_process_group_identifier'), table_name='process_instance')
     op.drop_table('process_instance')
diff --git a/src/spiffworkflow_backend/config/__init__.py b/src/spiffworkflow_backend/config/__init__.py
index 3e7d9c84..f063c397 100644
--- a/src/spiffworkflow_backend/config/__init__.py
+++ b/src/spiffworkflow_backend/config/__init__.py
@@ -1,21 +1,24 @@
 """__init__.py."""
 import os
+import logging
 
 from flask.app import Flask
 from werkzeug.utils import ImportStringError
 
 
-def setup_config(app: Flask) -> None:
-    """Setup_config."""
-    # ensure the instance folder exists
-    try:
-        os.makedirs(app.instance_path)
-    except OSError:
-        pass
+def setup_logger_for_sql_statements(app: Flask):
+    db_log_file_name = f'log/db_{app.env}.log'
+    db_handler_log_level = logging.INFO
+    db_logger_log_level = logging.DEBUG
+    db_handler = logging.FileHandler(db_log_file_name)
+    db_handler.setLevel(db_handler_log_level)
+    db_logger = logging.getLogger('sqlalchemy')
+    db_logger.propagate = False
+    db_logger.addHandler(db_handler)
+    db_logger.setLevel(db_logger_log_level)
 
-    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
-    app.config.from_object("spiffworkflow_backend.config.default")
 
+def setup_database_uri(app: Flask):
     if os.environ.get("DATABASE_URI") is None:
         if os.environ.get("SPIFF_DATABASE_TYPE") == "sqlite":
             app.config[
@@ -36,6 +39,21 @@ def setup_config(app: Flask) -> None:
     else:
         app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get("DATABASE_URI")
 
+
+def setup_config(app: Flask) -> None:
+    """Setup_config."""
+    # ensure the instance folder exists
+    try:
+        os.makedirs(app.instance_path)
+    except OSError:
+        pass
+
+    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
+    app.config.from_object("spiffworkflow_backend.config.default")
+
+    setup_database_uri(app)
+    setup_logger_for_sql_statements(app)
+
     env_config_module = "spiffworkflow_backend.config." + app.env
     try:
         app.config.from_object(env_config_module)
diff --git a/src/spiffworkflow_backend/load_database_models.py b/src/spiffworkflow_backend/load_database_models.py
index a5c605a2..e298106d 100644
--- a/src/spiffworkflow_backend/load_database_models.py
+++ b/src/spiffworkflow_backend/load_database_models.py
@@ -4,8 +4,8 @@ from flask_bpmn.models.db import add_listeners  # type: ignore
 
 from spiffworkflow_backend.models.data_store import DataStoreModel
 from spiffworkflow_backend.models.file import FileModel
-from spiffworkflow_backend.models.permission_assignment import PermissionAssignmentModel
-from spiffworkflow_backend.models.permission_target import PermissionTargetModel
+# from spiffworkflow_backend.models.permission_assignment import PermissionAssignmentModel
+# from spiffworkflow_backend.models.permission_target import PermissionTargetModel
 from spiffworkflow_backend.models.principal import PrincipalModel
 from spiffworkflow_backend.models.process_instance import ProcessInstanceModel
 from spiffworkflow_backend.models.process_instance_report import ProcessInstanceReportModel
diff --git a/src/spiffworkflow_backend/models/process_instance.py b/src/spiffworkflow_backend/models/process_instance.py
index d3b7ecea..fd9a68a5 100644
--- a/src/spiffworkflow_backend/models/process_instance.py
+++ b/src/spiffworkflow_backend/models/process_instance.py
@@ -82,7 +82,7 @@ class ProcessInstanceModel(SpiffworkflowBaseDBModel):  # type: ignore
     bpmn_json = deferred(db.Column(db.JSON))
     start_in_seconds = db.Column(db.Integer)
     end_in_seconds = db.Column(db.Integer)
-    last_updated = db.Column(db.DateTime(timezone=True))
+    updated_at_in_seconds = db.Column(db.Integer)
     process_initiator_id = db.Column(ForeignKey(UserModel.id), nullable=False)
     process_initiator = relationship("UserModel")
     status = db.Column(db.Enum(ProcessInstanceStatus))
@@ -114,7 +114,7 @@ class ProcessInstanceApi:
         process_group_identifier,
         total_tasks,
         completed_tasks,
-        last_updated,
+        updated_at_in_seconds,
         is_review,
         title,
     ):
@@ -127,7 +127,7 @@ class ProcessInstanceApi:
         self.process_group_identifier = process_group_identifier
         self.total_tasks = total_tasks
         self.completed_tasks = completed_tasks
-        self.last_updated = last_updated
+        self.updated_at_in_seconds = updated_at_in_seconds
         self.title = title
         self.is_review = is_review
 
@@ -148,7 +148,7 @@ class ProcessInstanceApiSchema(Schema):
             "process_group_identifier",
             "total_tasks",
             "completed_tasks",
-            "last_updated",
+            "updated_at_in_seconds",
             "is_review",
             "title",
             "study_id",
@@ -175,7 +175,7 @@ class ProcessInstanceApiSchema(Schema):
             "process_group_identifier",
             "total_tasks",
             "completed_tasks",
-            "last_updated",
+            "updated_at_in_seconds",
             "is_review",
             "title",
             "study_id",