diff --git a/odoo_openupgrade_wizard/tools_postgres.py b/odoo_openupgrade_wizard/tools_postgres.py
index 53dddff..371eb88 100644
--- a/odoo_openupgrade_wizard/tools_postgres.py
+++ b/odoo_openupgrade_wizard/tools_postgres.py
@@ -40,15 +40,43 @@ def get_postgres_container(ctx):
         detach=True,
     )
     # TODO, improve me.
+    # Postgres container doesn't seems available immediately.
+    # check in odoo container, i remember that there is
+    # some script to do the job
     time.sleep(3)
     return container
 
 
-def execute_sql_file(ctx, request, sql_file):
-    # TODO.
-    # Note : work on path in a docker context.
-    # container = get_postgres_container(ctx)
-    pass
+def execute_sql_file(ctx, database, sql_file):
+    container = get_postgres_container(ctx)
+
+    # Recreate relative path to make posible to
+    # call psql in the container
+    if str(ctx.obj["env_folder_path"]) not in str(sql_file):
+        raise Exception(
+            "The SQL file %s is not in the"
+            " main folder %s available"
+            " in the postgres container."
+            % (sql_file, ctx.obj["env_folder_path"])
+        )
+    relative_path = Path(
+        str(sql_file).replace(str(ctx.obj["env_folder_path"]), ".")
+    )
+
+    container_path = Path("/env/") / relative_path
+    docker_command = (
+        "psql" " --username=odoo" " --dbname={database}" " --file {file_path}"
+    ).format(database=database, file_path=container_path)
+    logger.info(
+        "Executing the script '%s' in postgres container"
+        " on database %s" % (relative_path, database)
+    )
+    docker_result = container.exec_run(docker_command)
+    if docker_result.exit_code != 0:
+        raise Exception(
+            "The script '%s' failed on database %s. Exit Code : %d"
+            % (relative_path, database, docker_result.exit_code)
+        )
 
 
 def execute_sql_request(ctx, request, database="postgres"):
@@ -111,9 +139,9 @@ def ensure_database(ctx, database: str, state="present"):
 def execute_sql_files_pre_migration(
     ctx, database: str, migration_step: dict, sql_files: list = []
 ):
+    ensure_database(ctx, database, state="present")
     if not sql_files:
         script_folder = get_script_folder(ctx, migration_step)
-
         sql_files = [
             script_folder / Path(f)
             for f in os.listdir(script_folder)
diff --git a/tests/cli_B_04_execute_script_python_test.py b/tests/cli_B_04_execute_script_python_test.py
index 50d4775..a59fded 100644
--- a/tests/cli_B_04_execute_script_python_test.py
+++ b/tests/cli_B_04_execute_script_python_test.py
@@ -10,7 +10,7 @@ def test_cli_execute_script_python():
         "./tests/extra_script_B/post-migration-custom_test.py"
     ).absolute()
 
-    db_name = "database_test_cli_execute_script"
+    db_name = "database_test_cli_execute_script_python"
 
     # Install Odoo on V13 with product installed
     cli_runner_invoke(
diff --git a/tests/cli_B_05_execute_script_sql_test.py b/tests/cli_B_05_execute_script_sql_test.py
index 794f53f..ea37075 100644
--- a/tests/cli_B_05_execute_script_sql_test.py
+++ b/tests/cli_B_05_execute_script_sql_test.py
@@ -1,2 +1,40 @@
+import shutil
+from pathlib import Path
+
+from odoo_openupgrade_wizard.tools_postgres import (
+    ensure_database,
+    execute_sql_request,
+)
+
+from . import build_ctx_from_config_file, cli_runner_invoke
+
+
 def test_cli_execute_script_sql():
-    return
+    output_folder_path = Path("./tests/output_B").absolute()
+
+    extra_script_path = Path(
+        "./tests/extra_script_B/pre-migration-custom_test.sql"
+    ).absolute()
+
+    destination_path = output_folder_path / "scripts/step_01__update__13.0"
+    shutil.copy(extra_script_path, destination_path)
+    ctx = build_ctx_from_config_file(output_folder_path)
+    db_name = "database_test_cli_execute_script_sql"
+    ensure_database(ctx, db_name, state="absent")
+    ensure_database(ctx, db_name, state="present")
+
+    cli_runner_invoke(
+        [
+            "--log-level=DEBUG",
+            "--env-folder=%s" % output_folder_path,
+            "execute-script-sql",
+            "--step=1",
+            "--database=%s" % db_name,
+        ]
+    )
+
+    # Ensure that the request has been done correctlys
+    request = "SELECT name from city order by id;"
+    result = execute_sql_request(ctx, request, database=db_name)
+
+    assert result == [["Chicago"], ["Cavalaire Sur Mer"]]