From 449fe986a2c6794150bdfe34b950774668b2c36d Mon Sep 17 00:00:00 2001
From: simonpetit <nomisp96@hotmail.fr>
Date: Thu, 23 Oct 2025 11:09:41 +0000
Subject: [PATCH] new draft

---
 drafts/external_tables.md | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 drafts/external_tables.md

diff --git a/drafts/external_tables.md b/drafts/external_tables.md
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+# External tables: definition and usage
+
+## Prerequisites 
+
+Before giving the definition of the external tables, several concepts must be explained.
+
+We will