diff --git a/sql/swh-graph/README.md b/sql/swh-graph/estimate/README.md
similarity index 100%
rename from sql/swh-graph/README.md
rename to sql/swh-graph/estimate/README.md
diff --git a/sql/swh-graph/dump-swh-graph.sql b/sql/swh-graph/estimate/dump-swh-graph.sql
similarity index 100%
rename from sql/swh-graph/dump-swh-graph.sql
rename to sql/swh-graph/estimate/dump-swh-graph.sql
diff --git a/sql/swh-graph/swh-graph.out b/sql/swh-graph/estimate/swh-graph.out
similarity index 100%
rename from sql/swh-graph/swh-graph.out
rename to sql/swh-graph/estimate/swh-graph.out
diff --git a/sql/swh-graph/swh-graph.sh b/sql/swh-graph/estimate/swh-graph.sh
similarity index 100%
rename from sql/swh-graph/swh-graph.sh
rename to sql/swh-graph/estimate/swh-graph.sh
diff --git a/sql/swh-graph/swh-graph.sql b/sql/swh-graph/estimate/swh-graph.sql
similarity index 100%
rename from sql/swh-graph/swh-graph.sql
rename to sql/swh-graph/estimate/swh-graph.sql
diff --git a/sql/swh-graph/swh-graph.txt b/sql/swh-graph/estimate/swh-graph.txt
similarity index 100%
rename from sql/swh-graph/swh-graph.txt
rename to sql/swh-graph/estimate/swh-graph.txt
diff --git a/sql/swh-graph/export/README.md b/sql/swh-graph/export/README.md
new file mode 100644
index 0000000..1abeade
--- /dev/null
+++ b/sql/swh-graph/export/README.md
@@ -0,0 +1,4 @@
+Scripts to dump the content of the Software Heritage archive as a graph.
+
+Note: only for development use, the generation of CSV files is naive enough
+that will explode on the real production DB.
diff --git a/sql/swh-graph/export/export-edges.sql b/sql/swh-graph/export/export-edges.sql
new file mode 100644
index 0000000..ef22021
--- /dev/null
+++ b/sql/swh-graph/export/export-edges.sql
@@ -0,0 +1,15 @@
+\copy (SELECT 'swh:1:dir:' || encode(directory.id, 'hex') as source, 'swh:1:cnt:' || encode(target, 'hex') as dest FROM directory CROSS JOIN UNNEST(file_entries) as t(file_id) INNER JOIN directory_entry_file ON directory_entry_file.id = file_id ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
+
+\copy (SELECT 'swh:1:dir:' || encode(directory.id, 'hex') as source, 'swh:1:dir:' || encode(target, 'hex') as dest FROM directory CROSS JOIN UNNEST(dir_entries) as t(dir_id) INNER JOIN directory_entry_dir ON directory_entry_dir.id = dir_id ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
+
+\copy (SELECT 'swh:1:dir:' || encode(directory.id, 'hex') as source, 'swh:1:rev:' || encode(target, 'hex') as dest FROM directory CROSS JOIN UNNEST(rev_entries) as t(rev_id) INNER JOIN directory_entry_rev ON directory_entry_rev.id = rev_id ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
+
+\copy (SELECT 'swh:1:ori:' || encode(digest(url, 'sha1'), 'hex') as source, 'swh:1:snp:' || encode(snapshot.id, 'hex') as dest FROM origin_visit INNER JOIN snapshot on origin_visit.snapshot = snapshot.id INNER JOIN origin on origin_visit.origin = origin.id ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
+
+\copy (SELECT 'swh:1:rel:' || encode(id, 'hex') as source, 'swh:1:rev:' || encode(target, 'hex') as dest FROM release ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
+
+\copy (SELECT 'swh:1:rev:' || encode(id, 'hex') as source, 'swh:1:dir:' || encode(directory, 'hex') as dest FROM revision ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
+
+\copy (SELECT 'swh:1:rev:' || encode(id, 'hex') as source, 'swh:1:rev:' || encode(parent_id, 'hex') as dest FROM revision_history ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
+
+\copy (SELECT 'swh:1:snp:' || encode(snapshot.id, 'hex') as source, 'swh:1:rev:' || encode(snapshot_branch.target, 'hex') as dest FROM snapshot_branch INNER JOIN snapshot_branches on snapshot_branches.branch_id = snapshot_branch.object_id INNER JOIN snapshot on snapshot_branches.snapshot_id = snapshot.object_id ORDER BY dest) TO STDOUT WITH CSV DELIMITER ' ';
diff --git a/sql/swh-graph/export/export-graph.sh b/sql/swh-graph/export/export-graph.sh
new file mode 100755
index 0000000..2b9e3d1
--- /dev/null
+++ b/sql/swh-graph/export/export-graph.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+PSQL_CONN="service=softwareheritage-dev"
+if [ "$1" = "-h" -o "$1" = "--help" ] ; then
+    echo "Usage: export-graph.sh [POSTGRES_CONNECTION_STRING]"
+    exit 1
+elif [ -n "$1" ] ; then
+    PSQL_CONN="$1"
+    shift
+fi
+
+tmp_dir=$(mktemp -td swh-graph.XXXXXXXXXX)
+trap "rm -rf ${tmp_dir}" EXIT
+
+fifo="${tmp_dir}/graph.fifo"
+
+psql "$PSQL_CONN" < export-edges.sql \
+    | tee "$fifo" | pigz -c > swh-graph.edges.csv.gz
+
+tr ' ' '\n' < "$fifo" | sort -u | pigz -c > swh-graph.nodes.csv.gz
+
+psql "$PSQL_CONN" < export-origins.sql | pigz -c > swh-graph.origins.csv.gz
+
+echo "All done."
+echo "- graph stored in: swh-graph.{nodes,edges}.csv.gz"
+echo "- origins stored in: swh-graph.origins.csv.gz"
diff --git a/sql/swh-graph/export/export-origins.sql b/sql/swh-graph/export/export-origins.sql
new file mode 100644
index 0000000..4b81bf0
--- /dev/null
+++ b/sql/swh-graph/export/export-origins.sql
@@ -0,0 +1 @@
+\copy (SELECT 'swh:1:ori:' || encode(digest(url, 'sha1'), 'hex') as pid, url FROM origin ORDER BY url) TO STDOUT WITH CSV DELIMITER ' ';