feat: add space dataset query script

queries/space.sql

@@ -0,0 +1,42 @@
+-- DuckDB script to explore the space fixtures ducklake dataset
+-- Usage: duckdb -box < explore_space.sql
+--    or: duckdb < explore_space.sql
+--    or: duckdb -c ".read explore_space.sql"
+
+-- Install and load required extensions
+INSTALL httpfs;
+INSTALL ducklake;
+LOAD httpfs;
+LOAD ducklake;
+
+-- Verify extensions are loaded
+SELECT extension_name, loaded, extension_version
+FROM duckdb_extensions()
+WHERE extension_name IN ('httpfs', 'ducklake') AND loaded;
+
+-- Attach ducklake metadata database from HuggingFace
+-- Requires: hf auth login --token "${HF_TOKEN}" --add-to-git-credential
+ATTACH 'ducklake:hf://datasets/sciexp/fixtures/lakes/frozen/space.db' AS space;
+
+-- Alternative: attach from local clone (uncomment to use)
+-- ATTACH 'ducklake:lakes/frozen/space.db' AS space;
+
+USE space;
+
+-- ducklake metadata is available in `__ducklake_metadata_*` db `ducklake_*` tables
+-- SHOW ALL TABLES;
+
+-- Show available tables in the space schema
+SHOW TABLES FROM space.main;
+
+-- Describe astronauts table schema
+DESCRIBE space.main.astronauts;
+
+-- Statistical summary of astronauts table
+SUMMARIZE space.main.astronauts;
+
+-- Find the most experienced astronauts by total space days
+SELECT name, nationality, total_space_days, total_flights
+FROM astronauts
+ORDER BY total_space_days DESC
+LIMIT 10;