DOC: Jupyter notebook for the first step with caosdb

doc/notebooks/Live Demo CaosDB Octave.ipynb

+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "b165f725",
+   "metadata": {},
+   "source": [
+    "# Live demo: Octave's CaosDB package"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "11f407ec",
+   "metadata": {},
+   "source": [
+    "## Load & connect\n",
+    "Let's load the CaosDB package, connect to the server and get some information about the server."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f7ad7c18",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "pkg load caosdb;\n",
+    "c = Caosdb();\n",
+    "c.info()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "c77f09e5",
+   "metadata": {},
+   "source": [
+    "## Execute a query\n",
+    "The demo CaosDB contains a number of musical instruments and analyses about the instruments. Let's find an instrument that was not too cheap."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "2273ac0d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "result = c.query(\"FIND MusicalInstrument WITH price > 2022 €\");\n",
+    "instrument_3 = result{3}"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "07ec19e7",
+   "metadata": {},
+   "source": [
+    "## Further inspect the instrument\n",
+    "Records from CaosDB may contain properties. We want to find out how expensive the instrument actually was."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "aa1fd55b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "price = instrument_3.get_properties_as_struct().price"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Octave",
+   "language": "octave",
+   "name": "octave"
+  },
+  "language_info": {
+   "file_extension": ".m",
+   "help_links": [
+    {
+     "text": "GNU Octave",
+     "url": "https://www.gnu.org/software/octave/support.html"
+    },
+    {
+     "text": "Octave Kernel",
+     "url": "https://github.com/Calysto/octave_kernel"
+    },
+    {
+     "text": "MetaKernel Magics",
+     "url": "https://metakernel.readthedocs.io/en/latest/source/README.html"
+    }
+   ],
+   "mimetype": "text/x-octave",
+   "name": "octave",
+   "version": "6.2.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}