diff --git a/data_analysis/02-3_oracle_workflow_test.py b/data_analysis/02-3_oracle_workflow_test.py
index 2f34710..90c3280 100644
--- a/data_analysis/02-3_oracle_workflow_test.py
+++ b/data_analysis/02-3_oracle_workflow_test.py
@@ -308,7 +308,13 @@ df.filter(pl.col("MELDENUMMER") == 18).select(pl.col("MENGE_VORMERKER").is_null(
 # ** not known at this point
 # there are entries where BEDP_MENGE_BEDARF_VM > MENGE_VORMERKER -->
 # BEDP_MENGE_BEDARF_VM as reference or ground truth not suitable
-df.filter(pl.col("BEDP_MENGE_BEDARF_VM") > pl.col("MENGE_VORMERKER"))
+df_diff_VM_bedp_tinfo = df.filter(pl.col("BEDP_MENGE_BEDARF_VM") > pl.col("MENGE_VORMERKER"))
+p_save_diff_VM_bedp_tinfo = (
+    Path.cwd() / "diff_BEDP-MENGE-BEDARF-VM_TINF-MENGE-VORMERKER_20251211-1.xlsx"
+)
+from polars.datatypes import classes as pl_dtypes
+
+df_diff_VM_bedp_tinfo.to_pandas().to_excel(p_save_diff_VM_bedp_tinfo, index=False)
 # why are there entries where "BEDP_MENGE_BEDARF_VM" > "MENGE_VORMERKER"?
 # %%
 # ** CHECK: titles with request where no title information is found
diff --git a/data_analysis/queries.sql b/data_analysis/queries.sql
index 7d87821..04d17b8 100644
--- a/data_analysis/queries.sql
+++ b/data_analysis/queries.sql
@@ -19,19 +19,23 @@ set timing on
 --     AND bedp.BEDP_MAN = t_info.MANDFUEHR;
 -- PROMPT ####################################
 
--- PROMPT All allowed
--- SELECT
--- bedp.BEDARFNR,
--- bedp.BEDP_SEQUENZ,
--- bedp.BEDP_TITELNR,
--- bedp.BEDP_MAN,
--- bedp.BEDP_MENGE_BEDARF_VM,
--- t_info.MELDENUMMER,
--- t_info.MENGE_VORMERKER
--- FROM EXT_BEDPBED bedp
--- LEFT JOIN EXT_TITEL_INFO t_info
---     ON bedp.BEDP_TITELNR = t_info.TI_NUMMER
---     AND bedp.BEDP_MAN = t_info.MANDFUEHR;
+PROMPT >>>>>>>>> All allowed
+SELECT COUNT(*) FROM (
+    SELECT
+        bedp.BEDARFNR,
+        bedp.BEDP_SEQUENZ,
+        bedp.BEDP_TITELNR,
+        bedp.BEDP_MAN,
+        bedp.BEDP_MENGE_BEDARF_VM,
+        t_info.MELDENUMMER,
+        t_info.VERLAGSNR
+        t_info.MENGE_VORMERKER
+        t_info.MANDFUEHR
+    FROM EXT_BEDPBED bedp
+    LEFT JOIN EXT_TITEL_INFO t_info
+        ON bedp.BEDP_TITELNR = t_info.TI_NUMMER
+);
+    
 -- -- WHERE bedp.BEDP_MAN IN (1, 90) AND t_info.MELDENUMMER != 26;
 -- PROMPT ######################################
 PROMPT #################################################
@@ -69,48 +73,48 @@ PROMPT #################################################
 -- DESC EXT_AUFPAUF;
 
 -- ##############################
-SELECT AUFTRAGS_ART, COUNT(*) AS anzahl FROM (
-    SELECT * FROM (
-        SELECT * FROM (
-            SELECT /*+ NO_USE_HASH(bedp t_info) */
-                view1.BEDP_TITELNR,
-                t_info.MELDENUMMER,
-                t_info.VERLAGSNR,
-                t_info.MANDFUEHR
-            FROM
-                (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
-            LEFT JOIN EXT_TITEL_INFO t_info
-                ON view1.BEDP_TITELNR = t_info.TI_NUMMER
-            ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18)
-    ) titles
-    JOIN EXT_AUFPAUF auf
-        ON titles.BEDP_TITELNR = auf.TITELNR
-        WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-09-05', 'YYYY-MM-DD')
-)
-GROUP BY AUFTRAGS_ART
-ORDER BY anzahl DESC;
+-- SELECT AUFTRAGS_ART, COUNT(*) AS anzahl FROM (
+--     SELECT * FROM (
+--         SELECT * FROM (
+--             SELECT /*+ NO_USE_HASH(bedp t_info) */
+--                 view1.BEDP_TITELNR,
+--                 t_info.MELDENUMMER,
+--                 t_info.VERLAGSNR,
+--                 t_info.MANDFUEHR
+--             FROM
+--                 (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
+--             LEFT JOIN EXT_TITEL_INFO t_info
+--                 ON view1.BEDP_TITELNR = t_info.TI_NUMMER
+--             ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18)
+--     ) titles
+--     JOIN EXT_AUFPAUF auf
+--         ON titles.BEDP_TITELNR = auf.TITELNR
+--         WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-09-05', 'YYYY-MM-DD')
+-- )
+-- GROUP BY AUFTRAGS_ART
+-- ORDER BY anzahl DESC;
 
-PROMPT >>
-SELECT EINGANGS_ART, COUNT(*) AS anzahl FROM (
-    SELECT * FROM (
-        SELECT * FROM (
-            SELECT /*+ NO_USE_HASH(bedp t_info) */
-                view1.BEDP_TITELNR,
-                t_info.MELDENUMMER,
-                t_info.VERLAGSNR,
-                t_info.MANDFUEHR
-            FROM
-                (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
-            LEFT JOIN EXT_TITEL_INFO t_info
-                ON view1.BEDP_TITELNR = t_info.TI_NUMMER
-            ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18)
-    ) titles
-    JOIN EXT_AUFPAUF auf
-        ON titles.BEDP_TITELNR = auf.TITELNR
-        WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-09-05', 'YYYY-MM-DD')
-)
-GROUP BY EINGANGS_ART
-ORDER BY anzahl DESC;
+-- PROMPT >>
+-- SELECT EINGANGS_ART, COUNT(*) AS anzahl FROM (
+--     SELECT * FROM (
+--         SELECT * FROM (
+--             SELECT /*+ NO_USE_HASH(bedp t_info) */
+--                 view1.BEDP_TITELNR,
+--                 t_info.MELDENUMMER,
+--                 t_info.VERLAGSNR,
+--                 t_info.MANDFUEHR
+--             FROM
+--                 (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
+--             LEFT JOIN EXT_TITEL_INFO t_info
+--                 ON view1.BEDP_TITELNR = t_info.TI_NUMMER
+--             ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18)
+--     ) titles
+--     JOIN EXT_AUFPAUF auf
+--         ON titles.BEDP_TITELNR = auf.TITELNR
+--         WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-09-05', 'YYYY-MM-DD')
+-- )
+-- GROUP BY EINGANGS_ART
+-- ORDER BY anzahl DESC;
 
 
 
diff --git a/data_analysis/query_raw_data.sql b/data_analysis/query_raw_data.sql
new file mode 100644
index 0000000..bca139e
--- /dev/null
+++ b/data_analysis/query_raw_data.sql
@@ -0,0 +1,17 @@
+SELECT COUNT(*) FROM (
+    SELECT
+        bedp.BEDARFNR,
+        bedp.BEDP_SEQUENZ,
+        bedp.BEDP_TITELNR,
+        bedp.BEDP_MAN,
+        bedp.BEDP_MENGE_BEDARF_VM,
+        t_info.MELDENUMMER,
+        t_info.VERLAGSNR,
+        t_info.MENGE_VORMERKER,
+        t_info.MANDFUEHR
+    FROM EXT_BEDPBED bedp
+    LEFT JOIN EXT_TITEL_INFO t_info
+        ON bedp.BEDP_TITELNR = t_info.TI_NUMMER
+);
+
+SELECT * FROM EXT_TITEL_INFO t_info WHERE t_info.TI_NUMMER = 2787037;
\ No newline at end of file
diff --git a/pdm.lock b/pdm.lock
index 51e4eaa..eb97ec1 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "data", "dev", "lint", "nb", "tests"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:26311ae8e74c466dc51234b41c9a1777f0ff5140863e5f290a9d7d68396c5b46"
+content_hash = "sha256:60c870b0938a478c52ed769bfe1f33892f9c93b95a6a700d86a9853b1e8f2e8f"
 
 [[metadata.targets]]
 requires_python = ">=3.11"
@@ -3045,3 +3045,14 @@ files = [
     {file = "widgetsnbextension-4.0.15-py3-none-any.whl", hash = "sha256:8156704e4346a571d9ce73b84bee86a29906c9abfd7223b7228a28899ccf3366"},
     {file = "widgetsnbextension-4.0.15.tar.gz", hash = "sha256:de8610639996f1567952d763a5a41af8af37f2575a41f9852a38f947eb82a3b9"},
 ]
+
+[[package]]
+name = "xlsxwriter"
+version = "3.2.9"
+requires_python = ">=3.8"
+summary = "A Python module for creating Excel XLSX files."
+groups = ["data"]
+files = [
+    {file = "xlsxwriter-3.2.9-py3-none-any.whl", hash = "sha256:9a5db42bc5dff014806c58a20b9eae7322a134abb6fce3c92c181bfb275ec5b3"},
+    {file = "xlsxwriter-3.2.9.tar.gz", hash = "sha256:254b1c37a368c444eac6e2f867405cc9e461b0ed97a3233b2ac1e574efb4140c"},
+]
diff --git a/pyproject.toml b/pyproject.toml
index 6b4649a..ab367dd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -152,4 +152,5 @@ data = [
     "pandas>=2.3.3",
     "polars>=1.35.1",
     "pyarrow>=22.0.0",
+    "xlsxwriter>=3.2.9",
 ]