diff --git a/data_analysis/02-3_oracle_workflow_test.py b/data_analysis/02-3_oracle_workflow_test.py
index 895a89f..f3e4851 100644
--- a/data_analysis/02-3_oracle_workflow_test.py
+++ b/data_analysis/02-3_oracle_workflow_test.py
@@ -23,7 +23,6 @@ from umbreit import db, types
 # types = importlib.reload(types)
 # db = importlib.reload(db)
 
-
 # %%
 p_cfg = io.search_file_iterative(
     starting_path=Path.cwd(),
@@ -61,7 +60,7 @@ def set_fetch_sizes(conn, cursor, statement, parameters, context, executemany):
 ########### RESULTS ###########
 # temporary
 res_engine = sql.create_engine("sqlite://")
-db.metadata.create_all(res_engine, tables=(db.results,))
+db.metadata.create_all(res_engine, tables=(db.results_local,))
 
 
 # %%
@@ -70,13 +69,13 @@ def delete_results(
     res_engine: sql.Engine,
 ) -> None:
     with res_engine.begin() as conn:
-        res = conn.execute(sql.delete(db.results))
+        res = conn.execute(sql.delete(db.results_local))
 
     print("Rows deleted: ", res.rowcount)
 
 
 delete_results(res_engine)
-stmt = sql.select(db.results.c.bedarf_nr, db.results.c.bedarf_sequenz)
+stmt = sql.select(db.results_local.c.bedarf_nr, db.results_local.c.bedarf_sequenz)
 with res_engine.connect() as conn:
     res = conn.execute(stmt)
     print(res.all())
@@ -173,9 +172,9 @@ df_order
 
 # %%
 # df.select(pl.col("BEDP_MENGE_BEDARF").is_null().sum())
-print(f"Query duration: {elapsed:.4f} sec")
-print("Number of entries: ", len(df))
-print(f"Estimated size in memory: {df.estimated_size(unit='mb')} MB")
+# print(f"Query duration: {elapsed:.4f} sec")
+# print("Number of entries: ", len(df))
+# print(f"Estimated size in memory: {df.estimated_size(unit='mb')} MB")
 
 # %%
 # try title_info parsing
@@ -202,10 +201,10 @@ stmt = sql.select(
     db.ext_bedpbed.c.BEDP_TITELNR,
     db.ext_bedpbed.c.BEDP_MAN,
     db.ext_bedpbed.c.BEDP_MENGE_BEDARF_VM,
-    sql.case(
-        (db.ext_bedpbed.c.BEDP_MENGE_BEDARF_VM <= -1, sql.null()),
-        else_=db.ext_bedpbed.c.BEDP_MENGE_BEDARF_VM,
-    ).label("BEDP_MENGE_BEDARF_VM"),
+    # sql.case(
+    #     (db.ext_bedpbed.c.BEDP_MENGE_BEDARF_VM <= -1, sql.null()),
+    #     else_=db.ext_bedpbed.c.BEDP_MENGE_BEDARF_VM,
+    # ).label("BEDP_MENGE_BEDARF_VM"),
     db.ext_titel_info.c.MELDENUMMER,
     db.ext_titel_info.c.VERLAGSNR,
     db.ext_titel_info.c.MENGE_VORMERKER,
@@ -227,11 +226,17 @@ print(f"Estimated size in memory: {df.estimated_size(unit='mb')} MB")
 # %%
 df.head()
 
+# %%
+temp = df.with_columns(
+    pl.col.BEDP_MENGE_BEDARF_VM.fill_null(0),
+)
+temp.filter(pl.col.BEDP_MENGE_BEDARF_VM < 0)
+
 # %%
 # // NO LIVE DATA NEEDED
 # SAVING/LOADING
-p_save = Path.cwd() / "raw_data_from_sql_query_20260115-altered_query.arrow"
-# p_save = Path.cwd() / "raw_data_from_sql_query_20251203-2.arrow"
+# p_save = Path.cwd() / "raw_data_from_sql_query_20260115-altered_query.arrow"
+p_save = Path.cwd() / "raw_data_from_sql_query_20260116-1.arrow"
 # df.write_ipc(p_save)
 df = pl.read_ipc(p_save)
 # %%
@@ -373,7 +378,6 @@ df_diff_VM_bedp_tinfo = df.filter(pl.col("BEDP_MENGE_BEDARF_VM") > pl.col("MENGE
 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"?
@@ -396,8 +400,12 @@ print(len(df.filter(pl.col("MELDENUMMER") == 18)))
 # df.filter(pl.col("MELDENUMMER") == 18).filter((pl.col("BEDP_MENGE_BEDARF_VM").is_not_null()) & (pl.col("BEDP_MENGE_BEDARF_VM") > 0))
 # %%
 # VM_CRITERION = "MENGE_VORMERKER"
-VM_CRITERION = "BEDP_MENGE_BEDARF_VM"
-MANDANT_CRITERION = "BEDP_MAN"
+VM_CRITERION: typing.Final[str] = "BEDP_MENGE_BEDARF_VM"
+MANDANT_CRITERION: typing.Final[str] = "BEDP_MAN"
+ORDER_QTY_CRIT: typing.Final[str] = "BEDP_MENGE_BEDARF_VM"
+RESULT_COLUMN_ORDER: typing.Final[tuple[str, ...]] = tuple(
+    db.EXT_DOPT_ERGEBNIS.columns.keys()
+)
 
 
 def get_starting_date(
@@ -435,10 +443,55 @@ def get_raw_data() -> pl.DataFrame:
     )
 
 
-# def get_empty_pipeline_result(
-#     data: pl.DataFrame,
-# ) -> PipelineResult:
-#     return PipelineResult(data)
+def save_tmp_data(df: pl.DataFrame) -> None:
+    with engine.begin() as conn:
+        conn.execute(sql.delete(db.tmp_data))
+
+    with engine.begin() as conn:
+        conn.execute(sql.insert(db.tmp_data), df.to_dicts())
+
+
+def get_tmp_data() -> pl.DataFrame:
+    return pl.read_database(
+        sql.select(db.tmp_data),
+        engine,
+        schema_overrides=db.tmp_data_schema_map,
+    )
+
+
+def get_result_data() -> pl.DataFrame:
+    return pl.read_database(
+        sql.select(db.EXT_DOPT_ERGEBNIS),
+        engine,
+        schema_overrides=db.results_schema_map,
+    )
+
+
+def save_result_data(results: pl.DataFrame) -> None:
+    with engine.begin() as conn:
+        conn.execute(sql.insert(db.EXT_DOPT_ERGEBNIS), results.to_dicts())
+
+
+def clear_result_data() -> None:
+    with engine.begin() as conn:
+        conn.execute(sql.delete(db.EXT_DOPT_ERGEBNIS))
+
+
+def save_result_data_native(results: pl.DataFrame) -> None:
+    results = results.with_columns(
+        [
+            pl.when(pl.col(c)).then(pl.lit("Y")).otherwise(pl.lit("N")).alias(c)
+            for c in results.select(cs.boolean()).columns
+        ]
+    )
+    stmt = """
+    INSERT INTO "EXT_DOPT_ERGEBNIS" ("BEDARF_NR", "BEDARF_SEQUENZ", "VORLAGE", "WF_ID", "BEST_MENGE", "FREIGABE_AUTO") 
+    VALUES (:1, :2, :3, :4, :5, :6)
+    """
+    with engine.begin() as conn:
+        raw_conn = conn.connection.connection
+        with raw_conn.cursor() as cursor:
+            cursor.executemany(stmt, tmp.to_pandas(use_pyarrow_extension_array=True))
 
 
 def _apply_several_filters(
@@ -469,7 +522,7 @@ class PipelineResult:
     ) -> None:
         self._open = data
         schema = db.results_schema_map.copy()
-        del schema["id"]
+        del schema["ID"]
         self._results = pl.DataFrame(schema=schema)
 
         schema = {}
@@ -511,7 +564,12 @@ class PipelineResult:
         self,
         data: pl.DataFrame,
     ) -> None:
-        self._results = pl.concat([self._results, data])
+        print(self._results)
+        res = pl.concat([self._results, data])
+        # self._results = res.with_columns(
+        #     (pl.arange(0, res.height) + 1).alias("ID").cast(db.results_schema_map["ID"])
+        # )
+        self._results = res
 
     def merge_pipeline(
         self,
@@ -528,29 +586,28 @@ class PipelineResult:
         freigabe_auto: types.Freigabe,
         is_out: bool,
     ) -> None:
-        # TODO move to other position
-        ORDER_QTY_CRIT: typing.Final[str] = "BEDP_MENGE_BEDARF_VM"
-
-        results = data.rename(db.map_to_result)
+        results = data.rename(db.map_data_to_result)
+        # TODO rework because it is not WF-agnostic
         order_qty_expr: pl.Expr
         if is_out:
             order_qty_expr = (
                 pl.lit(0)
                 .alias("ORDER_QTY_CRIT")
-                .alias("best_menge")
-                .cast(db.results_schema_map["best_menge"])
+                .alias("BEST_MENGE")
+                .cast(db.results_schema_map["BEST_MENGE"])
             )
         else:
             order_qty_expr = pl.col(ORDER_QTY_CRIT).alias("best_menge")
 
         results = results.with_columns(
             [
-                pl.lit(vorlage).alias("vorlage").cast(db.results_schema_map["vorlage"]),
-                pl.lit(wf_id).alias("wf_id").cast(db.results_schema_map["wf_id"]),
+                # pl.lit(0).alias("ID").cast(db.results_schema_map["ID"]),
+                pl.lit(vorlage).alias("VORLAGE").cast(db.results_schema_map["VORLAGE"]),
+                pl.lit(wf_id).alias("WF_ID").cast(db.results_schema_map["WF_ID"]),
                 order_qty_expr,
                 pl.lit(freigabe_auto.value)
-                .alias("freigabe_auto")
-                .cast(db.results_schema_map["freigabe_auto"]),
+                .alias("FREIGABE_AUTO")
+                .cast(db.results_schema_map["FREIGABE_AUTO"]),
             ]
         )
         results = results.drop(
@@ -564,6 +621,9 @@ class PipelineResult:
                 "MANDFUEHR",
             ]
         )
+        # results = results.select(RESULT_COLUMN_ORDER)
+        print(results)
+        print("####################")
 
         self._subtract_data(data)
         self._add_results(results)
@@ -854,7 +914,7 @@ def wf100_petersen_wdb_sub1(
 
 # %%
 # SAVING/LOADING
-p_save = Path.cwd() / "raw_data_from_sql_query_20260114-1.arrow"
+p_save = Path.cwd() / "raw_data_from_sql_query_20260116-1.arrow"
 df = pl.read_ipc(p_save)
 print(f"Number of entries: {len(df)}")
 
@@ -911,6 +971,61 @@ print(f"Number of entries open data: {len(pipe_res.open):>10}")
 
 # %%
 pipe_res.results
+
+# %%
+# // test result writing
+res = pipe_res.results.clone()
+res.height
+
+
+# %%
+# %%
+
+
+# %%
+save_result_data(res)
+get_result_data()
+# %%
+clear_result_data()
+# %%
+get_result_data()
+
+# %%
+stmt = sql.text("TRUNCATE TABLE EXT_DOPT_ERGEBNIS")
+
+with engine.begin() as conn:
+    conn.exec_driver_sql("TRUNCATE TABLE UMB.EXT_DOPT_ERGEBNIS")
+
+# %%
+stmt = sql.insert(db.EXT_DOPT_ERGEBNIS)
+print(stmt.compile(engine))
+
+# %%
+engine.dispose()
+
+# %%
+
+
+# %%
+t1 = time.perf_counter()
+save_result_data(res)
+t2 = time.perf_counter()
+print(f"Elapsed: {t2 - t1}")
+# %%
+get_result_data()
+# %%
+clear_result_data()
+get_result_data()
+# %%
+t1 = time.perf_counter()
+raw_input(res)
+t2 = time.perf_counter()
+print(f"Elapsed: {t2 - t1}")
+# %%
+
+
+# %%
+
 # raw_data.filter(pl.col("BEDARFNR") == 166982).filter(pl.col("BEDP_SEQUENZ") == 1)
 # %%
 # pipe_res.open.filter(pl.col("BEDP_MENGE_BEDARF_VM") > pl.col("MENGE_VORMERKER"))
@@ -946,9 +1061,6 @@ raw_data.filter(pl.col("BEDARFNR") == 922160).filter(pl.col("BEDP_SEQUENZ") == 3
 # %%
 raw_data.head()
 
-# %%
-filt_out
-
 
 # %%
 # ---------------------------------------------------------------------------- #
diff --git a/data_analysis/queries.sql b/data_analysis/queries.sql
index a1af327..3107a65 100644
--- a/data_analysis/queries.sql
+++ b/data_analysis/queries.sql
@@ -259,4 +259,4 @@ ORDER BY view_name;
 
 -- DESC all_views;
 DESC EXT_DOPT_ERGEBNIS;
-SELECT * FROM v$version;d-opt
\ No newline at end of file
+SELECT * FROM v$version;
\ No newline at end of file
diff --git a/src/umbreit/db.py b/src/umbreit/db.py
index 946e96e..dc5299a 100644
--- a/src/umbreit/db.py
+++ b/src/umbreit/db.py
@@ -6,6 +6,30 @@ from umbreit.types import PolarsNullValues, PolarsSchema
 
 metadata = sql.MetaData()
 
+
+class OracleBoolean(sql.types.TypeDecorator):
+    impl = sql.VARCHAR(1)
+    cache_ok = True
+
+    def process_bind_param(
+        self,
+        value: bool | None,
+        dialect,
+    ) -> str | None:
+        if value is None:
+            return None
+        return "Y" if value else "N"
+
+    def process_result_value(
+        self,
+        value: sql.VARCHAR | None,
+        dialect,
+    ) -> bool | None:
+        if value is None:
+            return None
+        return value == "Y"
+
+
 ext_bedpbed = Table(
     "ext_bedpbed",
     metadata,
@@ -153,41 +177,7 @@ EXT_AUFPAUF_schema_map: PolarsSchema = {
 
 EXT_AUFPAUF_null_values: PolarsNullValues = {}
 
-csv_tables: tuple[tuple[Table, PolarsSchema, PolarsNullValues], ...] = (
-    (ext_bedpbed, ext_bedpbed_schema_map, ext_bedpbed_null_values),
-    (ext_titel_info, ext_titel_info_schema_map, ext_titel_info_null_values),
-    (EXT_AUFPAUF, EXT_AUFPAUF_schema_map, EXT_AUFPAUF_null_values),
-    (EXT_BESPBES_INFO, EXT_BESPBES_INFO_schema_map, EXT_BESPBES_INFO_null_values),
-)
-
-results = Table(
-    "results",
-    metadata,
-    Column("id", sql.Integer, nullable=False, primary_key=True, autoincrement=True),
-    Column("bedarf_nr", sql.Integer, nullable=False),
-    Column("bedarf_sequenz", sql.Integer, nullable=False),
-    Column("vorlage", sql.Boolean, nullable=False),
-    Column("wf_id", sql.Integer, nullable=False),
-    Column("best_menge", sql.Integer, nullable=True),
-    Column("freigabe_auto", sql.Boolean, nullable=False),
-)
-
-results_schema_map: PolarsSchema = {
-    "id": pl.UInt32,
-    "bedarf_nr": pl.UInt32,
-    "bedarf_sequenz": pl.UInt32,
-    "vorlage": pl.Boolean,
-    "wf_id": pl.UInt16,
-    "best_menge": pl.UInt32,
-    "freigabe_auto": pl.Boolean,
-}
-
-
-map_to_result: dict[str, str] = {
-    "BEDARFNR": "bedarf_nr",
-    "BEDP_SEQUENZ": "bedarf_sequenz",
-}
-
+# // queries and temp data
 raw_data_query_schema_map: PolarsSchema = {
     "BEDARFNR": pl.UInt32,
     "BEDP_SEQUENZ": pl.UInt32,
@@ -199,3 +189,75 @@ raw_data_query_schema_map: PolarsSchema = {
     "MENGE_VORMERKER": pl.UInt32,
     "MANDFUEHR": pl.UInt8,
 }
+
+tmp_data = Table(
+    "EXT_TMP_BEDP_TINFO",
+    metadata,
+    Column("BEDARFNR", sql.Integer, primary_key=True, autoincrement=False, nullable=False),
+    Column(
+        "BEDP_SEQUENZ", sql.Integer, primary_key=True, autoincrement=False, nullable=False
+    ),
+    Column("BEDP_TITELNR", sql.Integer, nullable=False),
+    Column("BEDP_MAN", sql.Integer, nullable=False),
+    Column("BEDP_MENGE_BEDARF_VM", sql.Integer, nullable=True),
+    Column("MELDENUMMER", sql.Integer, nullable=False),
+    Column("VERLAGSNR", sql.Integer, nullable=False),
+    Column("MENGE_VORMERKER", sql.Integer, nullable=True),
+    Column("MANDFUEHR", sql.Integer, primary_key=True, autoincrement=False, nullable=False),
+)
+
+tmp_data_schema_map = raw_data_query_schema_map
+
+csv_tables: tuple[tuple[Table, PolarsSchema, PolarsNullValues], ...] = (
+    (ext_bedpbed, ext_bedpbed_schema_map, ext_bedpbed_null_values),
+    (ext_titel_info, ext_titel_info_schema_map, ext_titel_info_null_values),
+    (EXT_AUFPAUF, EXT_AUFPAUF_schema_map, EXT_AUFPAUF_null_values),
+    (EXT_BESPBES_INFO, EXT_BESPBES_INFO_schema_map, EXT_BESPBES_INFO_null_values),
+)
+
+# ** results
+# ** Umbreit
+EXT_DOPT_ERGEBNIS = Table(
+    "EXT_DOPT_ERGEBNIS",
+    metadata,
+    Column("ID", sql.Integer, nullable=False, primary_key=True, autoincrement=True),
+    Column("BEDARF_NR", sql.Integer, nullable=False),
+    Column("BEDARF_SEQUENZ", sql.Integer, nullable=False),
+    Column("VORLAGE", OracleBoolean, nullable=False),
+    Column("WF_ID", sql.Integer, nullable=False),
+    Column("BEST_MENGE", sql.Integer, nullable=True),
+    Column("FREIGABE_AUTO", OracleBoolean, nullable=False),
+)
+
+
+results_schema_map: PolarsSchema = {
+    "ID": pl.UInt64,
+    "BEDARF_NR": pl.UInt32,
+    "BEDARF_SEQUENZ": pl.UInt32,
+    "VORLAGE": pl.Boolean,
+    "WF_ID": pl.UInt16,
+    "BEST_MENGE": pl.UInt32,
+    "FREIGABE_AUTO": pl.Boolean,
+}
+
+map_data_to_result: dict[str, str] = {
+    "BEDARFNR": "BEDARF_NR",
+    "BEDP_SEQUENZ": "BEDARF_SEQUENZ",
+}
+
+# ** local
+results_local = Table(
+    "results",
+    metadata,
+    Column("id", sql.Integer, nullable=False, primary_key=True, autoincrement=True),
+    Column("bedarf_nr", sql.Integer, nullable=False),
+    Column("bedarf_sequenz", sql.Integer, nullable=False),
+    Column("vorlage", sql.Boolean, nullable=False),
+    Column("wf_id", sql.Integer, nullable=False),
+    Column("best_menge", sql.Integer, nullable=True),
+    Column("freigabe_auto", sql.Boolean, nullable=False),
+)
+
+results_local_schema_map: PolarsSchema = {
+    k.lower(): v for (k, v) in results_schema_map.items()
+}
diff --git a/src/umbreit/types.py b/src/umbreit/types.py
index 1058920..5113e99 100644
--- a/src/umbreit/types.py
+++ b/src/umbreit/types.py
@@ -30,3 +30,4 @@ class Freigabe(enum.Enum):
     WF_200 = False
     WF_900 = False
     WF_910 = False
+    OPEN = False