diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65828fed5..97888f9ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -74,6 +74,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Simple interactive shell
 - Add pdf rag template
 - Updated llm_finetuning template
+- Add sql table length exceed limit and uuid truncation.
 
 #### Bug Fixes
 
diff --git a/plugins/ibis/superduper_ibis/db_helper.py b/plugins/ibis/superduper_ibis/db_helper.py
index 0a600daaf..21e7867f3 100644
--- a/plugins/ibis/superduper_ibis/db_helper.py
+++ b/plugins/ibis/superduper_ibis/db_helper.py
@@ -58,8 +58,7 @@ class DBHelper:
     """
 
     match_dialect = "base"
-    table_truncate = {'postgres': 63}
-    table_truncate_map = _KeyEqualDefaultDict()
+    truncates = {"postgres": {"column": 63, "table": 63}}
 
     def __init__(self, dialect):
         self.dialect = dialect
@@ -77,13 +76,19 @@ def process_before_insert(self, table_name, datas, conn):
 
         columns = conn.table(table_name).columns
         for column in datas.columns:
-            if conn.name in self.table_truncate:
-                n = self.table_truncate[conn.name]
+            if conn.name in self.truncates:
+                n = self.truncates[conn.name]["column"]
                 if len(column) > n:
-                    self.table_truncate_map[column[:n]] = column
-
-        columns = list(map(lambda x: self.table_truncate_map[x], columns))
+                    raise Exception(
+                        f"{conn.name} database has limit of {n} for column name."
+                    )
         datas = datas[columns]
+        if conn.name in self.truncates:
+            if len(table_name) > self.truncates[conn.name]["table"]:
+                raise Exception(
+                    f"{conn.name} database has limit of {n} for table name."
+                )
+
         return table_name, pd.DataFrame(datas)
 
     def process_schema_types(self, schema_mapping):
diff --git a/plugins/ibis/superduper_ibis/query.py b/plugins/ibis/superduper_ibis/query.py
index 1c7b0a4b3..ca137cf79 100644
--- a/plugins/ibis/superduper_ibis/query.py
+++ b/plugins/ibis/superduper_ibis/query.py
@@ -215,12 +215,6 @@ def _execute(self, parent, method="encode"):
             ) from e
 
         assert isinstance(output, pandas.DataFrame)
-        table_truncate_map = self.db.databackend.db_helper.table_truncate_map
-        columns = {}
-        for c in output.columns:
-            columns[c] = table_truncate_map[c]
-        output = output.rename(columns=columns)
-
         output = output.to_dict(orient="records")
         component_table = self.db.load('table', self.table)
         return SuperDuperCursor(
diff --git a/superduper/base/document.py b/superduper/base/document.py
index ce7815c8d..67f5b5d90 100644
--- a/superduper/base/document.py
+++ b/superduper/base/document.py
@@ -34,6 +34,7 @@
 ContentType = t.Union[t.Dict, Encodable]
 LeafMetaType = t.Type['Leaf']
 
+_VERSION_LIMIT = 1000
 # TODO is this used for anything?
 _LEAF_TYPES = {
     'component': Component,
@@ -640,6 +641,13 @@ def _deep_flat_decode(r, builds, getters: _Getters, db: t.Optional['Datalayer']
     return r
 
 
+def _check_if_version(x):
+    if x.isnumeric():
+        if int(x) < _VERSION_LIMIT:
+            return True
+    return False
+
+
 def _get_component(db, path):
     parts = path.split(':')
     if len(parts) == 1:
@@ -647,7 +655,7 @@ def _get_component(db, path):
     if len(parts) == 2:
         return db.load(type_id=parts[0], identifier=parts[1])
     if len(parts) == 3:
-        if not parts[2].isnumeric():
+        if not _check_if_version(parts[2]):
             return db.load(uuid=parts[2])
         return db.load(type_id=parts[0], identifier=parts[1], version=parts[2])
     raise ValueError(f'Invalid component reference: {path}')
diff --git a/superduper/base/leaf.py b/superduper/base/leaf.py
index 91d54ce80..958b587bb 100644
--- a/superduper/base/leaf.py
+++ b/superduper/base/leaf.py
@@ -119,7 +119,7 @@ def __new__(mcs, name, bases, namespace):
 
 def build_uuid():
     """Build UUID."""
-    return str(uuid.uuid4()).replace('-', '')
+    return str(uuid.uuid4()).replace('-', '')[:16]
 
 
 class Leaf(metaclass=LeafMeta):
diff --git a/test/configs/default.yaml b/test/configs/default.yaml
index 6551721ca..bebac24e7 100644
--- a/test/configs/default.yaml
+++ b/test/configs/default.yaml
@@ -1,4 +1,3 @@
-artifact_store: null
 data_backend: mongomock://test_db
 auto_schema: false
 force_apply: true