Added exposeSystemTables limitation to documentation of DuckDB and Bi…

…gQuery
ontop · Aug 22, 2023 · 50bb475 · 50bb475
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diff --git a/guide/databases/bigquery.md b/guide/databases/bigquery.md
@@ -15,6 +15,7 @@ We recommend using [lenses](/guide/advanced/lenses) for this purpose.
 - The position counter in the [flatten lens](/guide/advanced/lenses#flattenlens) starts counting at 0 instead of 1 for BigQuery.
 - Accessing struct fields with the "dot operator" is not supported (see below).
 - In BigQuery, columns of the type `ARRAY<ARRAY<T>>` are not supported. Use `ARRAY<STRUCT<ARRAY<T>>>` instead.
+- The Ontop option `ontop.exposeSystemTables` is not supported for BigQuery, as the JBDC does not allow us to access system tables.
 
 ## Database Connection
 

diff --git a/guide/databases/duckdb.md b/guide/databases/duckdb.md
@@ -9,6 +9,7 @@ Through the [DuckDB](https://duckdb.org) connector, Ontop is able to construct V
 - Setting a default schema is not supported when connecting to DuckDB.
 - Nested data types are only supported starting from version 0.7 of DuckDB.
 - Accessing struct fields using the "dot operator" is not supported.
+- The Ontop option `ontop.exposeSystemTables` is not supported for DuckDB, as the JBDC does not allow us to access system tables.
 
 ## Database Connection