Fix broken URLs in BigQuery documentation
@@ -35,7 +35,7 @@ that should generally lead to better read performance:
**Column Filtering**
The new API allows column filtering to only read the data you are interested in.
- `Backed by a columnar datastore <https://cloud.google.com/blog/big-data/2016/04/inside-capacitor-bigquerys-next-generation-columnar-storage-format>`_,
+ `Backed by a columnar datastore <https://cloud.google.com/blog/products/bigquery/inside-capacitor-bigquerys-next-generation-columnar-storage-format>`_,
it can efficiently stream data without reading all columns.
**Dynamic Sharding**
@@ -43,7 +43,7 @@ that should generally lead to better read performance:
The API rebalances records between readers until they all complete. This means
that all Map phases will finish nearly concurrently. See this blog article on
`how dynamic sharding is similarly used in Google Cloud Dataflow
- <https://cloud.google.com/blog/big-data/2016/05/no-shard-left-behind-dynamic-work-rebalancing-in-google-cloud-dataflow>`_.
+ <https://cloud.google.com/blog/products/gcp/no-shard-left-behind-dynamic-work-rebalancing-in-google-cloud-dataflow>`_.
Requirements
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