BigQuery and Cloud Bigtable are not the same. Bigtable is a Hadoop based NoSQL database whereas BigQuery is a SQL based datawarehouse. They have specific usage scenarios.
In very short and simple terms;
- If you don’t require support for ACID transactions or if your data is not highly structured, consider Cloud Bigtable.
- If you need interactive querying in an online analytical processing (OLAP) system, consider BigQuery.
