Create BigLake: Qwik Start

BigLake: Qwik Start

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+bq mk --connection --location=US --project_id=$DEVSHELL_PROJECT_ID \
+    --connection_type=CLOUD_RESOURCE my-connection
+SERVICE_ACCOUNT_ID=$(bq show --format=json --connection $DEVSHELL_PROJECT_ID.US.my-connection | jq -r '.cloudResource.serviceAccountId')
+gcloud projects add-iam-policy-binding $DEVSHELL_PROJECT_ID --member="serviceAccount:$SERVICE_ACCOUNT_ID" --role="roles/storage.objectViewer"
+bq mk demo_dataset
+bq mkdef --source_format=CSV --autodetect=true \
+  gs://$DEVSHELL_PROJECT_ID/customer.csv > mytable_def
+bq mk --table --external_table_definition=mytable_def \
+  demo_dataset.biglake_table
+bq mkdef --source_format=CSV --autodetect=true \
+  gs://$DEVSHELL_PROJECT_ID/invoice.csv > mytable_deff
+bq mk --table --external_table_definition=mytable_deff \
+  demo_dataset.external_table
+bq mkdef \
+--autodetect \
+--connection_id=$DEVSHELL_PROJECT_ID.US.my-connection \
+--source_format=CSV \
+"gs://$DEVSHELL_PROJECT_ID/invoice.csv" > /tmp/tabledef.json
+bq show --schema --format=prettyjson  demo_dataset.external_table > /tmp/schema
+bq update --external_table_definition=/tmp/tabledef.json --schema=/tmp/schema demo_dataset.external_table