Uploaded by@yuzutas0 Yokoyama
ゆるやかにBigQuery（データ基盤）を安定活用するプラクティス集 #bq_sushi
The document discusses data warehousing using BigQuery on Google Cloud Platform. It includes sample SQL queries to select, transform, and load data from a source database into BigQuery tables. Specific tasks mentioned include masking email addresses, casting a string field to an integer, and handling null values.
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ゆるやかにBigQuery（データ基盤）を安定活用するプラクティス集 #bq_sushi
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- 54. 3 10 -SQL BigQuery - Google Cloud Platform Source Warehouse App IF
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- 70. SELECT id, comment FROM`source__db.view_table_*` WHERE accountId = 123456 Error: Cannot read field 'comment' of type STRING as INT64
- 71. bq query --allow_large_results--use_legacy_sql=false --replace -- destination_table {table} "SELECT a, b, c, CAST(d AS INT64) AS D, E, F FROM {table}”
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- 78. SELECT maskMailAddress, CASE WHEN commentIS NULL THEN NULL else QUOTE(comment) END AS comment, createdAt,
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