December 2017
Beginner to intermediate
264 pages
5h 38m
English
Content preview from Learning Google BigQuery
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Commenting in BigQuery SQL
BigQuery supports the following format for commenting code. The following is an example of single-line commenting, where anything from the start, to the end of that line is ignored when executing the query:
#legacySQLSELECT repo_name, --repository name language.name --programming languageFROM [bigquery-public-data:github_repos.languages]
A multi-line comment is specified by enclosing the text within /* */, as shown in this query:
#legacySQL/*This query will return the repository name and the programming languages used in the repository.*/SELECT repo_name, --repository name language.name --programming languageFROM [bigquery-public-data:github_repos.languages]
The SQL language includes about 10 main commands; ...
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