Rencana Kueri BigQuery
Di BigQuery, rencana kueri disediakan untuk kueri yang telah dieksekusi. Memahami rencana kueri dapat mengarah pada optimisasi kueri lebih lanjut.
Mari kita eksekusi SQL berikut di BigQuery:
SELECT
subject AS subject,
COUNT(*) AS num_duplicates
FROM
`bigquery-public-data.github_repos.commits`
GROUP BY
subject
ORDER BY
num_duplicates DESC
LIMIT 10
;
Dengan mengklik tombol "EXECUTION DETAILS", Anda dapat meninjau rencana kueri.
BQ Visualizer
Dengan menggunakan BQ Visualizer, Anda dapat memvisualisasikan hasil eksekusi SQL, termasuk rencana kueri BigQuery dan penggunaan Slot.
Kunjungi https://bqvisualiser.appspot.com/ dan klik tombol "Login" untuk melakukan otentikasi.
Setelah otentikasi, masukkan ID proyek dan ID tugas, lalu klik tombol "GET".
Sekarang Anda dapat meninjau rencana kueri yang telah divisualisasikan.
Referensi
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