請在下面提供的查詢中找到我可以在Netezza中實現的查詢,如果沒有'id'連接,基於'名稱'的連接。如果滿足任何條件,則執行左外連接。 Select * from BigqueryTest.colors a
LEFT JOIN
BigqueryTest.color2 b
ON a.id = b.id
OR a.name = b.name ;
此功能在Bigquery中似乎不受支持。我
恰巧我有一個領域的字符串化的陣列中的BigQuery '["a","b","c"]'
,我想將它轉換爲BigQuery的理解數組。 我希望能夠做到這一點的標準SQL: with k as (select '["a","b","c"]' as x)
select x from k, unnest(x) x
我試圖JSON_EXTRACT('["a","b","c"]','$')和every
說我有一個表像這樣: ID Description
1 A popular place to eat!
1 A popular place to eat!!
1 A popular place to eat!!!
2 Lets go!
2 Everyone, Lets go!
而我只是想說明每個ID的一個,因爲他們不相關的方式不同: ID Description
1