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GCP-Bigquery

GCP-Bigquery- IFNULL() 和 NULLIF() 的区别和例子

NULLIF(expr, expr_to_match) BigQuery NULLIF() Description NULL is returned if expr = expr_to_match is true, otherwise, expr is returned. expr and expr ......
GCP-Bigquery Bigquery 例子 IFNULL NULLIF
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