题解 | 将所有to_date为9999-01-01的全部更新为NULL
将所有to_date为9999-01-01的全部更新为NULL
https://www.nowcoder.com/practice/859f28f43496404886a77600ea68ef59
update titles_test set to_date = NULL,from_date = '2001-01-01' where to_date = '9999-01-01';
将所有to_date为9999-01-01的全部更新为NULL
https://www.nowcoder.com/practice/859f28f43496404886a77600ea68ef59
update titles_test set to_date = NULL,from_date = '2001-01-01' where to_date = '9999-01-01';
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