IN (NULL)在Postgres，SQL Server，Oracle，MariaDB，MySQL和SQLite中应该没问题。至少我无法在SQL
Fiddle或db <> fiddle上产生任何错误。
设置：
CREATE TABLE a (a varchar(1));INSERT INTO a (a) VALUES ('a');SELECt * FROM a WHERe a IN (NULL);Fiddle或db <> fiddle上产生任何错误。
IN (NULL)在Postgres，SQL Server，Oracle，MariaDB，MySQL和SQLite中应该没问题。至少我无法在SQL
设置：
CREATE TABLE a (a varchar(1));INSERT INTO a (a) VALUES ('a');SELECt * FROM a WHERe a IN (NULL);名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
