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【多选题】
阅读下面代码: create table user( id varchar(32), name varchar(50) ); insert into user(name) values('jack'); 关于上述sql语句的描述,正确的是A.
执行当前sql语句将产生错误
B.
添加一个记录，name字段的值为jack
C.
添加一个记录，id字段的值为null
D.
添加一个记录，id字段的值为空串
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