摘要:
#--学生表 create table student( s_id vaechar(20), s_name vaechar(20) not NULL, s_birth vaechar(20) not NULL, s_sex vaechar(10) not NULL, constraint pk_student PRIMARY KEY (s_id)) #-... 阅读全文
posted @ 2019-07-09 15:12
aioverg
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摘要:
#--学生表 create table student( s_id vaechar(20), s_name vaechar(20) not NULL, s_birth vaechar(20) not NULL, s_sex vaechar(10) not NULL, constraint pk_student PRIMARY KEY (s_id)) #-... 阅读全文
posted @ 2019-07-09 15:10
aioverg
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