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lj_course_support_relation.md
lj_course_support_relation.md
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lj_course_support_relation table structure
此表为课程与周边的对应关系的数据结构
field
type
null
default
desc
extra
id
bigint
no
主键
pri
c_code
varchar(512)
no
课程编码
s_code
varchar(512)
no
周边编码
create_time
smallint
no
now
创建时间
index
unique index on(c_code, s_code)