select cert_type, uesr_name, user_id, cert_id, issue_date, cert_name, course_name, course_hours, level, train_period, picture, user_phone, user_email, update_date, id from grad_table
insert into grad_table
cert_type,
uesr_name,
user_id,
cert_id,
issue_date,
cert_name,
course_name,
course_hours,
level,
train_period,
picture,
user_phone,
user_email,
update_date,
#{certType},
#{uesrName},
#{userId},
#{certId},
#{issueDate},
#{certName},
#{courseName},
#{courseHours},
#{level},
#{trainPeriod},
#{picture},
#{userPhone},
#{userEmail},
#{updateDate},
update grad_table
cert_type = #{certType},
uesr_name = #{uesrName},
user_id = #{userId},
cert_id = #{certId},
issue_date = #{issueDate},
cert_name = #{certName},
course_name = #{courseName},
course_hours = #{courseHours},
level = #{level},
train_period = #{trainPeriod},
picture = #{picture},
user_phone = #{userPhone},
user_email = #{userEmail},
update_date = #{updateDate},
where id = #{id}
delete from grad_table where id = #{id}
delete from grad_table where id in
#{id}