diff --git a/documents/GDMS_DB_Design .txt b/documents/GDMS_DB_Design .txt
new file mode 100644
index 0000000..5cc8f24
--- /dev/null
+++ b/documents/GDMS_DB_Design .txt	
@@ -0,0 +1,135 @@
+id char 20
+password char 256
+name varchar 50
+e_mail_location varchar 50
+phonenumber varchar 30
+url varchar 256
+
+administrator
+    id
+    password
+    name
+    e_mail_location
+    phonenumber
+    
+
+profession_info
+    profession_code char 8
+    college varchar 256
+    department varchar 256
+    profession varchar 256
+
+student
+    id
+    password
+    name
+    e_mail_location
+    phonenumber
+    profession_code char 8
+    grade char 4
+
+teacher
+    id
+    password
+    name
+    e_mail_location
+    phonenumber
+    profession_code char 8
+    job_title varchar 256
+    education varchar 256
+
+
+graduation_design
+    id
+    student_id
+    teacher_id
+    chinese_name varchar 256
+    english_name varchar 256
+    type_of_topic char 3
+    source_of_design char 1
+    nature_of_design char 1
+    description_of_topic text
+    
+
+graduation_design_opening_report
+    id
+    opening_report_date date
+    opening_report_location varchar 256
+    opening_report_url 
+    opening_report_teacher_leader_team_id
+    opening_report_secretary_leader_team_id
+    estimated_word_count int
+
+graduation_design_opening_report_opinion_record
+    id
+    mentor_opinion text
+    mentor_opinion_date date
+    secretary_record text
+    secretary_record_date date
+    report_teacher_team_opinion text
+    report_teacher_team_opinion_date date
+    college_opinion text
+    college_opinion_date date
+
+opening_report_teacher_team
+    leader_teacher_id
+    teacher1_id
+    teacher2_id
+
+opening_report_secretary_team
+    leader_student_id
+    student1_id
+    student2_id
+
+graduation_design_finished_product
+    id
+    word_count int
+    final_date date
+    graduation_design_url
+    chinese_abstract text
+    chinese_key_words text
+    english_abstract text
+    english_key_words text
+
+
+graduation_design_finished_product_mentor_score
+    id
+
+graduation_design_finished_product_reviewer_score
+    id
+    score int
+    opinion text
+    reviewer_score_date date
+
+graduation_design_reply
+    id
+    reply_date date
+    reply_location varchar 256
+    reply_teacher_team_leader_id
+    reply_secretary_team_leader_id
+    
+graduation_design_reply_opinion_record_score
+    id
+    mentor_opinion text
+    mentor_opinion_date date
+    secretary_record text
+    secretary_record_date date
+    reply_teacher_team_opinion text
+    reply_teacher_team_score int
+    reply_teacher_team_opinion_date date
+    college_opinion text
+    college_score int
+    college_opinion_date date
+    school_opinion text
+    school_score int
+    school_opinion_date date
+
+reply_teacher_team
+    leader_teacher_id
+    teacher1_id
+    teacher2_id
+
+reply_secretary_team
+    leader_student_id
+    student1_id
+    student2_id