Changes between Version 22 and Version 23 of Normalization


Ignore:
Timestamp:
09/25/25 01:19:36 (3 weeks ago)
Author:
226026
Comment:

--

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  • Normalization

    v22 v23  
    38388. {{{ thread_id -> repo_url, project_title }}}
    3939
    40 9. {{{ {thread_id, user_id } -> asc_started_at, asc_ended_at }}}
     409. {{{ {thread_id, user_id, asc_started_at } -> asc_ended_at }}}
    4141
    424210. {{{ channel_id ->  channel_name,channel_description}}} 
     
    7272
    7373> **LHS**:
    74 >> {{{ submission_id,blacklisted_start_date, msg_send_at,pr_id,tag_name,perm_name,blacklisted_about_user, channel_id}}}
     74>> {{{ submission_id,blacklisted_start_date, msg_send_at,pr_id,tag_name,perm_name,blacklisted_about_user, channel_id, asc_started_at}}}
    7575
    7676> **RHS**:
    77 >> {{{ description, password, registered_at, email, sex,is_active,name, feedback_submission_type, feedback_created_at, feedback_description, submission_status, submission_created_at, submission_description,blacklisted_end_date, reason, tag_name,thread_created_at, thread_content, guidelines,repo_url, asc_started_at, channel_description, perm_name, pr_override_type, msg_content, channel_name }}}
     77>> {{{ description, password, registered_at, email, sex,is_active,name, feedback_submission_type, feedback_created_at, feedback_description, submission_status, submission_created_at, submission_description,blacklisted_end_date, reason, tag_name,thread_created_at, thread_content, guidelines,repo_url, channel_description, perm_name, pr_override_type, msg_content, channel_name }}}
    7878
    7979> **LHS & RHS**:
     
    337337Единствена ФЗ присутна во оваа релациja е:
    338338
    339 {{{{thread_id,user_id} -> asc_started_at, asc_ended_at}}}
     339{{{{thread_id,user_id, asc_started_at} -> asc_ended_at}}}
    340340
    341341**R8** е веќе во BCNF, заради тоа што единствената ФЗ го вклучува суперклучот и нема транзитивни зависности.