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updated the database diagrams

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This commit is contained in:
gustav_delius
2005-05-08 15:11:31 +00:00
parent bde0832a23
commit 14a02d9595
2 changed files with 63 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mod/quiz/backuplib.php
+31 -31
View File
@@ -11,46 +11,46 @@
// | |
// ------------------------------------------------------------------- |
// | | | | |.......................................
// | | | | | .
// | | | | | .
// quiz_attempts quiz_grades quiz_question_instances quiz_question_versions | ----quiz_question_datasets---- .
// (UL,pk->id, fk->quiz) (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) | | (CL,pk->id,fk->question, | .
// | | . | | fk->dataset_definition) | .
// | quiz_grades | quiz_question_versions | .
// | (UL,pk->id,fk->quiz) | (CL,pk->id,fk->quiz) | .
// | | . | ----quiz_question_datasets---- .
// quiz_attempts quiz_question_instances . | | (CL,pk->id,fk->question, | .
// (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz,question) . | | fk->dataset_definition) | .
// | | . | | | .
// | quiz_newest_states | . | | | .
// |----------------(UL,pk->id,fk->attempt)------ | . | | | .
// | . | . | | quiz_dataset_definitions
// | . | . | | (CL,pk->id,fk->category)
// | quiz_states | quiz_questions |
// -------------- (UL,pk->id,fk->attempt)--------------------------(CL,pk->id,fk->category,files) |
// | | quiz_dataset_items
// | | (CL,pk->id,fk->definition)
// | quiz_newest_states | . | | | .
// |---------(UL,pk->id,fk->attempt,question)-----| . | | | .
// | . | . | | quiz_dataset_definitions
// | . | . | | (CL,pk->id,fk->category)
// | quiz_states | quiz_questions |
// ----------(UL,pk->id,fk->attempt,question)--------------------------(CL,pk->id,fk->category,files) |
// | | quiz_dataset_items
// | | (CL,pk->id,fk->definition)
// --------- |
// | |
// quiz_rqp_states |
// (UL,pk->id,fk->stateid) | quiz_rqp_type
// | (SL,pk->id)
// | |
// (UL,pk->id,fk->stateid) | quiz_rqp_type
// | (SL,pk->id)
// | |
// -------------------------------------------------------------------------------------------------------------- |
// | | | | | | | quiz_rqp
// | | | | | | |--(CL,pk->id,fk->question)
// | | | | quiz_calculated | |
// quiz_truefalse | quiz_multichoice | (CL,pl->id,fk->question) | |
// (CL,pl->id,fk->question) | (CL,pl->id,fk->question) | . | | quiz_randomsamatch
// . | . | . | |--(CL,pl->id,fk->question)
// | | | | | | | quiz_rqp
// | | | | | | |--(CL,pk->id,fk->question)
// | | | | quiz_calculated | |
// quiz_truefalse | quiz_multichoice | (CL,pl->id,fk->question) | |
// (CL,pk->id,fk->question) | (CL,pk->id,fk->question) | . | | quiz_randomsamatch
// . | . | . | |--(CL,pk->id,fk->question)
// . quiz_shortanswer . quiz_numerical . quiz_multianswer. |
// . (CL,pl->id,fk->question) . (CL,pl->id,fk->question) . (CL,pl->id,fk->question) |
// . . . . . . | quiz_match
// . . . . . . |--(CL,pl->id,fk->question)
// . . . . . . | .
// . . . . . . | .
// . . . . . . | .
// . . . . . . | quiz_match_sub
// ........................................................................................ |--(CL,pl->id,fk->question)
// . (CL,pk->id,fk->question) . (CL,pk->id,fk->question) . (CL,pk->id,fk->question) |
// . . . . . . | quiz_match
// . . . . . . |--(CL,pk->id,fk->question)
// . . . . . . | .
// . . . . . . | .
// . . . . . . | .
// . . . . . . | quiz_match_sub
// ........................................................................................ |--(CL,pk->id,fk->question)
// . |
// . |
// . | quiz_numerical_units
// quiz_answers |--(CL,pl->id,fk->question)
// quiz_answers |--(CL,pk->id,fk->question)
// (CL,pk->id,fk->question)----------------------------------------------------------
//
// Meaning: pk->primary key field of the table
mod/quiz/restorelib.php
+32 -47
View File
@@ -11,67 +11,52 @@
// | |
// ------------------------------------------------------------------- |
// | | | | |.......................................
// | | | | | .
// | | | | | .
// quiz_attempts quiz_grades quiz_question_grades quiz_question_versions | ----quiz_question_datasets---- .
// (UL,pk->id, fk->quiz) (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) | | (CL,pk->id,fk->question, | .
// | | . | | fk->dataset_definition) | .
// | quiz_grades | quiz_question_versions | .
// | (UL,pk->id,fk->quiz) | (CL,pk->id,fk->quiz) | .
// | | . | ----quiz_question_datasets---- .
// quiz_attempts quiz_question_instances . | | (CL,pk->id,fk->question, | .
// (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz,question) . | | fk->dataset_definition) | .
// | | . | | | .
// | | . | | | .
// | | . | | | .
// quiz_responses | quiz_questions quiz_dataset_definitions
// (UL,pk->id, fk->attempt)----------------------------------------------------(CL,pk->id,fk->category,files) (CL,pk->id,fk->category)
// | |
// | |
// | |
// | quiz_dataset_items
// | (CL,pk->id,fk->definition)
// |
// |
// |.......................................
// | .
// quiz | .
// (CL,pk->id) | ----quiz_question_datasets---- .
// | | | (CL,pk->id,fk->question, | .
// |-------------------| | | fk->dataset_definition) | .
// quiz_grades | | | | .
// (UL,pk->id,fk->quiz) |---------------------| | | | .
// | | | | | .
// quiz_attempts | quiz_questions quiz_dataset_definitions
// (UL,pk->id,fk->quiz) | (CL,pk->id,fk->category,files) (CL,pk->id,fk->category)
// | |--------------------------------| |
// | quiz_question_instances | |
// | (CL,pk->id,fk->quiz,fk->question) | |
// | | | quiz_dataset_items
// |---------------------| | (CL,pk->id,fk->definition)
// quiz_states |
// (UL,pk->id, fk->attempt, fk->question_instance) |
// |
// --------------------------------------------------------------------------------------------------------------
// | | | | | | |
// | | | | | | |
// | | | | quiz_calculated | | quiz_randomsamatch
// quiz_truefalse | quiz_multichoice | (CL,pl->id,fk->question) | |--(CL,pl->id,fk->question)
// (CL,pl->id,fk->question) | (CL,pl->id,fk->question) | . | |
// . | . | . | |
// | quiz_newest_states | . | | | .
// |---------(UL,pk->id,fk->attempt,question)-----| . | | | .
// | . | . | | quiz_dataset_definitions
// | . | . | | (CL,pk->id,fk->category)
// | quiz_states | quiz_questions |
// ----------(UL,pk->id,fk->attempt,question)--------------------------(CL,pk->id,fk->category,files) |
// | | quiz_dataset_items
// | | (CL,pk->id,fk->definition)
// --------- |
// | |
// quiz_rqp_states |
// (UL,pk->id,fk->stateid) | quiz_rqp_type
// | (SL,pk->id)
// | |
// -------------------------------------------------------------------------------------------------------------- |
// | | | | | | | quiz_rqp
// | | | | | | |--(CL,pk->id,fk->question)
// | | | | quiz_calculated | |
// quiz_truefalse | quiz_multichoice | (CL,pl->id,fk->question) | |
// (CL,pk->id,fk->question) | (CL,pk->id,fk->question) | . | | quiz_randomsamatch
// . | . | . | |--(CL,pk->id,fk->question)
// . quiz_shortanswer . quiz_numerical . quiz_multianswer. |
// . (CL,pl->id,fk->question) . (CL,pl->id,fk->question) . (CL,pl->id,fk->question) | quiz_match
// . . . . . . |--(CL,pl->id,fk->question)
// . (CL,pk->id,fk->question) . (CL,pk->id,fk->question) . (CL,pk->id,fk->question) |
// . . . . . . | quiz_match
// . . . . . . |--(CL,pk->id,fk->question)
// . . . . . . | .
// . . . . . . | .
// . . . . . . | .
// . . . . . . | quiz_match_sub
// . . . . . . |--(CL,pl->id,fk->question)
// ........................................................................................ |
// ........................................................................................ |--(CL,pk->id,fk->question)
// . |
// . |
// . | quiz_numerical_units
// quiz_answers |--(CL,pl->id,fk->question)
// quiz_answers |--(CL,pk->id,fk->question)
// (CL,pk->id,fk->question)----------------------------------------------------------
//
// Meaning: pk->primary key field of the table
// fk->foreign key to link with parent
// nt->nested field (recursive data)
// SL->site level info
// CL->course level info
// UL->user level info
// files->table may have files