Toad Data Modeler - HTML Report

Relationship 'rel_answer_logs'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_answers
Child entity	tce_tests_logs_answers

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	RESTRICT
Child	NONE	NONE	----

Keys

Parent key	Child key
answer_id	logansw_answer_id

Description

Several answers can be combined for a single multiple-choice question.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_group_test'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_user_groups
Child entity	tce_testgroups

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
group_id	tstgrp_group_id

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_group_user'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_user_groups
Child entity	tce_usrgroups

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
group_id	usrgrp_group_id

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_question_answers'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_questions
Child entity	tce_answers

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
question_id	answer_question_id

Description

Each multiple-choice question can have an unlimited number of alternative answers.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_question_logs'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_questions
Child entity	tce_tests_logs

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	RESTRICT
Child	NONE	NONE	----

Keys

Parent key	Child key
question_id	testlog_question_id

Description

Each test-log is relative to one question.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_set_subjects'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_test_subject_set
Child entity	tce_test_subjects

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	RESTRICT	RESTRICT
Child	NONE	NONE	----

Keys

Parent key	Child key
tsubset_id	subjset_tsubset_id

Description

A set may contain one or more subjects.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_subject_author'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_users
Child entity	tce_subjects

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
user_id	subject_user_id

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_subject_questions'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_subjects
Child entity	tce_questions

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
subject_id	question_subject_id

Description

Each subject (topic) can have an unlimited number of questions.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_subject_set'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_subjects
Child entity	tce_test_subjects

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	RESTRICT
Child	NONE	NONE	----

Keys

Parent key	Child key
subject_id	subjset_subject_id

Description

Several topics may be combined in a set of subjects.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_test_author'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_users
Child entity	tce_tests

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
user_id	test_user_id

Description

User ID of the author of the test.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_test_group'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_tests
Child entity	tce_testgroups

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
test_id	tstgrp_test_id

Description

A test could be executed by one or more groups of users.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_test_subjset'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_tests
Child entity	tce_test_subject_set

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
test_id	tsubset_test_id

Description

Each test may contain one or more set of subjects.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_test_users'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_tests
Child entity	tce_tests_users

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	RESTRICT	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
test_id	testuser_test_id

Description

Each test can be executed by an unlimited number of users.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_testlog_answers'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_tests_logs
Child entity	tce_tests_logs_answers

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
testlog_id	logansw_testlog_id

Description

Each multiple-choice question can have several alternative answers.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_testuser_logs'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_tests_users
Child entity	tce_tests_logs

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
testuser_id	testlog_testuser_id

Description

Each user-test can contain an unlimited number of questions.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_user_group'

General info

Relationship type	identifying	Cardinality	1:N
Parent entity	tce_users
Child entity	tce_usrgroups

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
user_id	usrgrp_user_id

Description

Users may belong to none, one, or many groups.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'rel_user_tests'

General info

Relationship type	non-identifying	Cardinality	1:N
Parent entity	tce_users
Child entity	tce_tests_users

Partiality

Parent	mandatory
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	NONE	CASCADE
Child	NONE	NONE	----

Keys

Parent key	Child key
user_id	testuser_user_id

Description

Each user may execute several tests.

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No

Relationship 'session_data'

General info

Relationship type	informative	Cardinality	1:N
Parent entity	tce_users
Child entity	tce_sessions

Partiality

Parent	optional
Child	optional

Referential integrity

	Insert	Update	Delete
Parent	----	RESTRICT	RESTRICT
Child	NONE	NONE	----

Keys

Parent key	Child key
user_id	???

Description

Some user's information (id, level,...) are stored as serialized data on tce_sessions.cpsession_data field

User-defined variables

Name	Value
Match Type	Default
Deferrable (Deferre constraint to the end of the transaction)	No
Deferred (Check constraint at the end of the transaction)	No