ER Diagram

erDiagram
TYPES_LIMIT {
NUMBER ID_TYPE_LIMIT PK
VARCHAR2 LIMIT_TYPE_NAME
}
LIMIT_INST {
NUMBER ID_LIMIT PK
NUMBER ID_TYPE_LIMIT FK
VARCHAR2 NAME_LIMIT
VARCHAR2 ORDER_LIMIT
DATE PERIOD_START
DATE PERIOD_END
DATE DATE_CREATED
DATE DATE_CHANGED
VARCHAR2 USERNAME
}
TARGETS_LIMIT {
NUMBER TARGET_LIMIT PK
NUMBER ID_LIMIT FK
VARCHAR2 TARGET_TYPE
NUMBER ID_ARTICLE_TYPE
NUMBER ID_ART
VARCHAR2 PERIOD_MODE
}
OPTIONS_LIMIT {
NUMBER ID_OPTION PK
NUMBER ID_LIMIT FK
VARCHAR2 KEY_OPTION
VARCHAR2 VALUE_OPTION
}
LIMIT_INST }o--|| TYPES_LIMIT : "принадлежит"
TARGETS_LIMIT }o--|| LIMIT_INST : "относится к"
OPTIONS_LIMIT }o--|| LIMIT_INST : "относится к"