Entity relationship diagram and table definition english

ER Diagram vs Data Dictionary - Which is Better for Documenting Data Models

entity relationship diagram and table definition english

An entity-relationship diagram (ERD) is a data modeling technique that Entities are equivalent to database tables in a relational database, with each row of the. Steps in designing an ER schema. • Translation of an ER schema to tables. Dept. of Computer Science. UC Davis. 2. Entity-Relationship Model. An entity–relationship model (ER model for short) describes interrelated things of interest in a In a simple relational database implementation, each row of a table . Chen proposed the following "rules of thumb" for mapping natural language descriptions into ER diagrams: "English, Chinese and ER diagrams" by Peter.

Пистолет упал на пол.

entity relationship diagram and table definition english

Оба противника оказались на полу. Беккеру удалось оторваться от убийцы, и он рванулся к двери.

  • entity-relationship diagram (model)

Халохот шарил по полу, нащупывая пистолет.

Наконец он нашел его и снова выстрелил.