Occasionally one sees an entity-relationship diagram (ERD) having an unusual characteristic. The unusual element is an entity (or more than one) that seems to have a relationship with every other ...
In both deletes and updates there's an assumption that you have to retrieve the corresponding entity object from the database. With an update, you pull back the object so that you can set its ...
CA-DATACOM/DB is a database management system (DBMS). Databases are fully defined with CA-DATADICTIONARY. A CA-DATACOM/DB database consists of various entity-types, which can occur one or more times.