![]() ![]() Unfortunately, unless all the database learners gain a common understanding that reflects how the enterprise operates but the design you may produce will fail to meet the users' requirements. One of the most challenging phases of database design is the fact that designers, programmers, and end-users tend to view data and its use in various forms. ![]() ![]() These symbols have specific meaning and the data modeler has assigned the right symbols due to business rules.DBMS Tutorial DBMS Introduction Introduction to Database Database Environment Database Architecture Relation Data Model DBMS Data Schemas DBMS Data Independence Entity Relationship(ER) Model Generalization Aggregation Planning, Design and Administration Fact Finding Codd's 12 Rules for DBMS DBMS Relational Algebra DBMS Relational Calculus DBMS Database Languages Database Normalization DBMS Methodology (Conceptual) DBMS Methodology (Logical) DBMS Methodology (Physical) DBMS Transaction DBMS Query Distributed DBMS Database Replication Mobile Databases Transaction and Concurrency Control Data Recovery in DBMS Web-based Database Management System Database Security report this ad ![]() In The below ER diagram created from Erwin Data Modeling Tool by using Information Engineering (IE) notation, near to that department entity, one can see ZERO and ONE and near employee entity, ZERO AND ONE AND MORE.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |