Write a short note on an ERD
Write a short note on an ERD?
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An ERD is a full logical presentation of the data for an organization and association. The ERD comprises attributes, entities, cardinalities, and relationships. An ERD is the mechanism there an entity-relationship model is displayed.
How would the developer describe variable by using referential data types?
Demonstrate some of the techniques which can be employed to tune operational performance?
Give a brief introduction of the term universe in SQL? Brief explain the kinds of universes in business objects?
States the term Global temporary.
Explain about the Active and Passive Stage?
Explain the Scope of Analysis?
Explain some of the ETL Tools?
Illustrate the difference between the data warehousing and OLAP?
Explain the stored procedure in the Teradata?
Describe the relationship among entity, entity class, and entity instance.
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