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.
Explain the Combined Query?
States the term Star Schema?
Explain the term iConv and oConv?
Explain the way to audit the SQL sent to the server.
Describes the difference between NULL and VOID pointers into Data Structures?
Illustrates the relationship between a queue and underlying array of data structure?
Give a brief differentiation between metadata and data dictionary?
When the collision and overlapping take place at same time, what will be the bucket size?
Explain the slowly changing dimensions?
What do you understand by the term ACID transaction in DBMS? Describe briefly?
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