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Define blocks?
The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
why are older data models are being replaced by new data models
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
What are the two integrity rules? Ans: The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule. Entity Integrity Rule - If the attribute A of rel
You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -
What is view in SQL? How is it defined? Any relation that is not part of the logical model, but is made visible to a user as a virtual relation is known as a view. We descri
what do you mean by consistency in rdbms?
coventions for displaying an ER schema as ER diagram
Objectives differentiate DDBMS and conventional DBMS; Describe Network topology for DDBMS; Describe the concepts of horizontal and vertical fragmentation; Descr
Why do so various organizations use MySQL? Advantages: Open source Highly efficient Offers a high scalability in terms of size and connectivity. Highly prote
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