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What is a view?
A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived from one or more tables.
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
Express the following queries in SQL: (a) Write the SQL code that will create ALL the four tables given in the appendix. Your answer should not contain the primary key and
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
The Form input elements are: Reporter name text type input Password
what is stracture of dabms
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
Describe sequential file organization. Explain the rules for (i) Inserting a new record. (ii) Deleting an existing record. Ans:A sequential f
vertical fragmentation
Define Deadlock avoidance These protocols as well ensure that the system will never enter a deadlock state although the way it is done is different from deadlock prevention. I
create an er diagram for production management in film industry
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