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I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
At its most essential level the DBMS architecture can be divide into two parts: the back end and the front end. The back end is responsible for managing the physical database an
prototype of a distributed information system for a national car part retail outlet chain.
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Consider a database application that deals with an Employee relation with information such as SIN, name, data of birth (DOB), and DID (the ID of the department at which the employe
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
why are older data models are being replaced by new data models
2NF Normal Form : A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2N
what is cascading rollback
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