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What is trigger?
Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
how many hourse have been spent on a certain project
What are composite attributes? Composite attributes can be separated in to sub parts.
List the requirements needed to design a trigger. The requirements are:- Specifying when a trigger is to be implemented. State the actions to be taken when the trigger im
Distributed query and transaction processing a. Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4
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Object-based Models: Use objects as key data representation components . Examples:- Entity-Relationship Model: It is a collection of real world objects known as entitie
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Advantages and disadvantages of icloud based storage
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