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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.
What is an ERD?
Give the two reasons for allowing concurrency
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Explain the concept of QBE? Query-by-example represents a visual/graphical approach for accessing information in a database by the use of query templates called as skeleton tab
Explain the concept of Modeling With Objects A model is a conceptual representation of a specification, design or system from a particular point of view. A modelling language
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
What is meant by log-based recovery? The most widely used structures for recording database changes is the log. The log is a sequence of log records, recording all the update a
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
I want a professional with strong IT background who provide me timely assignments Project Description: I want a professional who can do my assignments for my major i.e. Infor
Define the Boyce-Codd Normal Form with instance and also Compare BCNF and 3NF. Ans: BCNF: For each functional dependency X->Y in a set F of functional dependencies over relati
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