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What is the meaning of Data independence?
Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on the logical attributes of data.
what do you mean by consistency in rdbms?
what is relationship inheritance and attribute inheritance
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
The Locking Protocol: To manage concurrency related problems we use locking. A lock is mainly a variable that is associated with a data item in the database. A lock can be located
Instructions: Follow the instructions below for completing this project: 1. Creating the Database: · Use the physical table descriptions given below to define and create each t
differences between a classified catalog and a dictionary catalog
i want help to complete my task
We have a buildup of payments that need to be processed. You will need:- To prepare customer account on our site Process payment (you must have working Paypal account to d
You will be analysing a set of financial data of your choice. It is not necessary to collect any primary data of your own, and publicly available secondary data will be sufficient
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