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Differentiate between static hashing and dynamic hashing. Ans: Static Hashing comprises the number of primary pages in the directory fixed. So, while a bucket is full, we requ
Entities Let us first be aware of the question: What are entities? An entity is an object of concern used to show the things in the actual world, e.g., table, car, bo
explain five responsibilities of DBA?
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
Recovery Techniques: After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previ
brief history,definition,current trends and future trends if any of data fragmentation
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