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Explain the term - Control as Concurrent Tasks
As we know, any object can be implemented as a task in programming language or operating system. This is the most general approach as it keeps inherent concurrency of real objects. These events are implemented as inter-task calls such, the task uses its location within program to keep track of its state.
Why older data models are being replaced by new data modelling 100 words accepted#
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
external view of DBMS in healthcare department?
Failures and Recovery In practice various things might occur to prevent a transaction from completing. Recovery methods are used to bring database, which does not satisfy consi
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Explain the following functions of Oracle with suitable examples: (i) To_Char( ) (ii) Count( ) (iii) Trim( ) (iv) Length( ) Ans: (i) To_char( ): The TO_CHAR function conver
Determine the Strong and Weak Entity Based on the method of foreign key, there might be arise a situation when we have to relate an entity having a primary key of its own and a
List two restrictions that are applied on the modification (updation, insertion or deletion) of base tables through view. Ans: The two restrictions are: 1. If a view
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