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What is the need for triggers?
Triggers are useful mechanisms for alerting humans or for starting particular tasks automatically when particular conditions are met.
please give me introduction to full data in D B M S in a short assignment
(a) Explain briefly the three parts of a relational Model. (b) Contrast the following terms with an appropriate example: (i) stored attribute v/s derived attribute (ii) en
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
Strict 2PL :Though, this basic 2PL suffers from the trouble that it can result into loss of isolation / atomic property of transaction as theoretically speaking once a lock is rele
I need help in doing my dbms project
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
What is primary Key Explain? Primary Key - Primary key is one of the candidate keys. It should be selected such in which its attribute values are never, or very rarely, chang
Explain briefly concurrent task by taking an example. Concurrent Task- The concurrent occurrence of more than one event is called concurrent task. Operating systems can handl
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
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