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Can a domain, assigned to a data element be changed?
Yes. We can do so by just overwriting the entry in the field domain.
how to design a bakery business in data base
What are the time stamps associated with each data item? W-timestamp (Q) denotes the largest time stamp if any transaction that implemented WRITE (Q) successfully. R-timesta
please describe the data base management with the easy example &give the application?
Describe the difference between a one-to-many and a many-to-many relationship. Which logical data structures comprise one-to-many and which comprise many-to-many relationship?
What is a Transaction? A transaction is an event which happens on the database. Generally a transaction reads a value from the database or writes a value to the database. If y
what are the topics in data management
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
What is Nested Trigger? A trigger can also having INSERT, UPDATE and DELETE logic within itself, so when the trigger is fired because of data modification it can also cause ano
Structure Of Distributed Database: A distributed database system haves of a collection of sites, each of which keeps a local databases system. Every site is able to process local
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