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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
A set of possible data values is called? A set of possible data values is called as domain.
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
What are the advantages of creating a table from existing table?
please describe the data base management with the easy example &give the application?
How to reduce data redundency
Differentiate between a Global and a Local temporary table? - A local temporary table exists only for the duration of a connection or if defined inside a compound statement, fo
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Speedup Query Processing: A query that includes data at various sites can be split into sub-queries. These sub- queries can be implemented in parallel by various sites. Such parall
What is an ER diagram? Why is it used in Database management system (DBMS)?
Explain the Log Based Recovery Method? The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failu
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