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While sorting, if the main storage available is not enough, the system writes data to an external help file. The SAP profile parameter, which determines
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In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
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
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
What is view in SQL? How is it defined? Any relation that is not part of the logical model, but is made visible to a user as a virtual relation is known as a view. We descri
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
What is the meaning of Data Independence ?
What are the advantages of relational data model? Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Process of Adjustment of inheritance During object design, inheritance is readjusted by rearranging classes and operations, and abstracting common behaviour.
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