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What functions does a data dictionary perform?
In a (DBMS)data management system, the principal functions performed by the data dictionary are
Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
what factors might influence a company to outsource its IT infrascture.
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
What are partial, alternate,, artificial, compound and natural key? Partial Key: It is a set of attributes that can uniquely recognize weak entities and that are related to s
(a) Why did SAP introduce the extended star schema?
why are older data models are being replaced by new data models
What are the requirements to ensure the objectives of file management principle is realized?
Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact
what is check point in database management system
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
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