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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
NEED FOR A DATABASE MANAGEMENT SYSTEM A Database is a structured, persistent collection of data of an organisation. The database management system (DBMS) manages the database o
Explain the database Planning Project ?
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user
Part: Recommended (Non-query) Optimisations This section entitled "Recommended (non-query) optimisations" should be a brief report containing recommended optimisations you would
what is query processing?
Replicating Data One approach that may support efficient access to dissimilar applications as above may be to give access to every of the applications from dissimilar replicate
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
What is multiplicity in the associations? Give an example to explain multiplicity? Multiplicity in association indicate number of objects participate in any relationship. For
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