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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 applications and the physical database. The view at every of these levels is described by a schema. The procedures of transforming requests and results among levels are known as mappings. In this architecture, schemas can be illustrated at the following three levels:
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Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
What are composite attributes? Composite attributes can be separated in to sub parts.
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