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What is Relational Algebra?Relational algebra is a Procedural query Language?
Discuss the term- Design Optimization We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementati
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1. Use the Invoice table structure shown below to answer the following questions: a) Draw the dependency diagram and identify the primary key and all dependencies, including al
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
Security: Data not needed by local applications is not stored at the site, therefore no unnecessary security violations may exist. But how can we carry out fragmentation? Fragm
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
Niles Video Inc. wants to create a website for online sales of movies (DVD and videotapes). People will be allowed to register as customers on the website and to update their store
What are the Overlapping elements Overlapping elements can be found by scanning all the elements in front of deleted element in priority list for the sheet and comparing them
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
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