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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
Nested Queries Let us see some more complex queries in this section. Sub-queries: Some of the basic concerns of sub-queries are: A sub-query is a SELECT statemen
#question benefits and limitations of data models..
What is Information System?
what is natural join?
how to submit answers softcopy
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Explain different categories of failures that occur in Oracle database? Categories of Failures - In Oracle database subsequent types of failures can occurred: Statement Failu
what characterizes the levels in RAID technology
construct a B+ tree for the following set of key value (2,3,5,7,11,19,23,29,31) in ascending order where the pointers that will fit in one node is as follows:A. four B. six C. eigh
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