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What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
WHAT IS SQL
Describe Specialsation and generalization? Specialisation /generalization: This is a top down and bottom up approach to the design of database. It displays the IS_A relation
What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing
An ideal data dictionary should have everything a DBA wants to know about the database. 1 Conceptual, External, and internal database descriptions. 2. Descriptions of attr
Why older data models are being replaced by new data modelling 100 words accepted#
Consider a relation s over the attributes A and B with the following characteristics: 5,000 tuples with 10 tuples per page A 2-level B+ tree index on attribute
Explain five duties of Database Administrator? 1. DBA administers the three stages of the database and, in consultation along with the whole user community, sets up an defin
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