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What is schema
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
Serialisable Schedules: If the processes of two transactions conflict with each other, how to verify that no concurrency related problems have happened? For this, serialisability t
what is object-identity
A Structure of a dependency diagram
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
Define a table in SQL known as Client that is used to store information about the clients. Define CLIENT_NO as the primary key whose first letter must begin with ‘C'. Also ensure t
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
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
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