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List the table modification commands in SQL?
A) Deletion
B) Updates
C) Insertion
D) Update of a view
What is Interaction Diagram An interaction diagram shows an interaction, comprises of a set of objects and their relationships including the messages that may be dispatched be
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
Multilevel Indexing Scheme Consider the indexing scheme where the address of the block is consider in the index for each record, for a little file, this index would be little a
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Java program for horrizontal fragmentation in distributed database
Consider the relations City (city_name, state) Hotel (name, address) City_hotel (hotel_name, city_name, owner) Answer the following queries in relational algebra (i) Find
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
explain five responsibilities of DBA?
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
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