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What are shortcomings in structured approach?
Structured methodology treats data and their behaviours separately, and this makes it harder to isolate changes. If changes are required in software then one has to change both data structure and algorithms and these changes subsequently need changes in the algorithms where this data structure is used as very well.
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
What are the situations while DBMS should not be used? DBMS should not be used in situations like: (i) No need of security. (ii) Not difficulty to access the data (iii) N
The participation Constraints shows whether the existence of an entity depends on its being associated to another entity by the relationship type. There are two kinds of participat
Which method is used to key transformation ? A hash method is used to key transformation.
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Question 1 Discuss the classification of DBMS based on location of database Question 2 Explain with examples different SQL commands used for creating and deleting relations.
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Find out the names and company names of all employees sorted in ascending order of company name and descending order of employee names of by which company. SELECT EMPLOYEE_NAME,
er diagtram for icici
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
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