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Differentiate OO development from structured development.
Structured approach of problem solving is based upon the idea of decomposition of system into subsystem. In this approach of system development, readjustment of some new changes in system is very hard. While as in object oriented approach holistic view of application domain is considered and the related objects are identified. Further categorization of objects is done. Object oriented approach provide space for further enhancement of system without too much increase in the systems complexity.
Let us now talk about the relational operations: SELECT The select operation is used to select few specific record from the database based on different criteria, This is a un
what is cascading? what is rollback cascading? please explain in detail
Explain the Exec statement in SQL Ans: Exec statement has the structure EXEC SQL END-EXEC Embeded SQl statements are of a form identical to non embedded SQL statem
object oriented database
er diagram on cosmetics.
Explain Stand Alone Query Language in details? Stand alone Query Language - The query language that can be used interactively is known as stand alone query language. It does no
What is a Built-in A notation of identity is built-into the data model or programming language and no user-supplied identifier is needed. This form of identity is used in objec
What are the three data anomalies that are similarly to take place as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why n
List and also explain the dissimilar stages of DDLC ?
What is Trigger? A trigger is a SQL procedure that initiates an action when an event (INSERT, DELETE or UPDATE) occurs. Triggers are kept in and managed by the DBMS. Triggers a
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