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Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
external and internal mapping with examples
basic structure of xml
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
Write short note on Events Events consist of inputs, interrupts, decisions and actions performed by any external device or users. Every event always has a sender and receiver.
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Enumerate or state the steps in creating a relevant database of a shop.
Problem 1. Write the SQL queries using Data Manipulation Language (DML) statements. Insert values into student table with field names using insert command Display the
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