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What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Define the concept of aggregation. Give two examples where this concept is useful. Ans: Aggregation transforms a relationship among the objects into a higher-level object. A
Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:
Example : Search the name, department number and salary of employees drawing minimum salary in that department. SELECT ENAME, SAL, DEPTNO FROM EMP WHERE SAL IN (SELECT MI
Question: (a) What is ODBC and what is its function? (b) What is Web application server, and how does it work from a database perspective? (c) What does e-commerce mean
Briefly explain what is to be done during defining problem statement. To define Problem Statement of a system, define what is to be done and how you can go to implement that. Y
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
Explain the term - Handling Boundary Condition These are some circumstances that to be handled in any system initialization and termination. Describes how system is bro
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