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Question:
(a) What are the challenges in the development of Large Scale Distributed Real Systems?
(b) What is backward engineering and forward engineering in a design package? Give one disadvantage of backward engineering.
(c) Describe in what two situations data replication may be applied.
(d) What is the implication of data replication?
(e) Will data replication be used in a large scale system?
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
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Need an expert in ER database theoretical and modeling database system Project Description: Need an expert in ER database theoretical and modeling database systems? Skills
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
There are three main sources of utilities and applications for a DBMS: a. Vendor applications and utilities are given for working with or maintaining the database, and generally
Create table employee and enter employee data in SQL? Consider the following relational schemas: EMPLOYEE (EMPLOYEE_NAME, STREET, CITY) WORKS (EMPLOYEE_NAME, COMPANYNAME, SAL
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Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
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