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Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
what is data link layer
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
What is the need of a log in a DBMS? Briefly describe the various types of records that are normally present in a log. Ans: The system log, which is generally writt
About Attribute inheritance
QUESTION (a)(i) Define the term database. (ii) How is it different from a database management system? (b) What is the difference between an entity and an attribute? (c
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
er diagtram for icici
After the completion of the logical model the physical model is to be made. The oracle 10 G will be used as a database server and all the tables with their column are created and i
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