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Synonyms It allows short names or alternative names for objects.
Example:
CREATE SYNONYM D30
FOR EMPD30;
Now if we give command:
SELECT * FROM D30;
NAME
MINSAL
MAXSAL
AVGSAL
---------------------
------------
-------------
--------------
ACCOUNTING
1300
5000
2916.6667
RESEARCH
800
3000
2175
SALES
950
2850
1566.6667
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
give some example real life situation where DBMS are most suitable
Define canonical cover? A canonical cover Fc for F is a set of dependencies like F logically implies all dependencies in FC and Fc logically shows all dependencies in F.
Normal 0 false false false EN-US X-NONE X-NONE
Preliminary entities and attributes of human resourse management database management system
What is data block? Data Block - In oracle the data blocks are referred to as tablespaces. A tablespace is an fields of disk consisting of one or more disk files. A tablespace
What are the two types of errors? The two types of errors are: a) Logical error b) System error
Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
what is RDBMS? how it works? good example.
.#question. Discuss the problem which may arise during concurrency control and recovery in distributed database which are not encountered in controlized database environment.
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