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object oriented database
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
Write a program within embedded SQL to associative the total trip expenses of the salesman named ‘John' for the relations. EXEC SQL BEGIN DECLARE SECTION; long total_expenses;
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
Why containment is important in oosystems? Containment is an significant concept in oosystems because it allows dissimilar users to view data at different granularities.
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
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