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Question 1 What do you mean by database management system?
Question 2 Write a note on Object-Oriented Model
Question 3 Explain Sequential File Organization
Question 4 Write about Tuple Relational Calculus
Question 5 What are the properties of Normalized Relations
Question 6 What are the methods commonly used for implementing Joins?
Question 7 Explain the features of Object Oriented System
The functions of DBA ?
1. Develop a flowchart using the decision structure to solve the following problem. A Box Lunch Bonanza is a small catering company that offers 2 different types of box lunches
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
Explain heap file with advantages? Heap File is an unordered set or a group of records, stored on a set of pages. This class gives basic support for inserting, updating, select
waht is a repeating group?
Explain mechanism of nested queries? SQL gives a mechanism for nesting subqueries. A subquery is a select from where expression that is nested within one more query. A common u
need requirement analysis for database management of stock market
Describe sequential file organization. Explain the rules for (i) Inserting a new record. (ii) Deleting an existing record. Ans:A sequential f
Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.
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:
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