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What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
define anomalies and different types of anomalies with example
Explain data dictonary on oracle ? Data Dictionary - Data dictionaries are the system tables in which contain descriptions of the database objects and how they are structured.
Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include
give me a diagram about physical or internal level
Natural Join : It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
List and explain the memory constructs of the Oracle 12c databases?
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