Database-Management-System
August 29, 2024
Database-Management-System
August 29, 2024
Database-Management-System
August 29, 2024
Database-Management-System
August 29, 2024

Database-Management-System

Question 645
Data which improves the performance and accessibility of the database are called:
A
Indexes
B
User Data
C
Application Metadata
D
Data Dictionary
Question 645 Explanation: 
→ An index is a data which improves the performance and accessibility of the database. An index is a copy of selected columns of data from a table that can be searched very efficiently
that also includes a low-level disk block address or direct link to the complete row of data it was copied from.
→ To create the application metadata XML file containing details of all the Business Process Server applications that need to be packaged and published.
→ A data dictionary (or) metadata repository is a “centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format”.
Correct Answer: A
Question 645 Explanation: 
→ An index is a data which improves the performance and accessibility of the database. An index is a copy of selected columns of data from a table that can be searched very efficiently
that also includes a low-level disk block address or direct link to the complete row of data it was copied from.
→ To create the application metadata XML file containing details of all the Business Process Server applications that need to be packaged and published.
→ A data dictionary (or) metadata repository is a “centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format”.

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