16 Questions
Hierarchical databases are organized like an ______ tree.
inverted
In hierarchical databases, each field has only one ______.
parent
Network databases use ______ to create relationships between data.
pointers
Object-oriented databases use ______ to analyze data at a conceptual level.
inheritance
Multimedia databases support various ______ formats such as JPEG and GIF.
data
A data ______ is a repository of consolidated corporate data.
warehouse
Subject = Customer Savings Database Savings Application Current Accounts Application Current Accounts ______ Personal Loans Application Personal Loans Database
Database
Data is stored once in a single integrated location Customer data stored in several ______
Databases
Every key structure in the data warehouse Contains an element of ______, explicitly or implicitly
time
Data warehouse data: provide information from a historical perspective (e.g., past 5-10 ______)
years
The time horizon for the data warehouse is significantly longer than that of operational ______
systems
A ______ warehouse is a repository of consolidated corporate data.
Data
The main purpose of a ______ is to provide a protected business decision support environment.
Data Warehouse
The process of transferring data to a ______ is called Loading.
Data Warehouse
______ analysis involves discovering patterns and relationships in large amounts of historical data.
Data-mining
The ______ of a data warehouse includes raw data, summary data, and metadata.
Configuration Storage
This quiz covers the basics of database systems, including hierarchical and network database models, relational databases, and object-oriented databases. It explores the characteristics and advantages of each model, as well as their relationships and data structures.
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