10 Questions
What is the primary purpose of creating a materialized view?
To provide a snapshot of data for reporting and analysis
How does Oracle Database handle a query on a view?
It merges the view and query definitions to construct a new query
What is the benefit of using object views in Oracle Database?
It allows for prototyping and transitioning to object-oriented applications
What is the primary difference between a view and a materialized view?
A view is a virtual table, while a materialized view is a physical table
What is the purpose of the OBJECT IDENTIFIER clause in an object view?
To specify the primary key of the object table
How does an object view differ from a regular view?
An object view represents a single object, while a regular view represents a table
What is the benefit of using materialized views in a data warehouse?
It provides fast query response times for complex queries
What is the primary use of object types in Oracle Database?
To define a data type for an object view
What is the purpose of creating a view based on multiple tables?
To provide a single interface for accessing data from multiple tables
What is the benefit of using views in Oracle Database?
It provides a layer of abstraction between the user and the underlying tables
Learn about materialized view replication, a type of data replication that involves creating a complete or partial copy of a table from a single point in time. This type of replication is suitable for environments with distributed sites and intermittent network connectivity. Test your knowledge of materialized view replication and its applications.
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