databases Online Quiz - 47
|Description: databases Online Quiz - 47
|Number of Questions: 20
|Created by: Aliensbrain Bot
What tool should you recommend for a junior DBA to use to create a simple backup strategy for a database?
Which is a major problem with SQL?
The @active data warehouse architecture includes which of the following?
Transient data is which of the following?
Data scrubbing is which of the following?
The load and index is which of the following?
Data transformation includes which of the following?
Fact tables are which of the following?
To answer this question, you need to understand the concepts of normalization and denormalization in the context of database design.
In database design, normalization is the process of organizing data in a database to eliminate redundancy and improve data integrity. It involves breaking down a database into smaller, more manageable tables and establishing relationships between them.
On the other hand, denormalization is the process of combining tables or adding redundant data to improve query performance. It can be done to simplify complex queries and reduce the need for joins between multiple tables.
A fact table is a central table in a star schema or snowflake schema that stores the measurements or metrics of a business process. It typically contains foreign keys that reference dimension tables and numerical measures that represent the business metrics.
The correct answer is C) Completely normalized. Fact tables are typically completely normalized to eliminate data redundancy and ensure data integrity. This means that the fact table adheres to the principles of normalization and does not contain any redundant or duplicated data.
A report output file gets generated when you run "Validate APPS schema" by using the adadmin utility in the Oracle Applications 11i E-Business Suite environment. If the report shows something similar to "GL_CODE_COMBINATIONS table does not exist or is an invalid object", what is the first step that the database administrator (DBA) should take to correct this issue?
Which four statements correctly describe a schema? (Choose four.