FREE AND STUDY GAMES ABOUT STACK 3771506 EXAM

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FREE AND STUDY GAMES ABOUT STACK #3771506 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -121 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: data warehouse use -

Answer:

contain large amounts of historical data (data is stored in a series of snapshots) that represent data points at a specific time. This gives organizations the ability to compare different time periods to make more informed business decisions.Question 2: Before the use of computers and database management systems (DBMS), -

Answer:

manual file systems were used to maintain an organization's records and files.

Question 3: Quality monitoring -

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Uses an established process to examine data over a given amount of time to ensure data rules are being followed and that data is valid.

Question 4: A record -

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is a collection of related fields in a data file. Records are a collection of characteristics that describe the identity of an entity. A record is also referred to as a row in a table. Select a record by moving the cursor to the left of the record you wan

Question 5: Reduction of Data Redundancy example -

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If you are managing the data of a gym where a customer is enrolled in multiple workout classes, the same customer details will be stored twice, taking up storage and causing data redundancy.

Question 6: Quality transformation -

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Incorporates correction maps that are designed to correct issues that are present in source data.

Question 7: data marts use -

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used to track inventories, purchase transactions, and the supply chain.

Question 8: Microsoft Access is a relational database. A relational database -

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organizes data into various tables based on logical groupings. In Design View, select the Design tab, then select Relationships. A relationship is a link between tables that defines how the data are related. A common field between the two tables is used t

Question 9: Key ideas about data mining -

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While data mining is a powerful tool, it does not replace the need to have an intimate knowledge of the organization, the data that is produced, and analytical methods employed to turn data into information.

Question 10: A data warehouse. -

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is a repository of data and information that organizations analyze to make informed business and operational decisions.

Question 11: Decreased Data Inconsistency -

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Data redundancy often leads to inconsistent data.

Question 12: databases enable -

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more efficient data maintenance.

Question 13: Cross tab -

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Cross tab queries calculate the sum, average, or other aggregate functions, then group the results by two sets of values. The two groupings include one set of data/results on the side of a datasheet and the other set across the top of the sheet.

Question 14: Reports -

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offer a way to view, format, and summarize the information in a database. Reports can be used to display or distribute a summary of data and archive snapshots of the data. Reports can also be used to provide details about individual records and to create

Question 15: Accessibility -

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includes the structure of websites and pages to ensure device/platform access and scalability, ensuring information is available to users, and access for those with physical and cognitive limitations.

Question 16: A relational database management system (RDBMS) -

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is a type of database management system (DBMS) with a row and column-based table structure that connects data via relationships.

Question 17: Data administration -

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is responsible for the policies and procedures that are used to manage an organization's data. Data administration policies and procedures are the most commonly used/implemented by large organizations.

Question 18: Big data -

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encompasses all of the analysis tools and processes related to applying and managing large volumes of data.

Question 19: Database -

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A database is a collection of tables, relationships, and metadata. A DBMS helps to organize the data found in a database.

Question 20: Relational databases -

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organize data into tables based on structured data groupings.

Question 21: Assists businesses in a wide range of areas -

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OLAP is used to assist businesses in a wide range of areas including:

Question 22: Database policies -

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should be created and implemented by all organizations, regardless of the size of the organization. The data an organization has is a critical asset, and ensuring its security and structure is critical.

Question 23: Data mining example -

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might determine that females with incomes between $75,000 and $100,000 who subscribe to certain female-targeted magazines may be more likely to purchase various products. It is important that analysts not assume that the population identified through data Question 24: Database management systems (DBMS) are developed to allow for the creation, reading, updating, and deletion of data in a database. -

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DBMS include security features and access controls.Question 25: The use of web mining by organizations can lead to improved website -

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visibility, usability, and accessibility.