Related Questions

Which of the following statements are true?
Statement I Big data refers to no precise quantity, but generally refers to data in the range of Petabytes and Exabyte, i.e. billions to trillions of records, all from various sources. Big data is generated much faster. than traditional data in much larger quantities.
Statement II Big data interests industries because they are able to learn more patterns and curious variances than smaller data sets, with the capability to provide valuable insights into consumer behaviour, weather systems, financial market activity, or other phenomena.
Statement III Various departments and product lines use various applications within most organisations and store data in separate datasets. These separate databases may contain similar data, but data from one data base to another is not always consistent. This is called data silo.
Which of the following statement is true?
Statement I A data warehouse is a database that keeps historical and current data of significant interest throughout the company for decision makers.
Statement II The data originates from several core operating payment systems such as sales systems, customer accounts and production and may include website transaction data.
Statement III The data warehouse covers historical past data inside the institution from multiple operating systems.
What is the primary benefit of using a columnar storage format like Parquet in big data analytics?
Which cloud-based data warehouse service is often used for data storage and analytics in data science?
Each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and markyour response accordingly on the Answer Sheet.
S1 :The dawn of the information age opened up great opportunities for the beneficial use of data.
S6 :To some, in this era of Big Data analytics and automated, algorithm-based processing of zettabytes of information, the fear that their personal data may be unprotected may conjure up visions of a dystopian world in which individual liberties are compromised.
P :But it is the conflict between the massive scope for progress provided by digital era and the fear of loss of individual autonomy that is foregrounded in any debates about data protection laws.
Q : It also enhanced the perils of unregulated and arbitrary use of personal data.
R : It is against this backdrop that the White Paper made public to elicit views from the public on the shape and substance of a comprehensive data protection law assumes significances.
S :Unauthorised leaks, hacking and other cyber crimes have rendered databases vulnerable.
The correct sequence should be
What is the primary advantage of using distributed data processing frameworks like Hadoop and Spark for big data analytics?
A clothing supplier stores 800 coats in a warehouse, of which 15 percent are full-length coats. If 500 of the short-length coats are removed form the warehouse, then what percent of the remaining costs are full length ?
A is a warehouse-keeper, Z going on a journey entrusts his furniture to A. Under a contract that it shall be returned on payment of a stipulated sum for warehouse room. A dishonestly sells the goods. A has committed
In big data analytics, what is the primary challenge associated with "data silos"?
In big data analytics, what is the primary challenge associated with "data veracity"?