The post is about R and Database Management System Quiz with Answers. There are 20 multiple-choice questions about R language and database connectivity with R. Let us start with the R and Database Management System Quiz now.
Online MCQs about R and Database management system Quiz with Answers
R and Database Management System Quiz
- How can a relational database help R handle memory issues?
- Which R function saves a single data structure to a .Rda file?
- Which of the following concepts illustrates a data frame in R language?
- When mapping data types between R and a database, which of the following should you consider converting to strings?
- When designing a relational database, which aspect is primarily addressed by normalization techniques?
- Which of the following is the simplest way to update individual observations in a data frame?
- A variable in R language is comparable to which of the following relational database concepts?
- In the context of mapping data between R and relational databases, how does logical data from R typically represent when exchanged with a database server?
- What benefit does using a relational database with R provides even when the data does not reside in the database?
- Choose a statement that best describes declarative referential integrity.
- Which function in the RJDBC package is used to close the database connection after accessing the data?
- What does RJDBC stand for?
- Which of the following statements about database packages for R are true?
- Which of the following statements correctly describes the ODBC Driver Manager?
- What are the two categories of relational database access packages in R language? https://rfaqs.com
- Which of the following is the first step that you must take before using the RJDBC package for R language? https:/rfaqs.com
- Which of the following is one of the two components of ODBC?
- What is the best way to provide a data analyst with knowledge of a database schema or structure, often depicted using an entity-relationship (ER) diagram?
- Which RODBC function is best suited for retrieving information about the structure and attributes of database tables?
- What is the first step you must complete outside of R before installing the RODBC package?