Top 350+ Solved Information Retrival Techniques MCQ Questions Answer
Q. Which method is used to verifythe version number?
a. changeversion()
b. readtransaction()
c. transaction()
d. executesql()
Q. Which object is created for read-only transaction?
a. foo object
b. sqltransactionsync
c. databasesync object
d. sqltransaction
Q. Which error is invoked when SQLTransactionCallback does not execute?
a. insertiid
b. rows
c. rowsaffected
d. length
Q. Which of the error is raised when the quantity of data is too much?
a. too_large_err
b. unknown_err
c. timeout_err
d. quota_err
Q. What is the required argument to openDatabase?
a. version number
b. database name
c. size of a database
d. text description
Q. Which attribute is used for getting an individual row?
a. results.rows.item(i)
b. insertid
c. rowaffected
d. length
Q. What incorporates data, architectural, interface, and procedural representations of the software?
a. design model
b. user’s model
c. mental image
d. system image
Q. Which of the following adds marginal sums to an existing table?
a. par()
b. prop.table()
c. addmargins()
d. quantile()
Q. Which of the following lists names of variables in a data.frame?
a. quantile()
b. names()
c. barchart()
d. par()
Q. Which of the following is tool for chi-square distributions?
a. pchisq()
b. chisq()
c. pnorm
d. barchart()
Q. Which of the following groups values of a variable into larger bins?
a. cut
b. col.max(x)
c. stem
d. which.max(x)
Q. Which of the following determine the least- squares regression line?
a. histo()
b. lm
c. barlm()
d. col.max(x)
Q. Which of the following is lattice command for producing boxplots?
a. plot()
b. bwplot()
c. xyplot()
d. barlm()