Programming languages | Practice Questions

Multiple choice technology programming languages

Some Object-Oriented languages are less rigid than others in how much they require you to design around objects, but OO languages certainly support these quality ......... if you take the time to pursue them.

contributions
tribulations
attributes
tributes

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Multiple choice technology programming languages

It seems that every new OO language author ......... the need to distinguish their language by coming up with new terminology.

feels
gets
senses
urges

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Multiple choice technology programming languages

How many columns are presented after executing the below query:SELECT name||','||age||','||address "emp_details" FROM employee;

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Multiple choice technology programming languages

Which Oracle access method is the fastest way for Oracle to retrieve a single row?

Full table scan
Table access by ROWID
Access via unique index
Primary key access

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Multiple choice technology programming languages

Which command will delete all data from a table and will not write to the rollback segment?

DROP
TRUNCATE
DELETE
CASCADE

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Multiple choice technology programming languages

Which character function can be used to return a specified portion of a character string?

SUBSTR
INSTR
SUBSTRING
POS

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Multiple choice technology programming languages

Which of the following SQL functions can operate on any datatype?

MAX
TO_CHAR
LOWER
CEIL

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Multiple choice technology programming languages

While using the WEIGHT option in Proc Means,If a WEIGHT variable value is missing, then PROC MEANS excludes the observation from the analysis.TRUE or FALSE?

True
False

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Multiple choice technology programming languages

If you want to analyze mean value of the numeric variable Salary based on gender of a given organization then you will keep:

Analysis Variable: Salary; Classification variable: Gender; Statistics: Mean
Analysis Variable: Gender; Classification variable: Salary; Statistics: Mean
Analysis Variable: Salary; Classification variable: Mean; Statistics: Salary
Analysis Variable: Mean; Classification variable: Salary; Statistics: Mean

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Multiple choice technology programming languages

Which one of the following is NOT the default statistical measures calculated by Proc Means:

N
MEAN
STD
SUM

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