Tag: testing

Questions Related to testing

How do you get help about the command "cp" in UNIX?
technology testing

  1. help cp

  2. man cp

  3. cp ?

  4. all of the above

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Correct Option: B

The SQL command used to avoid the selection of duplicate rows is
technology testing

  1. UNIQUE

  2. DISTINCT

  3. EXCLUSIVE

  4. DISCRETE

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Correct Option: B

How do you change the current directory to /usr/local/bin in UNIX?
technology testing

  1. mv /usr/local/bin

  2. cd /usr/local/bin

  3. setdir /usr/localbin

  4. cd usr/local/bin

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Correct Option: B

How do you list all the files that are in the current directory in UNIX?
technology testing

  1. list all

  2. ls -full

  3. ls -a

  4. ls -all

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Correct Option: C

Which of the following is not a valid -ve testing scenario for a job involving data load from a flat file to database table.
technology testing

  1. Data file not present

  2. Data file too large

  3. Table is accessible to the user

  4. Data in wrong format

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Correct Option: C

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

  1. DROP

  2. DELETE

  3. CASCADE

  4. TRUNCATE

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Correct Option: D

Which of the following is/are NOT a typical characteristic of a batch run? select all that apply- multiple answers)
technology testing

  1. It produces a log file

  2. It take data from a text file

  3. It takes some input and produces output

  4. It is run in backend

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Correct Option: B,C

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

  1. INSTR

  2. SUBSTRING

  3. SUBSTR

  4. POS

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Correct Option: C

Assuming today is Monday, 10 July 2000, what is returned by this statement: SELECT to_char(NEXT_DAY(sysdate, 'MONDAY'), 'DD-MON-RR') FROM dual;
technology testing

  1. 03-JUL-00

  2. 10-JUL-00

  3. 12-JUL-00

  4. 11-JUL-00

  5. 17-JUL-00

  6. 09-JUL-00

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Correct Option: D

How do you print the first 15 lines of all files ending by ".txt" in UNIX?
technology testing

  1. print 15 .txt

  2. cat *.txt -length=15

  3. head -15 *.txt

  4. tail -15 *.txt

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Correct Option: C