Tag: technology

Questions Related to technology

For which of these constraints, an unique index is automatically created while creating constraints?

technology databases

  1. Foreign Key

  2. Primary Key

  3. Check

  4. Unique

  5. Not Null

Show answer
Correct Option: A,B,C,D,E

Which of the following clause enables to drop the foreign key constraints of the child table while dropping the parent table?

technology databases

  1. drop foreign keys

  2. cascade constraints

  3. this is not possible in oracle

  4. clear references

Show answer
Correct Option: D

What is the difference between varchar and varchar2 data types?

technology databases

  1. maximum length for varchar is 2000 bytes and for varchar2 is 4000 bytes

  2. varchar is used to store fixed length character data, varchar2 is for variable length character data

  3. varchar data type is not supported in oracle

  4. varchar is applicable only to PL/SQL

Show answer
Correct Option: D

Which of the following is the correct value for the column whose data type is declared as number(3,-1)
technology web technology

  1. 0.001

  2. 3.01

  3. 0.01

  4. 0.1

Show answer
Correct Option: A

Which of the following is likely to benefit most from the use of test tools providing test capture and replay facilities?
technology testing

  1. Regression testing

  2. Integration testing

  3. System testing

  4. User acceptance testing

Show answer
Correct Option: A

Error guessing:
technology testing

  1. supplements formal test design techniques.

  2. can only be used in component, integration and system testing

  3. is only performed in user acceptance testing.

  4. is not repeatable and should not be used.

Show answer
Correct Option: A

Which of the following is the best source of Expected Outcomes for User Acceptance Test scripts?
technology testing

  1. Actual results

  2. Program specification

  3. User requirements

  4. System specification

Show answer
Correct Option: C

A regression test:
technology testing

  1. Will always be automated

  2. Will help ensure unchanged areas of the software have not been affected

  3. Will help ensure changed areas of the software have not been affected

  4. Can only be run during user acceptance testing

Show answer
Correct Option: B

Alpha testing is:
technology testing

  1. post-release testing by end user representatives at the developer’s site.

  2. the first testing that is performed.

  3. pre-release testing by end user representatives at the developer’s site

  4. pre-release testing by end user representatives at their sites.

Show answer
Correct Option: C

A failure is:
technology testing

  1. found in the software; the result of an error.

  2. departure from specified behaviour.

  3. an incorrect step, process or data definition in a computer program

  4. a human action that produces an incorrect result.

Show answer
Correct Option: B