Top 20 Subversion SVN Interview Questions & Answers

Apache Subversion is an open-source version control application. It is curtailed as SVN after its order name SVN. Programming designers utilize disruption/SVN to keep up the current just as the past form of specific records, for example, source codes, site pages, and different archives. This permits clients to recuperate more seasoned variants of their information or notice and investigate the set of experiences regarding how the data has changed after some time. 

SVN can be utilized to work across networks that permit the product to be utilized by administrators from various PCs. One of the significant parts of SVN is the SVN archive, which is where all the codes and the set of experiences are put away. The store can utilize various systems that chiefly depend on the worker where SVN is facilitated and whether the association has an inside, outer worker or is a web customer.

To work on subversion software, one should grasp true knowledge about subversion. One has to confront subversion svn interview questions and answers. Subversion svn interview questions and answers consist of many technical and non-technical questions, such as open-source control system, codes g and r, svn repository, and revert in subversion, etc.

Here is the list of all possible subversion svn interview questions and answers that can be asked in an svn interview.

Table of Contents

1. Tell me about subversion or SVN?

Answer: The most basic question that will be asked in any subversion interview, try to give a brief introduction about subversion. For example, SVN is an abbreviated term for “subversion.” It is an open-source control system that tracks all the changes in a code. It is a sort of store that can be used to manage files, chiefs, envelopes, and adjustments made to these documents over the long haul. 

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In this way, SVN Repository can be utilized not exclusively to see the total/complete history of changes made to the documents with the archive yet also be utilized to find somebody who has rolled out those improvements in the records.

2. How to revert to a previous code version?

Answer: To return to a past form of the code, one needs to employ the “revert function.” However, the Revert function will remove all essential edits made locally; accordingly, to totally return to a past code, one needs to utilize the “merge function” with the association’s revert function.

 3. How to apply a patch in SVN, suggest methods? 

Answer: To apply a patch in SVN, first, you need to create a patch by rolling out the vital changes and creating the “.diff file.” Therefore, this .diff file can be used to fuse the new codebase utilizing the “Apply Patch” function.

4. How the function “svn Commit” is different from the “svn Update” in SVN.

Answer: Although there is a long answer for this, in brief, you should answer like this. The main dissimilarity between the two principal functions used in SVN is as follows. The principle contrast between the two chief functions utilized in SVN is as per the following. The work SVN commit signifies either pushing or transferring all the progressions made locally into the archive/repository, whereas the function SVN update alludes to downloading the progressions made in the store to a neighborhood framework.

5. Explain the function of Revert in SVN?

Answer: As the name suggests, this command is used to roll back or revert any local changes made in the code. In a subversion, revert is function is of two types:

  1. “Local Revert” refers to removing all the recent changes that have been made in the files after the initiation of updates and previous to the commit function.
  2. “Repo Revert” refers to all the local changes made to the preceding repo.

6. What do the terms trunk, branch, and tag mean in the context of SVN?

Answer: To answer these types of one-liner subversion svn interview questions and answers, give a simple definition of the topic. The branch is a duplicate of the code that is gotten from a particular location inside the trunk that can be utilized to apply significant changes to the code while safeguarding the first integrity of the code. 

A trunk is the standard of advancement that is identified with SVN, directly from the earliest starting point of the project till the end. 

A tag is a point in time on the trunk/branch that one wishes to safeguard. The cycle of baselining the code after it has been significantly released is known as Tag.

To learn more, click here.

7. Give the main difference between the GIT and SVN repository.

Answer: The main differences between these two SVN Repo GIT and SVN are:

  1. In SVN, folders are possible at any location within the SVN and stored in SVN repository, whereas GIT doesn’t uphold the commit function across all the branches and tags. When changes are stored in SVN repo, it is easy to retrieve any data.
  2. SVN is favored over GIT for taking care of huge documents or for as often as possible frequently changing binary files.
  3. GITs are unchangeable, while SVN licenses a client to treat a tag and make numerous updates under the root Tag. 
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Above are the basic differences between GIT and SVN repository.

8. Give some function used to move some subsets of codes from one SVN repository to another?

Answer: Here is the list of codes that can be used to move codes from one repository to another: 

  1. SVN remove
  2. SVNadmin dump
  3. SVNadmin load
  4. SVNdumpfilter include

9. Provide some of the SVN commands used commonly. 

Answer: Some of the common SVN commands are:

  1. Update
  2. Import
  3. Checkout
  4. Copy
  5. Move
  6. Commit
  7. Revert
  8. Merge

10. Tell me about some best practices for SVN/subversion.

Answer: Probably, the prescribed best practices for SVN are: 

  1. If you are Working from your local workspace.
  2. Update and test prior to submitting.
  3. Committing to all little self-sufficient changes.
  4. Keeping in contact with the svn repo.
  5. Watching out for clashes.
  6. Validating the records that you are submitting and have really changed.

 11. Which function in SVN is used to add a file or dir? 

Answer: The function used in SVN to add a file or dir are:

  1. To dir file: SVN add dirname
  2. To add file: SVN add filename.

 12. Tell about the command to create a new directory under version control? 

Answer: The command to create a new directory under version control are:

  1. directory SVN mkdir HTTP ://URL/directory
  2. SVN mkdir directory: SVN mkdir directory will Create a new directory under version control.

13. What is the command to see what is inside the repository?

Answer: This command will take you to see inside the repository

Command svn list file:///home/mysurface/repo/programming_repo is utilized to see inside the svn repository.

14. When you made changes in svn, how can you ensure that the equivalent has been converged into the working duplicate and tell what it means when svn indicates the g code?

Answer: The equivalent is conceivable, and the users have no reason to stress over anything. There are really sure signs for the equivalent. If a message is shown on the screen in svn repo, which indicates g code changes, it essentially implies that changes have just been made/acknowledged in the working duplicate.

15. What does the result codes G and R in svn signify?

Answer: Another basic interview questions to answer in this way

The result codes G and R in svn indicates the result:

R code indicates that the item has been replaced in your working copy r code. This signified the file was scheduled for deletion, and a new file with the same tag was scheduled to replace it.

Result codes g indicates that changes on the repo were automatically merged into the current working copy.

16. Give the command to import your existing directory into the new repository?

Answer: The command to import your existing directory into the new  repository you have to use

  1. svn import/home/mysurface/programming 
  2. file:///home/mysurface/repo/programing_repo-m “initial import.”
  3. By executing the above command prompt, you can import your current directory into the new repository.

17. Provide a list of Things that Should Be Stored In the Svn Repository?

Answer: Source Code, Mysql Queries, Database Updates, Project regarding important files, Product Documents, Minutes of Meeting, and Imp Email, Project documentation (Internal and External), Minutes of meetings, significant emails, Source Code, Build scripts, Test data used by QA, DB schema, Project settings (When the whole team is using the same IDE), and info from the web, Expensively generated artifacts, other documents related to the project

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18. What Do You Understand By “Synchronizing With Repository”? How does It Differ From “update”? 

Answer: Synchronizing with Repository is the way toward refreshing the local workspace with the progressions submitted by others. This is unique in relation to Update as we can do Merge Manually for the Merge clashes utilizing this.

19. Express The Process Involved To Revert To A Previous Version? 

Answer: To recover the beforehand existing rendition, the principle order on which you are expected to center is the “revert” command. The activity performed by the return order is that it just deletes all the neighborhood alters. However, the principle order which should have been utilized for this activity is the “merge” command. 

This can be clarified with a basic model. For example, the current version of your document [abc.txt] is version 150, and the form which you presently require is 140. 

In such a case, the order code ought to be executed thusly. 

SVN merge-r 150:140 abc.txt 

SVN commit-m “Revert to revision 140” abc.txt

20. How to stack the most recent version of code from the SVN worker, disregarding my local changes? 

Answer: There are two activities one can do: 

  1. Return your progressions after you do an update. That will get you a perfect checkout. However, it will remove your local changes.
  2. Look at another spotless working registry. No reason behind why you can’t. Preferred position, it doesn’t change your current stuff. 

If you are new to explore apache subversion, here are a few links that can help in learning better. Basics of subversion, video

Conclusion

Getting selected in an interview is a boon to every aspirant who wishes to join a firm and learn and explore. Following the above basic questions will be very easy for you to ace any svn interview questions and answers. Interview questions may vary in difficulty level but what matters is how beautifully you manage to answer those interview questions.

Frequently Asked Questions

How to find a subversion version?

To find the version of the subversion repo, you can:
Look to the repository on the web or at the bottom of the page. It will write something like:
“Powered by Subversion version 1.6.13 (r1002816).”
Or from the command line type : <insert curl, grep oneliner here>
If still not displayed, view source of the page
<svn version=”1.6.13 (r1002816)” href=”http://subversion.tigris.org/”>
For the subversion CLIENT:
svn –version

 How do I know and check my svn connection?

If you do not have any checked-out working copy, you can use
svn ls svn://server/repo
which lists contents of the repository if the connection is successful.
Other parameters like –username ABC –password XYZ and –non-interactive can be useful too if you are, e.g., testing the validity of your credentials. Also, adding –depth empty should produce empty output if it succeeds (this can be useful for scripting purposes).

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