Software Engineering Stack Exchange
Software Engineering Stack Exchange

Questions tagged [migration]

For questions about migration of data from one source to another (e.g. a database migration from MySQL to SQL Server), or the migration of code from one language (version) to another, e.g. from Java 7 to Java 8 or from Java to Python.

109 questions
93
votes
8 answers

Using multiple Git repositories instead of a single one containing many apps from different teams?

I am migrating a 10-years-old big CVS repository to Git. It seemed obvious to split this multiple-projects repository into several Git ones. But the decision-makers are used to CVS, therefore their point of view is influenced by CVS philosophy. To…
oHo
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28
votes
4 answers

How to justify migration from Java 6 to Java 7?

We were migrating from Java 6 to Java 7. The project is behind schedule and risks being dropped, in which case it will continue to use Java 6. What are the specific improvements in Java 7 that we could go back to our manager with and convince him…
Jayan
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26
votes
9 answers

Data migration - dangerous or essential?

The software development department of my company is facing with the problem that data migrations are considered as potentially dangerous, especially for my managers. The background is that our customers are using a large amount of data with poor…
MRalwasser
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21
votes
5 answers

How can there be so much "business logic" for a company that they cannot drop their old COBOL/mainframe code?

Something which has always confused me is this. I keep hearing about how these big, old corporations which were around in the 1950s (for example) and early on started using COBOL-coded business logic on IBM mainframes, which are apparently unable to…
user15080516
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17
votes
4 answers

Classic ASP to ASP.net or ASP.net MVC

We have a web application which is developed in classic ASP and it evolved over 5 years to its current form which has 100's of pages, huge database and more than 10000 active users going through at least more than 10 pages daily. Now, we wanted to…
JPReddy
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16
votes
2 answers

DB migration and Azure deployment slots

I'm planning to push a new web application to an Azure Web App Service (former Azure Website). I'd like to make use of the deployment slots to be able to test my deployment before pushing it to production. That's all fine as long as there is no DB…
Sam7
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15
votes
8 answers

How do you encourage your organization to move from Java to Scala?

Has anybody's organization started the migration from Java to Scala? If yes, how do you do that? What can I do to encourage my colleagues to do the same?
nanda
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13
votes
1 answer

Sharing parts of a monorepo

We currently have a complex and inefficient build system consisting of many SVN and Git repos (about 50% each), including one which is a git submodules repo. We also have homemade scripts that manage more or less well the whole thing. A major point…
Leherenn
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13
votes
1 answer

Is it bad form to change multiple tables in a single Rails migration file?

I wrote a migration file with the following code: class AddScheduleIdToPlayers < ActiveRecord::Migration def change add_column :players, :schedule_id, :integer add_column :schedules, :coach_id, :integer end end Is it bad form to…
Eric Baldwin
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12
votes
5 answers

Should we use a monorepo?

My team is planning a migration from subversion to git. We support 3 applications... 1 is primarily for internal users, 1 is for corporate "partners" and 1 is for end users. These applications share some code and also communicate with each other…
JoelFan
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12
votes
5 answers

How to migrate my thinking from C++ to C#

I am an experienced C++ developer, I know the language in great details and have used some of its specific features intensively. Also, I know principles of OOD and design patterns. I am now learning C# but I cannot stop the feeling not being able to…
Andrew
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11
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3 answers

How are hybrid VB6/.Net applications functioning in the Real World?

I am maintaining a VB6 application and we are studying how to migrate to .Net We are considering doing this gradually by implementing new features in COM visible .Net classes and migrating existing functionality slowly. I found some instructive…
Dabblernl
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11
votes
4 answers

Method for integrating various version control systems or choosing one over others, due to mergers and acquisitions?

Companies acquire other companies that use different version control systems. Is there a common wisdom on how to integrate such systems together, for example using a Subverson-GIT bridge or even deciding on using just one tool over another - and how…
therobyouknow
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11
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3 answers

Using Sql Server Change Data Capture with a frequently changing schema

We are looking into enabling Sql Server Change Data Capture for a new subsystem we are building. It's not really because we need it, but we are being pushed for having a complete history traceability, and CDC would nicely solve this requirement with…
Pete
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10
votes
3 answers

Migrating from one PHP framework to another

I'm working with a web company that's approaching a point where it will likely need re-think the product as a V2 - due to outgrowing some of its V1 foundations and principles that have been built into virtually everything, from the data model to the…
Tom
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