Quote:
Do i have to install sql server 2014 at client Side?
Not if you have a true Client - Server application that connects to the server.
Installing SQL Server with an installer is a bit complicated, for this I would recommend:
Inno Setup Dependency Installer[
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As SQL Server is complicated to install with your application, you might be interested in PostgreSQL which is much simpler to bundle with your application, see example here:
how to make instalation postgresql binaries with inno setup[
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If your application is meant to work standalone and does not need a server, it maybe simpler to use:
LiteDB :: A .NET embedded NoSQL database[
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