Doubts with UniDAC and UniProvider

[engbreno]

Good morning everyone.

I am begginner in Delphi with UniDAC and am thinking on migration to UniDAC, but had problems with the execution of my application when I used the basic components (UniConnection, UniQuery) (TRIAL). The application showed an error at the beginning of execution and crashed.
The problem was solved by simply adding the component MySQLUniProvider.
So do my question: What is the function of MySQLUniProvider?
Why the application don´t works only with UniConnection and UniConnection?
I ask this because in the Standard version MySQLUniProvider component is not present.

Thank you!

[AlexP]

hello,

UniDAC is universal data access components for various DBs, for each DB a separate data provider is implemented. TUniConnection, TUniQuery, and other components unify work with different DBs, and when accessing a DB, they use correspondent methods from a needed provider.
UniDAC Standard Edition doesn't include data access providers, and it is designed for those users, who already have other our DACs (which include separate providers for UniDAC), and who want to unify work with different DBs in one application.
If you have no other our products, you need UniDAC Professional Edition.

[engbreno]

Thanks Alex,

Now I understand the need for dataproviders. I'll buy the professional version. Thank you.

[AlexP]

Hello,

If you have any other questions, feel free to contact us.