Questions tagged as 'firedac'

Tagged questions
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dbExpress Migration to FireDAC

I'm migrating from a dbExpress system to FireDAC , the system is in three tiers >), I have changed components on the server side from SQLConnection to FDConnection , and SQLDataset to FDQuery , on the client side t...
asked by 13.10.2015 / 04:39
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Problems with slow Delphi and FireDAC

I have an application developed in Delphi XE and it has been a month since I changed the entire persistence structure that used ADO to FireDAC. In the compatibility of the new persistence component I used the version of Windows 7, and in the...
asked by 17.12.2013 / 11:55
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How to use TFDJSONDataSets in Delphi XE4?

Explanation Today I was seeing an example called FireDACJSONReflect in the Samples folder of Delphi XE6 and I saw that it was very interesting how the server communicated with the client and I would like to use this medium in my applic...
asked by 19.09.2014 / 16:03
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Difference between Transaction.Commit and Transaction.CommitRetaining

Using FireDAC technology, I want to know exactly the difference between Commit and CommitRetaining . I read in the official documentation of the FireDAC that CommitRetaining keeps transaction. But this gave me some doubts:...
asked by 15.03.2018 / 20:52
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Inform field value TFDAutoIncField using FDQuery

Hello, MySQL Utilities and I am migrating my Delphi 2007 + Zeos project to Delphi Berlin + FireDAC (big change eim) and due to some business rules, MySQL auto increment fields can be informed by the user. ex: The productID field is a bigint (20...
asked by 21.12.2016 / 20:44
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FireDac multithread (Concurrent Connections - REST Server) DELPHI

Good morning people, I would like to ask for your help, if anyone can help, I am very grateful. The question would be fairly simple, How to work with Multi Thread in FireDac? In other databases, such as DBISAM, you have a Session compo...
asked by 17.02.2017 / 13:10
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CreateDatabase Delphi VCL

How to create the database automatically if it does not exist, same in the app of Delphi Android, but I want to do with Delphi VCL. I want my first run application to automatically create the database where I'm going to run scripts to genera...
asked by 21.09.2017 / 16:03
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Firedac -How to use same FDquery in more than one bank?

I heard that the FD has a program for two different database managers using same FDQuery , that is, it would give the two SQL's of each bank in the same FDQuery ... or something like that ... Does Aguem have any tutorials for thi...
asked by 21.10.2016 / 21:29
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Firedac: GetFieldNames without quotation marks

I'm retrieving the Firebird and Mysql tables by Firedac Connection through the command line GetFieldNames , however some fields in the list are returned with quotation marks. I have tried to insert the MetaDefCatalog=MySql...
asked by 15.12.2015 / 14:50
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FDQuery what risks in using variable in place of Parameter

I am making a connection to fetch data inside the bank with a IN() condition, however I had difficulty implementing this between FDQuery and FireBird . Analyzing the problem, I realized that the SQL command was reaching the d...
asked by 08.11.2018 / 02:21