Advice on which Unidac components to use in android app
I have a small personal android app which accesses a sqlite database with several tables. The app is single user, no db sharing. Only one table open at a time. Browse, add, edit, delete, search. I currently am trying out a TUniconnection, and a TUniQuery
The problem of UniDac implementing SQLite database through multiple third-party encryption connections via TUNiconnect.
I am building a Delphi application that can connect to SQLite databases, But because there are multiple DLL implementations for encrypting SQLite databases, At the same time, the encrypted SQLite database cannot know the type of encryption, So I created
Change order of ApplyUpdate
Hi Using CachedUpdate I need to have the delete statements to be fired before the inserts, is this possible? if not, i try to delete the deleted records before i can applyUpdates, but when i call apply after that i get error record to be deleted cant
ODAC - base class for BeforeOpen
Hi there. I'm trying to build an interposer class für TOraQuery. I couldn't find the correct base class, though. TOraQuery = class(Ora.TOraQuery) //TOraQuery = class(TMemDataSet) //TOraQuery = class(TCustomDADataSet) //TOraQuery = class(TOraDataset) //TOraQuery
Update SQLite Direct ?
Hello, Any ideas why you don't update the SQLite direct to the latest version ? Thank you
How to get entire BLOB content with dbExpress
I have a Firebird 3.x database with UTF8 characters, connected with Devart dbExpress from a Delphi Intraweb program and cannot get it to display more than one character of a BLOB memo field. Presumably I need to set something different when connecting
MyDAC and SDAC question
I am trying to retrieve data from MS SQL Server (about 40000 records) and copy them to TDictionary as fast as possible. My problem is that it is slow and some setting changes give strange results. What I do is: 1. I open TMSQuery object MSQArt, it takes
Unitable isindex and lookup do not work
Hello, i am using a UniDac UniTable to access a SQL server database. To view the structure of the table i need to know which fields are index fields and which ones are lookup connections. The tunitable has two properties which should give this information:
UniDAC 10.4 Source Installation
Hi, I am trying to use Make.bat using Make.bat Delphi WIN32 but get the error: Embarcadero Delphi for Win32 compiler version 36.0 Copyright (c) 1983,2025 Embarcadero Technologies, Inc. odbcprovider290.dpk(28) Fatal: E2225 Never-build package 'rtl' must
Delphi 12.3 64bit-IDE support
Hi when can we expect the design-time controls for the 64bit IDE of Delphi 12.3 for the Delphi Data components ? Kind regards, Erik
SQLite low-level
i want to understand - can i use unidac/litedac in low-level mode? without connections, datasets and so on. as i see - a can use LiteStaticUni module. and, may be, some thing else. is there are some description or manuals for it?
securebridge with mydac
ThirdParty demo mydac are SecureBridge(Deprecated) and SecureBridge With last delphi 12 with patch wich one should be install deprecated has MySSHIOHandler and MySSLIOHandler In mydac connection handler properties have no longer available components if
Unitable with postgreSQL (v17)
I'm using TUniTable with postgreSQL v17. When I open semi large table (140 000 rows, 220 fields) with unitable it takes 3-4 secods. is there any way to avoid this delay, like take just first record etc unidac is latest 10. Server version: PostgreSQL 17.0
Can ODAC connect in Direct Mode with Kerberos?
Hello, Our application has an option to use ODAC either in Direct Mode or using an Oracle client. When a client is used, customers can connect using Kerberos without any problems. That is, once it is configured in SQLNet.Ora and the Kerberos configuration
SQL Server 2022 - Native Client
Hi I've read that the native client isn't recommended for new projects. I currently use SDAC and use prDirect as the provider, but I wondered, what your plans are for the prNative option? Thanks Chris
Advice for using VirtualQuery
Hello, We are developing software under Embarcadero Sydney with TUniQuery component on Firebird or SQL Server DataBase. We have noticed that using a VirtualQuery is much faster (especially when sorting). From there I have two questions : 1. Question ----------
Store RTF text
I am using Unidac 10.1 with Delphi 11.3. I am using an inherited component from TcxRichText from Developer Express to store formatted text with RTF in database. I am using MS SQL Server with type NVARCHAR(MAX) on the column. My problem is that rtf text
How to support non Unicode fields when using TUniConnection 10.2.1 to connect to SQLite database?
TUniConnection 10.2.1 When connecting to an SQLite database, because the field type of the table in the SQLite database is varchar (100) instead of Nvarchar (100), it is intuitively not a Unicode database, My current problem is that when I compile a program
Is SecureBridge 10.5.0 compatible with RAD Studio 12.2 - Patch 1
Hi, When I try to install SecureBridge 10.5.0, with the recently released RAD Studio 12.2 (Patch 1), i get warning message. "You are using a version of RAD Studio 12 that is required for SecureBridge 10.5.0." Is SecureBridge 10.5.0 compatible with RAD
UniDAC fails to load in Delphi 12.2 Patch 1
Tried reinstalling but still get entry point error when opening Delphi.
PostgreSQL version 17
Did somebody already test UniDac 10.3.x with the latest PostgreSQL version 17.0? Everything ok or are there any known problems? Regards Christian
Log für TScSMTPClient verfügbar
I use SecureBridge - TScSMTPClient in Delphi 12.2 to send e-mails. It works very well. Is there a way (and an example) how I can log the connection setup, sending and disconnection, similar to a logger? Best regards Gerd
SecureBridge: Prevent File Creation with TScSFTPServer
I am uploading files with a SFTP Client to a TScFTPServer, but I want to process the stream directly without creating a file alongside it. I tried overriding OnWriteFile, but then an empty file gets created, which I want to avoid. It seems like OnOpenFile
Connecting to Oracle Autonomous instances with Unidac
Hello, We are using Unidac in Delphi 11 to connect to Oracle Autonomous instances in Direct mode but we can't get it to work. If we give "adb.region.oraclecloud.com" as the server and valid user/password credentials, we receive the following error: ora-03113
UniDac DBF Direct Connection - PACK Table
In the UniDac documentation, in the native DBF provider section a mention is made that PACK-ing of DBF tables (files) is supported. Searching the source code I came upon the TDBFDBase class which implements the PackTable method. I tried to use it by creating
SDAC Connection Pooling with TWebModule in Linux environment
We are trying to evaluate whether we can, and exactly how, we can use connection pooling with TWebModule in a Linux env (Apache specifically). We have essentially stripped all threading from our application as it does not seem to play well under Linux.
Connection to MongoDB gives me authentication error
Hi, (I could've sworn I asked this question but my post seems to have disappeared.) Please note I am using Delphi 10.3 (still on a Win8.1 system). On the MongoDB system, using mongoshell: use testdb db.createUser( { user: "testx", pwd: passwordPrompt(),
Access Database "Direct" mode DDL statements not supported
Delphi 7 with UniDac 10.2.1. We are trying to create a view in an Access database using the TUniSQL component. We are using the new "Direct" mode (which is really wonderful, by the way, because it gets around the 32bit/64bit Access Database Driver problem).
Unprepared Execute False by default > why statements are prepared by default
Why UnpreparedExecute is *False* by default. So you always prepare statements by default? If i understand the help correctly, this will call an additional "PREPARE". (https://www.postgresql.org/docs/current/sql-prepare.html) This is in most cases not
AzureAD Interactive Authentication
Hi, I'm attempting to get AzureAD Interactive Authentication (auADInteractive) working with SDAC connecting to a SQL Azure database. At the moment it always asks for my password and then a two factor auth challenge. This happens every time I start the
Unidac in a Windows Service?
I have spent a lot of time trying to get a couple of applications using Unidac to work as a service. I can get these applications to work ok in GUI mode, but they will not run as a service. I can install the service ok, but when I try to Start the service,
Unidac Postgres - Postgres 14 and older UniDAC postgres
I had to rebuild my old dev environment and installed newer Postgres version, previously had 9.x and went to 14. I have resolved the error, but want to share my solution here. this link let When developing with older unidac 8.4 I ran into issue where
TUniConnection feature request
Hello Please add TUniConnection.CommandTimeout specific option for SQL Server because ConnectionTimeout and CommandTimeout are not the same things. See MSClassesUni.pas, line 1246 It's need for Connection.ExecProc and Connection.ExecProcEx
Connection Pool is used like this ?
---------------------------------------------------------------------------------------- program api; {$MODE DELPHI}{$H+} uses cthreads, db.dataset; begin db.dataset.PoolConexao; end. ----------------------------------------------------------------------------------------
"The client code page 65001 does not have a corresponding SQL Server Collation. InMemory Rowset creation failed."
A customer has set a Windows setting that was marked as beta, but is probably now required by several applications: Control Panel > Clock and Region > Region > Administrative tab > Change system locale button > Beta:Use Unicode UTF-8 for worldwide language
How to use UniDAC to connect to Borland's Paradox database
Hello everyone, I'm maintaining a legacy project, developed in Delphi 7, and using the Paradox database (plzl.DB). I now need to migrate the database using the UniDAC component, but I found that there is no Paradox option in the ProviderName property.
How can detect which driver is used by active TMSConnection?
Hello, How can detect which driver is just used by active TMSConnection from code.. For example if is used Native client 11 or Native client 10 or Ole db provider, or SQL server OLE DB driver 19 or 18....... etc... need something like this showmessage('Iam
Firebird - RETURNING not working
Hello. I'm having problem in Firebird with RETURNING value with latest Unidac 10.1.0 on Delphi 11 update 3. Problem occurs when "same" query is used for SELECT and INSERT/UPDATE. I've attach db.txt with sample table T1 with three fields (ID,f1,f2). Here
UniDAC loading and saving Delphi TMemo
How can I load and then save a Delphi TMemo contents into an sqlite table?
performance of simple "select count(*) from ....."
I run a simple "select count(*) from mytable", but it is quite slow. sqlite3 database. If I do it with sqlitestudio 3.3.3 I get the answer instantaneous. 264000 records. With unidac it takes 6 secs, when I set unidirectional = false or it is much worse
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