• 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?
  • TUniQuery fails with Parameterized UpdateSQL while updating data in AWS to Bablefish for Aurora PostgresSQL

    Hi We have been using your wonderful library of UniDAC components (for SQL Server) for several years now and currently use version 10.1.0 professional version for Delphi 12. Currently we were evaluating to move our database to AWS through Bablefish implementation
  • Define ClientID and ClientSecret in Dynamics365 ODBC DSN

    Hello, how is it possible to store a ClientID and a ClientSecret in a Windows ODBC connection for the Devart driver in the ODBC Manager? I only see the option to generate a token, and I am then prompted to log in. However, I would like to create an app
  • Schema Compare for Postgresql: Triggers comparison

    Hello Where can I find an exhaustive list of what schema objects are currently supported and not supported when doing a schema comparison using dbForge for PostgreSQL? I was under the impression triggers are supported by this does not seem to be the
  • Oracle Idle Time and Odac

    I am running Odac 12.1.1 with Oracle as my database. In Oracle, the idle time is set to 1 min. SQLPlus disconnects perfectly after 1 min idle time. My frontend application however exactly disconnects after 3 min Why is that ? Anyone else seen such behaviour
  • Why no feature to convert T-SQL to LINQ for .NET 9 Core?

    I keep requesting and keep hoping my yearly subscription will get T-SQL to LINQ for .NET 9 core. But sadly every year passes an no feature added? Stored Procedures are a thing of the past and most development projects no longer use them. It's 2025, can't
  • Documentation tool doesn't generate flow diagrams for Stored Procedures?

    I'm puzzled that such an important feature for those of us converting legacy databases to a more modern architecture don't have any tools that can flow diagram T-SQL stored procedures? I feel like your products are dancing around "real world" developer
  • VirtualQuery IsNULL

    Hi, Is use a virutalQuery to show informations : 1. SELECT A.INT_COUT,A.MAT_ID,A.INT_DEB,A.INT_TECH,CAST(SUBSTR(A.INT_DESC,0,255) AS VARCHAR(255)) AS INT_DESC_T,CAST(SUBSTR(A.INT_ACT,0,255) AS VARCHAR(255)) AS INT_ACT_T,A.INT_FIN,A.INT_TYPE,(B.T_CIVILITE
  • SqLite Localized Order

    Hi With Android Studio Java I can select a sqlite table like Select * From MyTable Order By Name Collate Localized The data returns ordered by with my language specific characters But there is no such an option with Delphi/Unidac I receive an exception
  • Invalid SQL when ordering on a calculated boolean field: "ORA-00920: invalid relational operator"

    We are experiencing malformed SQL when ordering on a calculated boolean field. This is an example of the invalid SQL: SELECT "c".ID, "c".NAME "Brand", (CASE WHEN ( SELECT COUNT(*) FROM MODELS "m0" WHERE "m0".CAR_ID = "c".ID) > 1 THEN 1 ELSE 0 END) "HasMoreThenOneModel",
  • Ora error when filtering/ordering on a calculated boolean field: "ORA-00933: SQL command not properly ended"/"ORA-00920: invalid relational operator"

    We are experiencing malformed SQL when ordering/filtering on a calculated boolean field. This is an example of the invalid SQL SELECT "c".ID, "c".NAME "Brand", (CASE WHEN ( SELECT COUNT(*) FROM MODELS "m" WHERE "m".CAR_ID = "c".ID) > 1 THEN 1 ELSE 0 END)
  • Cannot find Datamodel.hbml file error NHibernate

    I am following the instructions for database first creation. However, at the end, the template fails to find the hbml file in the appdata folders. This only happens with NHibernate templates.
  • .NET 9 - devart.Data.Oracle.EFCore method not found

    Updating everything for .NET 9.0 and suddenly I get the following error: System.MissingMethodException: 'Method not found: 'Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression Microsoft.EntityFrameworkCore.Query.SqlExpressionFactory.Constant(System.Object,
  • Batch move and creating destination table in Access

    Hello! I'm experimenting so that we can move away from Paradox onto something a little bit more useful. For the time being, however, the "temporary fix" is Access. Let's not go into the why, how, etc. For now this is the best course of action. The access
  • Is there a better way to view this panel info?

    When viewing indexes for a table, the index "details" panel (see image attached) is incredibly awkward, being compressed into a small space. Is there a way to better view that panel to use it more easily? e.g. a different window/panel arrangement or an
  • Compare to schema inside same database

    Hi, I started to evaluate DbForge Studio for PostgreSQL. I wan't to compare schemas inside database. (I mean those schemas which are created by CREATE SCHEMA myschema); our use case is for example a franchising chain, where all companies are under same
  • ODAC local filter raises EVariantTypeCastError

    We have tried to use a newer ODAC version in production. The following issue is a showstopper for us. It seems that this issue exists since version 12.3.0. Steps: - compile and execute the following command line application Expected: the output is PASS
  • SecureBridge TscSSHClient irregularly causes critical crash in FMX app on IOS when disconnecting

    Hello, after refitting a mobile application with SecureBridge to enable SFTP data exchange I have encountered the following problem: In irregular intervals the app crashes fatally when performing an SFTP data exchange. With the help of the debugger I
  • DBExpress driver for PostgreSQL

    Hello, I've read that you can't use multi transaction with Devart drivers for PostgreSQL. But I also read that PostgreSQL seemed to support it. Can you tell me what's going on? Thank you in advance. Lbn69
  • ODAC: "Invalid Field Type" when calling a stored function with VARCHAR2 params

    We have developed a VCL application in C++Builder, using RAD Studio 12 Version 29.0.51961.7529 (Version 12.1 basically) with a target platform Windows64. Our database is Oracle 19 running on an ODA with latest patches. The problem always occurs when I
  • EntityDAC developer on Oracle

    Hello, I'm trying to use Entity Developer to generate model for my Oracle database. It seems that after model generation some table are not still present in the database. I'm using Entity Developer version 6.12.1354 trial. Thank you, Luca
  • Access denied for user 'x'@'ip' (using password: YES)

    Hello, This is maybe a strange question, but I am evaluating the mysql connector and I started by trying to generate a model Entity Developer (with entity framework - database first approach). The problem is that I am not even able to connect to my server,
  • Intellisense/Suggestions for Locally Created Temp Tables?

    I create local temp tables and query from them often in my script. In my previous installations of SSMS with (and without) SQL Complete, I was able to write "SELECT * FROM #" and would receive suggestions for available temp tables to query, including
  • Universal Error in Mysql

    hi all ! Im getting the following error and I dont know whats causing it. Exception thrown: 'System.NotSupportedException' in Devart.Data.dll UniDbType not supported by current data provider This is how I setup the connection public new Devart.Data.Universal.UniConnection
  • SQL Formatter Select List Margin Break

    Hi there. Is it possible to break the SELECT list at a particular margin point? I'd like to leave the Select List "Stack Columns" option as Single Line, but I'd like to be able to specify when the Select column list should break to a new line. Is this
  • Module Class connect() method ConnectMode = "Unsafe" parameter

    Hi All, I am using this connector for a few days now and I am quite happy with it. Recently I had to deal with a connection to a 3rd party Visual Foxpro database in which I couldn't connect because the dbf file I wanted to access was locked by another
  • XDBGrid sort function doesn't work

    I'm using the XDBGrid sorting feature in FireDac, but it doesn't work in uniDac. If you have any solutions, please let me know. XDBGrid Designer -> Contrlo2 -> sortingControl
  • Solution made with Mysql for Visual studio 12.0.1

    Hello, I am trialing Devart dotConector with Visual Studio 2019. I have a full vb.net solution, which has datasets (XSD) created by MySQL for Visual Studio. I was hoping to just migrate these across to use the Devart.mysql.data namespace (from Mysql.Data.mysqlClient)
  • opened connection by an exception

    In the TCustomPgDataSet.Execute(PgAccess) becomes TCRConnection.FAutoCommit(CRAccess) set to false and not reset after the exception in the RefreshRecord. Then the error dialog, through our THauptForm.ShowServerTimer a ConnectionCheck with "Select true,"
  • Firbird 5.0 / Substring in IbcQuery.Filter

    Hello devart team, Try to filter an IbcQuery (latest release) with firebird 5.0 : IbQuery1.Filtered :=False; IbQuery1.Filter := Substring( MyField from 1 for 5) = 'Hello' IbQuery1.Filtered :=True; This rise an error : "Substring is an unknown Field" (Something
  • SOQL queries - field/column aliases not recognized and/or toLabel() function duplicate field errors

    Currently running Devart ODBC Driver for Salesforce 3.4.1, set up as linked server in MSSQL 2019 (15.0.4405.4), and I don't seem to be able to use field aliases when running SOQL queries via an OPENQUERY statement. For example: SELECT * FROM OPENQUERY(PCCUSFPROD,
  • Schema compare for PostgreSQL free and commercial editions (dbForge Studio for PostgreSQL)

    Is there any difference between Schema compare for PostgreSQL free and commercial editions (dbForge Studio for PostgreSQL)?
  • .Net 9 / EF Core 9 support

    Hi, What is the roadmap / delay to support .Net 9 / EF Core 9 on the Devart.Data.MySql.EFCore library ? Regards.
  • Data management system

    Data is the backbone of generation
  • This server version 17.1 is not currently supported

    I installed the latest dbForge Studio for Postgres. Running on windows 10. Postgres container (latest version from last week) is running in docker desktop for windows on port 5432. When I am creating the connection, dbForge studio is able to connect and
  • How to disable formatting of Stored Procedure/Function code in backup?

    In some Functions I format the code myself. However, in the backup copy my formatting is lost, and instead it is replaced by automatic formatting. How do I prevent this? I use dbForge Studio 2020 for MySQL
  • Live Data

    In the latest version of dbForge Studio for SQL Server is there any 'live data' functionality to show rows populating as a simple query executes instead of having to wait for the entire query to finish before showing results? For example: select * from
  • Set connection parameters via command line

    Hello, we would like to use dbForge for MySQL with PAM solution (not Percona) that requires setting connection parameters via command line (username, password, dbname) to launch dbForge for MySQL application on Windows. Is that possible?
  • UniLoader has problem with importing data to a table with default value columns in MSSQL.

    Hello, UniLoader has problem with importing data to a table with default value columns in MSSQL. I received an "unspecified error" message. If I provide the data myself, it works fine, but I would like the data to be filled with the schema's default value.
  • I have Error in dbForge Monitor SQL Server "this metrics not supported by the current Microsoft SQL Server edition"

    Hi, I have Error in dbForge Monitor SQL Server "this metrics not supported by the current Microsoft SQL Server edition" What have I do?
  • Next Page

  • Most Discussed Topics

  • new UNIDAC (11.0) don't support Unicode? older version (9.3) done well.

    new UNIDAC (11.0) don't support Unicode? older version (9.3) done well.
  • Maximum Depth Of An Expression Tree in direct mode on TUniConnection

    Hi, how I can increase Maximum Depth Of An Expression Tree value in direct mode on TUniConnection?
  • IBDAC Firebird Prepare

    Hello, i am confusing using Prepare when setting parameters, should i set the values before prepare or after : SQLQuery.Prepare; <-------------------HERE SQLQuery.ParamByName('Param').AsString := 'YourValue'; SQLQuery.Prepare; <------------------- OR
  • dotConnect for Oracle - Devart.Data.Oracle.OracleException - ORA-00933: SQL command not properly ended

    Devart.Data.Oracle.OracleException (0x80004005): ORA-00933: SQL command not properly ended was raised when I use MaxBatchSize. Versions: - Devart.Data.Oracle.EFCore :10.4.235.8 - Devart.Data.Oracle :10.4.235 - EntityFrameworkCore: 8.0.13 Ex: optionsBuilder.UseOracle(_oracleSessionManager.GetOrCreateOracleConnection(),
  • Update Failed

    Hi I upgraded to IBDAC 10.0.0 and now there is an error after inserting a record. (after the refresh) "Update Failed Found 0 records" Now I have downgraded to 9.3.0 and it works again. I have a TIBCQuery-Object with SQL: SELECT KDMANAG.*, (Select MINAME
  • Popular Topics

  • new UNIDAC (11.0) don't support Unicode? older version (9.3) done well.

    new UNIDAC (11.0) don't support Unicode? older version (9.3) done well.
  • dotConnect for Oracle - Devart.Data.Oracle.OracleException - ORA-00933: SQL command not properly ended

    Devart.Data.Oracle.OracleException (0x80004005): ORA-00933: SQL command not properly ended was raised when I use MaxBatchSize. Versions: - Devart.Data.Oracle.EFCore :10.4.235.8 - Devart.Data.Oracle :10.4.235 - EntityFrameworkCore: 8.0.13 Ex: optionsBuilder.UseOracle(_oracleSessionManager.GetOrCreateOracleConnection(),
  • Update Failed

    Hi I upgraded to IBDAC 10.0.0 and now there is an error after inserting a record. (after the refresh) "Update Failed Found 0 records" Now I have downgraded to 9.3.0 and it works again. I have a TIBCQuery-Object with SQL: SELECT KDMANAG.*, (Select MINAME
  • IBDAC Firebird Prepare

    Hello, i am confusing using Prepare when setting parameters, should i set the values before prepare or after : SQLQuery.Prepare; <-------------------HERE SQLQuery.ParamByName('Param').AsString := 'YourValue'; SQLQuery.Prepare; <------------------- OR
  • Maximum Depth Of An Expression Tree in direct mode on TUniConnection

    Hi, how I can increase Maximum Depth Of An Expression Tree value in direct mode on TUniConnection?
  • Popular Articles

  • How to Download and Install a Previous Version of the Product

    If you need to download and install an earlier version of a product, other than the latest release available on the website, follow these steps: Uninstall the Newer Version: To install a previous version available under your license, you must first ...
  • How to Connect to MySQL Server

    In the second article of the series uncovering how to get started with MySQL, we talk about the ways of connecting to MySQL Server. You can connect to MySQL Server using MySQL Client, dbForge Studio for MySQL, and MySQL Workbench. In this article, we ...
  • How to Automatically Create a Dump File on Crash for Studios, Standalone Tools, and MiniTools

    If a crash occurs, you can configure the system to automatically create a dump file for debugging purposes. Follow the steps below to create the required registry keys for different products, such as dbForge Studio, Standalone Tools, and MiniTools. ...
  • Cannot Open Table ‘Case’ and ‘Order’ in SSMS with ODBC Driver for Salesforce

    When working with SQL Server Management Studio (SSMS) and the Devart ODBC Driver for Salesforce, you may encounter difficulties accessing certain tables such as Case or Order. Important Note on SSMS Behavior Queries in SSMS are first processed by SQL ...
  • How to Activate a Trial Version in dbForge Products

    Starting from release 2025.1, the method of using the trial version and Express Edition has been updated for all paid dbForge products. To help you get started smoothly, please follow the step-by-step instructions below. As of version 2025.1, ...