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Delphi Data Access Components

Delphi Data Access Components is a line of DB connectivity solutions for such databases as: Oracle, Microsoft SQL Server, MySQL, InterBase, Firebird, PostgreSQL, SQLite, Microsoft Access, DB2, Sybase Advantage Database Server, Sybase Adaptive Server Enterprise, and other databases (using ODBC provider).

http://www.devart.com/dac.html

Delphi Data Access Components

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245 results found

  1. Cloned Cursors

    Today i'm more and more using TClientDataset because of the cloned cursor and Unidac just for for synchronize and transport between the back end database and the TClientDataset. With a cloned cursor multiple components can share the same data-space and the speed and memory gains are huge, but i would preferer to do this in the unidac and not have another extra layer of technology.

    A tQuery with all the functionality of tClientDataSet would be very nice and Firedac is moving that way.

    15 votes
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    2 comments  ·  Common  ·  Admin →
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  2. Faster access and less trafic over internet en lan

    You should implement a feature to avoid moving a lot of records over the network. The components should keep a record position pointer.
    So if a dbgrid is 20 lines (the system should read only 20 records en send 20 records over the internet of lan. At next page, read the next 20 records and at page back read the 20 previous records.
    It is a feature that is present in ElevateDb and Anydac.
    I am very happy with your components and I know we can set the number of records to return, but the described option should be a…

    14 votes
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    1 comment  ·  Common  ·  Admin →
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  3. Possibility to set options not just for each DataSet, but for the whole session

    Currently such options as FetchAll, QueryRecCount, and others can be set for each DataSet separately. If you need to change these settings, you need either to do it manually at design-time or set them in cycle for all DataSets at run-time.

    We may add an option to set these values for all DataSets for a connection. For example, if FetchAll is set to True for a connection, all DataSets in this connection will use this value. You need to set this property only for those DataSets, that must have different value of this option.

    14 votes
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    1 comment  ·  Common  ·  Admin →
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  4. Retrieving Query Results Row-By-Row

    PostgreSQL 9.2 has a new feature that allows results sets to be returned row by row instead of the whole result set at once.
    This is a huge improvement for larger result sets.
    See here for more info:
    http://www.postgresql.org/docs/9.2/static/libpq-single-row-mode.html

    14 votes
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    0 comments  ·  PostgreSQL  ·  Admin →
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  5. UniDac should support ElevateDb

    ElevateDb is a powerful embedded and C/S database and should be supported by Unidac. It has been around for years and has many features found in PostgreSQL, like bi-drectional replication.

    13 votes
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    3 comments  ·  UniDAC  ·  Admin →
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  6. Add Aggregates to TMSQuery in SQL Server Data Access Components

    13 votes
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    1 comment  ·  Common  ·  Admin →
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  7. Adding OnFieldChange event and the CloneCurrentRecord.

    Hello, I would appreciate (for easy migration from FIB+ to your component suite) adding OnFieldChange event and the CloneCurrentRecord.

    13 votes
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    0 comments  ·  InterBase/Firebird  ·  Admin →
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  8. Add support for the parameter "Enable Cleartext Authentication"

    Add support for the parameter "Enable Cleartext Authentication" in TUniConnection. e.g. for best work "The Cleartext Client-Side Authentication Plugin".

    12 votes
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    0 comments  ·  MySQL  ·  Admin →
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  9. make migrations wizard to unidac from scibits MyComponents

    from scibit

    12 votes
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    0 comments  ·  MySQL  ·  Admin →
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  10. CodeTyphon compatability.

    Would love to see the DevArt components have compatibility for CodeTyphon (FPC/Lazarus fork) as well as instructions for installing/compiling.

    12 votes
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    0 comments  ·  Common  ·  Admin →
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  11. Add beta support for FB 4.0 or at least new data types.

    Please add support for FB 4.0 while it is still in beta or at least add support for the new FB data types so that developers could start using them in new applications.

    12 votes
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    0 comments  ·  InterBase/Firebird  ·  Admin →
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  12. Add support for asynchronous queries for MySQL based on i/o completion ports technology

    There is no Delphi solution for accessing MySQL database optimized for performance on heavy loaded servers.

    12 votes
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    2 comments  ·  MySQL  ·  Admin →
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  13. unidump

    When using mySQL as the provider it is possible to add drop and create table statements to the "backuptofile"-file. This option is not possible when using the Microsoft SQL server provider. Could you please add this option ? :-)

    12 votes
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    1 comment  ·  Common  ·  Admin →
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  14. Unidac connectionstring add parameter column encryption setting=enabled

    Unidac connectionstring add parameter column encryption setting=enabled

    12 votes
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    2 comments  ·  SQL Server  ·  Admin →
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  15. Support open source free embedded database DuckDB

    DuckDB is an open source free and very good embedded database, is it possible to fully embed DuckDB into delphi programs like SQLite, without external DLL files?

    https://duckdb.org/
    https://github.com/duckdb

    12 votes
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    0 comments  ·  Common  ·  Admin →
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  16. Add cache for default values

    FillFieldsDefaultValues (in TCustomDADataSet.DataEvent) procedure is called everytime for a dataset, if Options.DefaultValues is True. It creates a query to get the default values. It might be a good idea to cache the defaults and avoid the query.

    11 votes
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    1 comment  ·  InterBase/Firebird  ·  Admin →
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  17. How about support for an OData/Rest Service?

    10 votes
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    0 comments  ·  Common  ·  Admin →
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  18. Create UniAlerter support for DB2

    UniAlerter - is a component to receive notifications from DB server.
    Currently UniDAC supports Interbase, Oracle and PostgreSQL in UniAlerter.
    It will be great if UniDAC could support IBM DB2 (module DBMS_ALERTER) in UniAlerter component.

    10 votes
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    1 comment  ·  UniDAC  ·  Admin →
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  19. Delphi, MySql simple application code

    Simple Delphi code to show how to use MySql (MyDac) to connect to an external server. How to retrieve and upload from the external database.

    10 votes
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    1 comment  ·  MySQL  ·  Admin →
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  20. Integrate RAD Studio ID window with basic information about the connected database

    10 votes
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    0 comments  ·  InterBase/Firebird  ·  Admin →
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