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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).

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Delphi Data Access Components

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71 results found

  1. android

    Connect to Firebird direct via Android and IOs without the need for a DB Client similar to PostgreSQL, Mysql, Redshift and Nexus.

    1 vote
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    0 comments  ·  UniDAC  ·  Admin →
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  2. Direct Json result from Db driver (no Dataset)

    For remote server with REST we need a FAST Json result from Db driver, direct, avoiding dataset marshalling.

    3 votes
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    1 comment  ·  UniDAC  ·  Admin →
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  3. TfrxUniDACComponents Suport For Lazarus

    Looking in the "UniDAC\Demos\ThirdParty\FastReport\" folder, I found a component: "TfrxUniDACComponents", which integrates Unidac with FastReport for Delphi, but I didn't find it for Lazarus. I'm using Lazarus 2.2.6 and would like to know if it's possible to develop this component for Lazarus as well.

    3 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  4. Supporting UTF-8 encoding for DBF tables.

    4 votes
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  5. New Function to UniDac (Save\load to JSON and CSV)

    Uniquery,VirtualTable, etc..
    add new functions
    SaveToJSON
    SaveToCSV

    For TVirtualTable
    Add new functions
    LoadFromJSON
    LoadFromCSV

    So the weight of transfered data would be much LOWER then transfer an XML file...

    23 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  6. Debug info shown in DBMonitor

    Unlike other product such as ODAC, for virtualDAC, as now I am using VirutalQuery, if debug is set to true, it seems that dialog will be shown at each step, which make the debug in thread/service very difficult.

    Is it possible, like TOraMonitor of ODAC, we have have sort of TVirtualDACMonitor for VirtualDAC, to push the debug information to dbmonitor, the same behavior as of other product family?

    1 vote
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    0 comments  ·  UniDAC  ·  Admin →
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  7. New Function to UniDac (Save\load to JSON and CSV)

    Uniquery,VirtualTable, etc..
    add new functions
    SaveToJSON
    SaveToCSV

    For TVirtualTable
    Add new functions
    LoadFromJSON
    LoadFromCSV

    So the weight of transfered data would be much LOWER then transfer an XML file...

    8 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  8. Extension of PostGreSQL to support multiple hosts

    With PostGreSQL it is possible to specify multiple host components, each with an optional port component, in a single URI. A URI of the form

     postgresql://host1:port1,host2:port2,host3:port3/

    is equivalent to a connection string of the form 

     host=host1,host2,host3 port=port1,port2,port3.

    Each host will be tried in turn until a connection is successfully established.

    I'd like UniDAC to support this approach.

    3 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  9. proper support for connections in threads so transactions can be used

    Connection Pooling should work in multi threaded environments with transactions.
    I think the current design may be flawed. I think there should be a special connectionpool with which connections can be linked. in a multi-threaded environment, you want the thread to grab a connection, use it, and release it. at the moment, if you want to start a transaction, with connection pooling enabled, the current connection is basically blocked as it does not do anything smart in tracking the underlying connection to a thread. I currenltly get an error - cannot start transaction when one is already active... so I…

    6 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  10. They should have a component that imports data from excel, csv, or text into a table and that supports large files.

    They should have a component that easily imports data from excel, csv or text into a table and that supports large files.

    3 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  11. UNIDAC to support multiple connection pools in one application

    It would be great if UNIDAC could allow the use of multiple connection pools. For example I need two connetion pools to 2 different databases at the same application. This is currently not supported in UNIDAC

    4 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  12. Add CSV import to virtual table in addition to existing XML import.

    It would be good to have the ability to populate a table direct from CSV file

    8 votes
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    1 comment  ·  UniDAC  ·  Admin →
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  13. Properties From MyDAC

    It would be Nice to have implementation of:
    - TUniQuery.CommandTimeOut
    - TUniQuery.Options.NullForZeroDate

    4 votes
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  14. Support TDataset.FieldOptions (AutoCreateMode) in Unidac

    Please implement the support of AutoCreateMode in your components.

    Further description:
    http://docwiki.embarcadero.com/Libraries/Rio/en/Data.DB.TFieldOptions.AutoCreateMode

    With this option it's possible to create calculated fields in design time and all other fields will be added automaticly on runtime.

    3 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  15. Add desing time support for custom SQLite functions with UniDAC.

    When you add a new sql function at runtime (TLiteUtils.RegisterFunction) you can't use it at design time in a UniQuery because the function is unknown.

    1 vote
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  16. csv

    Dar soporte para archivos csv

    4 votes
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  17. SaveTo[File|Stream] / LoadFrom[File|Stream] for all Uni DataSets are really needed in different tasks

    1 vote
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  18. Add "Inverse Null Sort" (f.e.: "IN") function to IndexFieldNames

    As the "coInvertNullOrder" flag -for client side sorting the dataset- is already imlpemented for some of the providers, it would be nice to be able to control the default method how NULL values are sorted (comes as first or comes as last).

    The best approach would be to be able to control this over f.e. with an "IN" postfix in the IndexFieldNames, per field.

    Like: "SomeField DESC IN;OtherField ASC"

    Thx.

    3 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  19. dbmonitor

    dbMonitor - Define in the application for each TUniConnection if it sends messages to dbMonitor or not.

    3 votes
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  20. Add futures for autostart transactions

    Add futures (properties) AutostartTransacttion to UniQuery, UniSQL, UniStoredProc

    1 vote
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