Discussions tagged database
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more than a month ago
Decimals??
Hi I have created a calculated field which determines the average of two sets of figures. Here is my code in the OnCalculatedFields event : Try Dataset.FieldByName('calcAverage').AsSingle:= Dataset.FieldByName('TotalPoints').AsInteger div... -
more than a month ago
ASA Driver Embarcadero Delphi 10.2
I am trying to connect to Sybase Database (SQL Anywhere Ver. 10 / Ver. 17) and I have both (SQL Anyhwere 10, SQL Anywhere 17) installed on my machine. When I add ne FDConnection then can't find an ASA Driver under Driver ID, moreover I can't find th... -
more than a month ago
C++ Builder - TPacketDataSet - Delta - Persist NULL value to database.
Using TPacketDataSet delta to write cached updates to ISAM database record. Using Modified Record pair, The second delta record marked usModified holds every field, with the unmodified fields carrying NULL as the NewValue. Question: How can I deter... -
more than a month ago
How to use a combobox in a master-detail relationship?
I have a master detail relationship between two datasets. Also I have a form where the user fills data to be inserted into/updated from the master table. I'd like to allow the user to select an item from the detail table and insert its id into the ma... -
more than a month ago
FireDac: any way to get SQL data as an object?
Hi,I was wondering whether it's possible to actually get the result of an SQL statement as an object?Did anybody typecast a result into an object?Something like:The class TProduct has a idProduct: integer, idName:String, idPrice:integer and equivalen... -
more than a month ago
Best practice for database Calculated Fields (ado)
I wonder if someone has a best practice for making calculated fields (and make them work properly* in a database grid)? *By working properly I mean updating the calculated field when changing a field contained in the calculation. Like for a Orderde... -
more than a month ago
NexusDB not in GetIt anymore???
Hi, Just upgraded from XE10 Seattle to the Update 1 but NexusDB has disappeared from the GetIt option.Is it just me or anybody else?NexusDB site still says that the Embedded version is available from GetIt...Thanks for any help as I'm stuck now and ...
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