TnxQuery
Wed, 03/04/2009 - 20:02 | 
hdanzl
NexusDB query component. Default values are shown in the object inspector snapshot.
Icon
Properties and Events view
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Purpose
Similar to a TnxTable component, TnxQuery can be linked to a TnxDatabase and TnxSession and specify a table name for explicit connections or simply link to a session and by using an alias name, create an implicit database component. This component is mostly compatible with the BDE's TQuery; for embedded apps it requires an TnxSQLEngine linked to the server engine. The functionality is limited by the SQL 2003 standard and is most commonly used for complex joins, reporting and bulk updates.
Key Properties
|
RequestLive |
Allows live (editable) datasets to be requested. If the engine can't return a live dataset, the data returned is read-only, irrelevant of this property. |
|
Sql |
the query statement |
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