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#1
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![]() Hola Amigos, estoy tratando de eliminar un registro de una tabla Paradox a través del SQLupdate.execSQL pero me da un error el BDE diciendo update failed, alguien me puede dar una mano?
gracias PUPI |
#2
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Como no muestras el código es dificil saber por donde viene el error, pero mira esta ayuda al respecto:
Specifies the SQL DELETE statement to use when applying a cached deletion of a record. property DeleteSQL: TStrings; Description Set DeleteSQL to the SQL DELETE statement to use when applying a deletion to a record. Statements can be parameterized queries. To create a DELETE statement at design time, use the UpdateSQL editor to create statements, such as: DELETE FROM "Country.db" WHERE Name = :OLD_Name At run time, an application can write a statement directly to this property to set or change the DELETE statement. Note: As the example illustrates, DeleteSQL supports an extension to normal parameter binding. To retrieve the value of a field as it exists prior to application of cached updates, the field name with ‘OLD_’. This is especially useful when doing field comparisons in the WHERE clause of the statement. Un Saludo. |
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