Hi Bela,
forget to mention one thing... *s*
A common error among non-English developers is to activate a collate sequence via Tools|Options in the development environment and not to set a collate sequence in the application. This way, all indexes are generated with the collate sequence "GENERAL" and the application performs quite fast in the development environment. But when running the EXE, performance decreases dramatically, since the EXE does not use the settings of the option dialog. It uses the default setting, which is "MACHINE".
Christof
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Christof