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U_DOWSHORT

compatibility to FreeUDFLib, FreeUDFLib AvERP, GrUDF

Entrypoint u_dowshort compatible with UTF-8

Inputs/Outputs

   Input      TIMESTAMP      date optionally time 
   Output     CSTRING(4)     shortcut day of week in language of OS

Syntax

   TestSQL
   SELECT 'deutsch: Do.' AS ISCORRECT, U_DOWSHORT('11.11.2010') FROM RDB$DATABASE;
   SELECT NULL AS ISCORRECT, U_DOWSHORT(NULL) FROM RDB$DATABASE;