Empty

Prßzdn² datov² typ. Pou₧φvß se tehdy, kdy₧ pot°ebujete deklarova sloupec se specißlnφm typem, kter² neni programem podporovßn.
 
P°φklad:
v Interbase m∙₧ete tφmto zp∙sobem deklarovat vypoΦten² sloupec.
 
Attribute name = First Name
Column name = first_name
Type = empty
Def = computed by (first_name || " " || surname)
Program vygeneruje atribut takto:
first_name computed by (first_name || " " || surname)

 

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