Fujitsu UDS/SQL V2.5 用户手册

Reference section

U929-J-Z125-9-76

  

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9

SET NAME IS set-name
 

This clause is used to specify the name of the set to which the set entry applies. 

[POPULATION IS integer-1[ INCREASE IS integer-2]]

  

must be greater or equal to 0. Default value: 0 

  

must be greater than 0. Default value: 1 

This clause is used to indicate the average number of member records which are expected 
to be in the set occurrences when the database is initially loaded or when the set occur-
rences are extended at a later date. 

         

⎧CHAIN[ LINKED TO PRIOR]                       ⎫

         

                                              

         

⎧POINTER-ARRAY⎫ ⎧ATTACHED TO OWNER           ⎫

[MODE IS 

⎨                                              ⎬]

         

⎨             ⎬ ⎨DETACHED[ WITHIN realm-name]⎬

         

                                            

         

⎩⎩LIST         ⎭ ⎩        [WITH PHYSICAL LINK]⎭⎭

[DYNAMIC REORGANIZATION SPANS integer PAGES]

CHAIN [LINKED TO PRIOR]  

is the only valid specification if the set was defined with ORDER IS SORTED 
(without INDEXED) in the schema DDL. 

POINTER-ARRAY DETACHED WITHIN realm-name  

is the only valid specification if the set is a dynamic set.