awk% bobj
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                   --- Welcome to BOBJ ---
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      BOBJ version 0.0042 built: Wed May 28 02:25:05 PST 2001
               University of California, San Diego
                  Wed Jun 13 22:05:40 PDT 2001
BOBJ> in b
==========================================
***>  first define the List data structure, for creating columns
==========================================
obj LIST
==========================================
***>  query conditions in SQL select statement
==========================================
obj QUERY-COND
==========================================
***>  select statement in SQL
==========================================
obj TABLE-SELECT
==========================================
***>  database specification
==========================================
bth DATABASE
==========================================
***>  integrated database
==========================================
bth BOOK-DATABASE
==========================================
reduce in BOOK-DATABASE : query(db , SELECT 'title FROM 'book WHERE 
    (('author = ('Joe 'Walter)) and ('price > 33))) 
result ResultSet: query(db1 , SELECT 'title FROM 'book WHERE 
    ((('first-name = 'Joe) and ('last-name = 'Walter)) and ('price > 
    33))) U query(db2 , SELECT 'title FROM 'book WHERE (('author = 
    ('Joe 'Walter)) and ('price > 264))) 
rewrite time: 31ms       parse time: 262ms
==========================================
reduce in BOOK-DATABASE : query(db , SELECT ('author , 'price) FROM 
    'book WHERE ('title = (('Modern 'Operating) 'System))) 
result ResultSet: concat-two-columns-at-as(query(db1 , SELECT 
    (('first-name , 'last-name) , 'price) FROM 'book WHERE ('title = 
    ('Modern 'Operating 'System))) , 1 , 2 , 'author) U 
    each-div-by-8-at-column(query(db2 , SELECT ('author , 'price) 
    FROM 'book WHERE ('title = ('Modern 'Operating 'System))) , 2) 
rewrite time: 87ms       parse time: 127ms
BOBJ> q
Bye.
awk%