在DB2建表语句的意思
JS 2011-09-16 03:57:30 临时做个实例
create table XX
(
time integer ,
city_id character(1) ,
user_count integer ,
product_count integer
)
in "tbs_uuc"
index in "tbs_idx_uuc"
;
alter table XX
date capture none
locksize row
append off
not volatile
;
comment on table XX is 'XXXXX'
;
comment on XX
(
time is '时间' ,
city_id is '地市'
…………
)
请问红色标注的的语句是什么意思啊 请高人指点! 小弟在此先谢过!