Oracle数据库一些操作
发布时间:2020-12-12 15:30:48 所属栏目:百科 来源:网络整理
导读:创建sequence序列 create sequence TELLER . LOGIN_HISTORY_SEQ minvalue 1 nomaxvalue start with 1 increment by 1 cache 20 nocycle; 创建插入数据的触发器 create or replace trigger "trigger1" before insert on user_login_history referencing old as
创建sequence序列
create
sequence
TELLER
.
LOGIN_HISTORY_SEQ
minvalue
1
nomaxvalue
start
with
1
increment
by
1
cache
20
nocycle;
创建插入数据的触发器
create
or
replace
trigger
"trigger1"
before
insert
on
user_login_history
referencing
old
as
old
new
as
new
for
each
row
declare
begin
select
TELLER
.
LOGIN_HISTORY_SEQ
.nextval
into:new.
login_number
from
dual
;
end
"trigger1"
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