oracle存儲(chǔ)過(guò)程循環(huán)更新數(shù)據(jù) oracle用存儲(chǔ)過(guò)程插入一條數(shù)據(jù)(用序列實(shí)現(xiàn))?
oracle用存儲(chǔ)過(guò)程插入一條數(shù)據(jù)(用序列實(shí)現(xiàn))?首先創(chuàng)建一個(gè)序列create sequence seq1increment by 1start with 1maxvalue 999999999測(cè)試表
oracle用存儲(chǔ)過(guò)程插入一條數(shù)據(jù)(用序列實(shí)現(xiàn))?
首先創(chuàng)建一個(gè)序列create sequence seq1increment by 1start with 1maxvalue 999999999測(cè)試表create table a(a number(20),b varchar2(10))其次創(chuàng)建存儲(chǔ)create or replace procedure pro_insert(a_p in varchar2)isbegin insert into a (a,b) values (seq1.nextval,a_p) ---seq1.nextval是表示已經(jīng)有的序列上加1 commitend pro_insert插入數(shù)據(jù)SQL> set serveroutput onSQL> execut pro_insert("a") PL/SQL procedure successfully completed SQL> select * from a A B--------------------- ---------- 2 a
oracle存儲(chǔ)過(guò)程查數(shù)據(jù)并生成文件怎么實(shí)現(xiàn)?
create or replace procedure p_cnt(p_time in varchar2,---查詢的條件p_cur out SYS_REFCURSOR)---游標(biāo)返回ISv_sql varchar2(1000) :=""v_date varchar2(20)BEGIN v_date := replace(p_time, "-", "")---時(shí)間的格式轉(zhuǎn)換 v_sql := "select * from dapartment d where d.d_time ="""|| v_date||""""END OPEN p_cur FOR v_sqlEND p_cnt