declare cursor cur_emp is select t.* from scott.emp t; begin for r_emp in cur_emp loop dbms_output.put_line(r_emp.empno || ' ' || r_emp.sal); end loop; end;…

declare r_emp scott.emp%rowtype; cursor cur_emp is select t.* from scott.emp t; begin open cur_emp; loop fetch cur_emp into r_emp; exit when cur_emp%notfound; dbms_output.put_line(r_emp.empno || ' ' || r_emp.sal); end loop; close cur_emp; end;…

declare v_empno scott.emp.empno%type; v_sal scott.emp.sal%type; cursor cur_emp is select t.empno, t.sal from scott.emp t; begin open cur_emp; loop fetch cur_emp into v_empno, v_sal; exit when cur_emp%notfound; dbms_output.put_line(v_empno || ' ' || v…

declare Type ref_cur_variable IS REF cursor; cur_variable ref_cur_variable; v_ename ); v_deptno ); v_sal ,); v_sql ) := 'select t.ename, t.deptno, t.sal from scott.emp t'; begin Open cur_variable For v_sql; Loop fetch cur_variable InTo v_ename, v_dep…

declare Type ref_cur_variable IS REF cursor; cur_variable ref_cur_variable; rec_emp scott.emp%RowType; v_sql ) := 'select * from scott.emp t'; begin Open cur_variable For v_sql; Loop fetch cur_variable InTo rec_emp; Exit When cur_variable%NotFound; d…

declare Type ref_cur_variable IS REF cursor; cur_variable ref_cur_variable; v_empno scott.emp.empno%type; v_ename scott.emp.ename%type; v_sql ) := 'select t.empno, t.ename from scott.emp t'; begin Open cur_variable For v_sql; Loop fetch cur_variable…

declare Type ref_cur_emp IS REF CURSOR RETURN scott.emp%RowType; cur_emp ref_cur_emp; rec_emp cur_emp%RowType; v_sql ) := 'select * from scott.emp t'; begin -- xxx Open cur_emp For v_sql; Open cur_emp For select * from scott.emp t; Loop fetch cur_emp…

declare v_empno scott.emp.empno%type; v_sal scott.emp.sal%type; ) is select t.empno, t.sal from scott.emp t where t.empno = v_empno; begin ); loop fetch cur_emp into v_empno, v_sal; exit when cur_emp%notfound; dbms_output.put_line(v_empno || ' ' || v…

declare r_emp scott.emp%rowtype; cursor cur_emp is select t.* from scott.emp t; begin open cur_emp; if cur_emp%isopen then dbms_output.put_line('is open...'); end if; loop fetch cur_emp into r_emp; if cur_emp%found then dbms_output.put_line('found...…

-- refer: -- http://www.cnblogs.com/gnielee/archive/2009/09/09/1563154.html -- http://www.cnblogs.com/yudy/archive/2012/07/18/2597874.html ); CREATE OR REPLACE FUNCTION splitstr(p_string IN VARCHAR2, p_delimiter IN VARCHAR2 := ',') RETURN ty_str_spli…

create or replace function function_demo RETURN emp PIPELINED as Type ref_cur_emp IS REF CURSOR RETURN emp%RowType; cur_emp ref_cur_emp; rec_emp cur_emp%RowType; begin Open cur_emp For select * from emp t; Loop fetch cur_emp InTo rec_emp; Exit When c…

--PACKAGE CREATE OR REPLACE PACKAGE test_141215 is TYPE type_ref IS record( ENAME ), SAL )); TYPE t_type_ref IS TABLE OF type_ref; FUNCTION retrieve(v_name varchar2) RETURN t_type_ref PIPELINED; END test_141215; -- PACKAGE BODY CREATE OR REPLACE PACK…

--PACKAGE CREATE OR REPLACE PACKAGE test_141213 is TYPE type_ref IS record( ENAME ), WORK_CITY ), SAL )); TYPE t_type_ref IS TABLE OF type_ref; FUNCTION retrieve(v_name varchar2) RETURN t_type_ref PIPELINED; END test_141213; -- PACKAGE BODY CREATE OR…

DECLARE v_sql ) := ''; v_count NUMBER; BEGIN v_sql := v_sql || 'select count(1) from scott.emp t'; EXECUTE IMMEDIATE v_sql INTO v_count; dbms_output.put_line(v_count); END;…

CREATE OR REPLACE FUNCTION function_name RETURN DATE AS v_date DATE; BEGIN ; dbms_output.put_line(v_date); RETURN v_date; END function_name;…

declare v_sal ) :; begin --if you could not see the output in console, you should set output on first use the command in command line : set serveroutput on dbms_output.put_line(v_sal); end;…

--Count the length of string select lengthb('select * from scott.emp') as countted_by_byte, length('select * from scott.emp') as countted_by_char from dual; --For some character encoding, the length() and the lengthb() is same in english --you may us…

CREATE OR REPLACE PACKAGE BODY temp_package_demo is FUNCTION f_demo(userid NUMBER) RETURN BOOLEAN IS v_temp ); BEGIN INTO v_temp FROM scott.emp WHERE empno = userid; RETURN TRUE; EXCEPTION WHEN NO_DATA_FOUND THEN RETURN FALSE; END; PROCEDURE p_demo_1…

CREATE OR REPLACE PACKAGE temp_package_demo is v_demo ); PROCEDURE p_demo_1(userid NUMBER DEFAULT v_demo, SAL number); FUNCTION f_demo(userid NUMBER) RETURN BOOLEAN; END temp_package_demo;…

declare v_sal ; begin loop v_sal :; dbms_output.put_line(v_sal); ; end loop; end;…

declare v_sal ; begin loop v_sal :; dbms_output.put_line(v_sal); then exit; end if; end loop; end;…

declare v_sal ; begin ) loop v_sal :; dbms_output.put_line(v_sal); end loop; end;…

declare v_display ); begin .. loop .. loop dbms_output.put_line(i || ' - ' || j); end loop; end loop; end;…

declare v_job ) := 'Programmer'; v_sal number; begin if v_job = 'Programmer' then v_sal :; elsif v_job = 'Senior Programmer' then v_sal :; else v_sal :; end if; dbms_output.put_line(v_sal); end;…

declare v_sal number; begin ; dbms_output.put_line(v_sal); end;…

declare v_sal ) :; begin --if you could not see the output in console, you should set output on first use the command in command line : set serveroutput on dbms_output.put_line(v_sal); end;…

ORACLE存储过程里游标遍历.调用job定时运行 1,第一种使用For 循环 for循环是比較简单有用的方法. 首先.它会自己主动open和close游标.攻克了你忘记打开或关闭游标的烦恼. 其次,自己主动声明一个记录类型及定义该类型的变量,并自己主动fetch数据到这个变量. 注意C_ROW 这个变量无需要在循环外进行声明,无需为其指定数据类型.它是一个记录类型,详细的结构是由游标决定的. 这个变量的作用域不过在循环体内. 最后,与该游标关联的全部记录都已经被取回后.循环无条件结束,不必判定…

参考文章:https://www.cnblogs.com/huyong/archive/2011/05/04/2036377.html 在 PL/SQL 程序中,对于处理多行记录的事务经常使用游标来实现 使用有四个步骤:定义.打开.提取.关闭 例子: 09:52:04 SCOTT@std1> DECLARE 09:52:07 2 CURSOR c_cursor 09:52:07 3 IS SELECT ename, sal 09:52:07 4 FROM emp 09:52:07 5 WHERE…

原文链接:https://blog.csdn.net/zezezuiaiya/article/details/79557621 Oracle/PLSQL存储过程详解 2018-03-14 17:31:55 平静的起步吧 阅读数 9866更多 分类专栏: 存储过程   一.在plsql中创建一个存储过程 打开plsql,右键procedures,新建.如果新建毫无反应直接文件-新建-程序窗口-空白,新建一个程序窗口:  存储过程创建语法: create [or replace] procedure…

原文 Oracle查看和修改其最大的游标数 以下的文章主要是介绍Oracle查看和修改其最大的游标数,本文主要是通过相关代码的方式来引出Oracle查看和修改其最大的游标数的实际操作步骤,以下就是文章的具体内容的描述,望你在浏览完之后,会有所收获. 1.Oracle查看Oracle最大游标数 C:\Documents and Settings\Administrator>sqlplus "sys/admin@test151 as sysdba" (sys以dba登录test151…