ORACLE数据库设计与优化
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相关文档：
create or replace procedure proc_test
( a in number, b out number )
as
begin
b:=a+1;
end proc_test;
现在要调用的话就是这样
SQL> c number;
SQL>exec proc_test(1,:c);
千万要注意别忘了写冒号 ......
Oracle中的存储过程和游标:
select myFunc(参数1,参数2..) to dual; --可以执行一些业务逻辑
一:Oracle中的函数与存储过程的区别:
A:函数必须有返回值,而过程没有.
B:函数可以单独执行.而过程必须通过execute执行.
C:函数可以嵌入到SQL语句中执行.而过程不行.
其实我们可以将比较复杂的查询写成函数.然后到存储过程 ......
一. 死锁的检测
--查死锁的会话。
select A.sid, b.serial#,
decode(A.type,
'MR', 'Media Recovery',
'RT','Redo Thread',
'UN','User Name',
'TX', 'Transaction',
'TM', ' ......
ORACLE常用命令
一、ORACLE的启动和关闭
1、在单机环境下
要想启动或关闭ORACLE系统必须首先切换到ORACLE用户，如下
su - oracle
a、启动ORACLE系统
oracle>svrmgrl
SVRMGR>connect internal
SVRMGR>startup
SVRMGR>quit
b、关闭ORACLE系统
oracle>svrmgrl
SVRMGR>connect&nb ......
首先，你要有一张表！
CREATE TABLE example(
ID Number(4) NOT NULL PRIMARY KEY,
NAME VARCHAR(25 ......
