oracle语句大全

1，创建数据库
create database database-name
2，删除数据库
dorp database dbname
3，备份sql server
——创建备份数据的device
use master
exec sp_addumpdevice'disk','testBack','c:mssql7backup\myNwind_1.dat'
——开始备份
backup database pubs to testBack
4，创建新表
create table tabname (col1 type1 [not null] [primary key],col2 type2 [not null],...)
5，几个简单的基本的sql语句
选择：select * from table1 where 范围
插入： insert into table1(field1,field2) values (value1,value2)
删除：delete from table1 where 范围
更新：update table1 set field1=value1 where 范围
查找：select * from table1 where field1 like '%value1'
排序：select * from table1 order by field1,field2 [desc]
总数：select count as totalcount from table1
求和：select sum(field1) as sumvalue from table1
平均：select avg(fiel)