1.创建表对象类型. 在Oracle中想要返回表对象,必须自定义一个表类型,如下所示: create or replace type t_table is table of number; 上面的类型定义好后,在function使用可用返回一列的表,如果需要多列的话,需要先定义一个对象类型.然后把对象类型替换上面语句中的number: 定义对象类型: create or replace type obj_table as object ( id int, name varchar2(50
--字符串分割表函数 ) ) declare @i int; declare @count int; ); ); declare @Index int; )) declare @rowID int; set @str='aaa;bbb;ccc;d;'; set @split=';'; ; set @count=LEN(@str); set @ChildStr=@str; ; while @i<=@count begin set @Index= charindex(@split,@ChildStr
◆Oracle查询用户表空间:select * from user_all_tables ◆Oracle查询所有函数和储存过程:select * from user_source ◆Oracle查询所有用户:select * from all_users.select * from dba_users ◆Oracle查看当前用户连接:select * from v$Session ◆Oracle查看当前用户权限:select * from session_privs ◆Oracle查看用户表空间
Option Explicit '声明要加载的函数 Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long Private Declare Function RegCloseKey Lib "advapi32.
#clickhouse-client :create database dw; :use dw; --导入数据: CREATE TABLE Orders ENGINE = MergeTree ORDER BY OrderID AS SELECT * FROM mysql('10.42.134.136:4000', 'dw', 'Orders', 'root', 'xyz'); CREATE TABLE Orders ENGINE = MergeTree ORDER BY OrderID AS S