convert

在oralce中:

CONVERT(c1,set1,set2)

【功能】将源字符串c1 从一个语言字符集set2转换到另一个目的set1字符集 【参数】c1,字符串,set1,set2为字符型参数 【返回】字符串

【示例】 select convert(‘strutz‘,‘we8hp‘,‘f7dec‘) "conversion" from dual;

conver

------

strutz



在sql server中:

CONVERT()函数是把日期转换为新数据类型的通用

CONVERT() 函数可以用不同的格式显示日期/时间数据。

CONVERT(data_type(length),data_to_be_converted,style)data_type(length) 规定目标数据类型(带有可选的长度)。data_to_be_converted 含有需要转换的值。style 规定日期/时间的输出格式。

Select CONVERT(varchar(100), GETDATE(), 120)

				
时间: 2024-10-20 18:50:35

convert的相关文章

C#中Convert和parse的区别

Convert.ToInt32()与int.Parse()的区别(1)这两个方法的最大不同是它们对null值的处理方法: Convert.ToInt32(null)会返回0而不会产生任何异常,但int.Parse(null)则会产生异常. 没搞清楚Convert.ToInt32和int.Parse()的细细微区别时千万别乱用,否则可能会产生无法预料的结果,举例来说:假如从url中取一个参数page的值,我们知道这个值是一个int,所以即可以用Convert.ToInt32(Request.Que

538. Convert BST to Greater Tree 二叉搜索树转换为更大树

Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example: Input: The root of a Binary Search Tree like thi

leetcode 109 Convert Sorted List to Binary Search Tree

题目连接 https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree/ Convert Sorted List to Binary Search Tree Description Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. /** * De

【翻译自mos文章】将Oracle 12c数据库从标准版convert到企业版

将Oracle 12c数据库从标准版convert到企业版 来源于: How to Convert Oracle Database 12c from Standard to Enterprise Edition ? (文档 ID 2046103.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 12.1.0.1 and later Information in this document applies to any pl

Sql Server 中利用Convert 函数转换Datetime 到 String

CONVERT(varchar(10), date, 23) 1    02/22/06            CONVERT(varchar(10), date, 1) 0 Feb 22 2006 4:26PM CONVERT(CHAR(19), CURRENT_TIMESTAMP, 0) 1 02/22/06 CONVERT(CHAR(8), CURRENT_TIMESTAMP, 1) 2 06.02.22 CONVERT(CHAR(8), CURRENT_TIMESTAMP, 2) 3 2

LeetCode OJ - Convert Sorted Array/List to Binary Search Tree

虚函数使用的时机 为什么虚函数不总是适用? 1. 虚函数有事会带来很大的消耗: 2. 虚函数不总是提供所需的行为: 3. 当我们不考虑继承当前类时,不必使用虚函数. 必须使用虚函数的情况: 1. 当你想删除一个表面上指向基类对象,实际却是指向派生类对象的指针,就需要虚析构函数. LeetCode OJ - Convert Sorted Array/List to Binary Search Tree,布布扣,bubuko.com LeetCode OJ - Convert Sorted Arra

Sql 中常用日期转换Convert(Datetime)

CONVERT(data_type,expression[,style]) convert(varchar(10),字段名,转换格式) 说明:此样式一般在时间类型(datetime,smalldatetime)与字符串类型(nchar,nvarchar,char,varchar)相互转换的时候才用到. 语句 结果SELECT CONVERT(varchar(100), GETDATE(), 0) 07 15 2009 4:06PMSELECT CONVERT(varchar(100), GETD

Convert Sorted Array to Binary Search Tree

Given an array where elements are sorted in ascending order, convert it to a height balanced BST. public TreeNode sortedArrayToBST(int[] num) { if (num.length == 0) { return null; } TreeNode head = helper(num, 0, num.length - 1); return head; } publi

[LeetCode] Convert BST to Greater Tree

Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example: Input: The root of a Binary Search Tree like thi

convert in ubuntu

$convert -resize 320x256 woman.bmp woman320x256.png $identify -verbose woman320x256.png Image: woman320x256.png  Format: PNG (Portable Network Graphics)  Class: DirectClass  Geometry: 205x256+0+0  Resolution: 37.79x37.79  Print size: 5.42472x6.77428