大约有 42,000 项符合查询结果（耗时：0.0191秒） [XML]
Equals(=) vs. LIKE
... can produce results different from the = comparison operator:
mysql> SELECT 'ä' LIKE 'ae' COLLATE latin1_german2_ci;
+-----------------------------------------+
| 'ä' LIKE 'ae' COLLATE latin1_german2_ci |
+-----------------------------------------+
| 0 |...
MySQL, Check if a column exists in a table with SQL
...query and I think it needs a small alteration to get it working properly.
SELECT *
FROM information_schema.COLUMNS
WHERE
TABLE_SCHEMA = 'db_name'
AND TABLE_NAME = 'table_name'
AND COLUMN_NAME = 'column_name'
That worked for me.
Thanks!
...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...nerable to certain attack vectors.
Imagine the following SQL:
$result = "SELECT fields FROM table WHERE id = ".mysql_real_escape_string($_POST['id']);
You should be able to see that this is vulnerable to exploit.
Imagine the id parameter contained the common attack vector:
1 OR 1=1
There's no...
Search All Fields In All Tables For A Specific Value (Oracle)
...based on
what I think it should be named but it
returned no results.*
SELECT * from dba_objects WHERE
object_name like '%DTN%'
A column isn't an object. If you mean that you expect the column name to be like '%DTN%', the query you want is:
SELECT owner, table_name, column_name FROM all_tab...
Most efficient T-SQL way to pad a varchar on the left to a certain length?
...cely. It will also perform the conversion for you:
declare @n as int = 2
select FORMAT(@n, 'd10') as padWithZeros
Update:
I wanted to test the actual efficiency of the FORMAT function myself. I was quite surprised to find the efficiency was not very good compared to the original answer from Al...
How to get a date in YYYY-MM-DD format from a TSQL datetime field?
...
SELECT CONVERT(char(10), GetDate(),126)
Limiting the size of the varchar chops of the hour portion that you don't want.
share
|
...
Building an MFC project for a non-Unicode character set is deprecated ...
...MBCS) 的 MFC 库 (DLL) 不再包含于 Visual Studio 中，但是可用作插件，您可以在任何装有 Visual Studio Professional、Visual Studio Premium 或 Visual Studio Ultimate 的计算机上下载和安装。（在 Visual Studio 中，必须启用 MFC。）安装需要大约 440 MB 磁...
Discuz菜单栏下面广告怎么弄？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...www.discuz.net/thread-1664859-1-1.html" target="_blank">Yeswan-绑定域名插件</a></em>
</p>
</div>
Discuz 菜单栏 广告
扩展jQuery的功能限制只能输入数字 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...通常是样板式的，因此我们可以考虑将其做成一个jQuery的插件以方便使用。
// 限制只能输入数字
$.fn.onlyNum = function () {
$(this).keypress(function (event) {
var eventObj = event || e;
var keyCode = eventObj.keyCode || eventObj.which;
...
Jenkins持续集成（CI）：开发过程中自动执行UT测试 - 项目管理 - 清泛网 - ...
...接到 Build 配置
（注：HTML报告配置使用的是HTML Publisher插件，下载地址：https://plugins.jenkins.io/htmlpublisher/）
上面的编译脚本配置完成，执行编译验证。
顺利完成编译，报告也就能编译出来了。
点击查看静态代码分析报告...