大约有 7,000 项符合查询结果(耗时:0.0158秒) [XML]
MySQL Insert Where query
...
MySQL INSERT Syntax does not support the WHERE clause so your query as it stands will fail. Assuming your id column is unique or primary key:
If you're trying to insert a new row with ID 1 you should be using:
INSERT INTO U...
MySQL case insensitive select
Can anyone tell me if a MySQL SELECT query is case sensitive or case insensitive by default? And if not, what query would I have to send so that I can do something like:
...
MYSQL OR vs IN performance
...
Performance reason (quoting MariaDB(a MySQL new free branch) docs): Returns 1 if expr is equal to any of the values in the IN list, else returns 0. If all values are constants, they are evaluated according to the type of expr and sorted. The search for the item t...
MFC中ComboBox控件的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC中ComboBox控件的使用一、如何添加 删除Combo Box内容1,在ComboBox控件属性的Data标签里面添加,一行表示ComboBox下拉列表中的一行。换行用ctrl+回车。2,在程...一、如何添加/删除Combo Box内容
1,在ComboBox控件属性的Data标签里面添...
How can I get enum possible values in a MySQL database?
...wns with enum possible values from a DB automatically. Is this possible in MySQL?
24 Answers
...
30岁之后,程序员该向什么方向发展? - 杂谈 - 清泛网 - 专注C/C++及内核技术
...怕什么?
QA&3. 专注coding还是走向管理,程序员职场规划如何抉择?
严清:
我是选择了偏向 coding,但还是要做一定管理,我要带领小伙伴们提升技术,要推进公司的技术水平,这些还是需要管理的。可以说是管理技术不管产...
Are nested transactions allowed in MySQL?
Does MySQL allow the use of nested transactions?
2 Answers
2
...
PDO MySQL扩展模块 检测通不过的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PDO MySQL扩展模块 检测通不过的解决方法php.in中下面两行已经放开注释:extension=pdo.soextension=pdo_mysql.soPDO检测仍然通不过。终极解决方案:php编译时加上如下参数,重新编...php.in中下面两行已经放开注释:
extension=pdo.so
extension=pdo...
MySQL: Fastest way to count number of rows
Which way to count a number of rows should be faster in MySQL?
12 Answers
12
...
Is there a MySQL command to convert a string to lowercase?
I have a MySQL database of keywords that are presently mixed-case. However, I want to convert them all to lowercase. Is there an easy command to do this, either using MySQL or MySQL and PHP?
...