大约有 19,000 项符合查询结果(耗时:0.0260秒) [XML]
SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
... Having a problem with a similar situation in PhpMyAdmin over MySQL. In my case, the source and destination columns are in the same table, but record selection is based on the other table. The "SELECT" version of the query works, but the UPDTATE statement throws a syntax error at "FRO...
Capitalize first letter. MySQL
Does any one know the equivalent to this TSQL in MySQL parlance?
13 Answers
13
...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...have also heard good things about Sphinx, especially in conjunction with a MySQL database. Have not used it, though.
IMO, you should choose according to:
The required functionality - e.g. do you need a French stemmer? Lucene and Solr have one, I do not know about the others.
Proficiency in the im...
使用CSplitterWnd实现拆分窗口(多视图显示) - C/C++ - 清泛网 - 专注C/C++及内核技术
...它们的切分条
却是和自动生成的切分条不一样的。那么如何定制自己的切分条呢?通过重载CSplitterWnd的虚方法OnDrawSplitter和
OnInvertTracker可以达到这样的目的。下面的代码生成的效果是分割窗口的边界颜色为红色,分割条的颜色...
How can I use UUIDs in SQLAlchemy?
...nally got it solid.
from sqlalchemy import types
from sqlalchemy.dialects.mysql.base import MSBinary
from sqlalchemy.schema import Column
import uuid
class UUID(types.TypeDecorator):
impl = MSBinary
def __init__(self):
self.impl.length = 16
types.TypeDecorator.__init__(sel...
Insert, on duplicate update in PostgreSQL?
...rom an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax:
16 Answers
...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...io的简单使用(Timer,Thread,Io_service类)2. 同步Timer本章介绍asio如何在定时器上进行阻塞等待(blocking wait).实现,我们包含必要的头文件.所有的asio类可以简单的通过include "...目录:
1. 同步Timer
2. 异步Timer
3. 回调函数的参数
4. 成员函...
PHP PDO: charset, set names?
I had this previously in my normal mysql_* connection:
9 Answers
9
...
Pythonic way to create a long multi-line string
...OT to do it correctly (they're invitations to SQL attacks). See also: dev.mysql.com/doc/connector-python/en/…
– Scott Prive
Oct 8 '16 at 17:29
...
Laravel migration: unique key is too long, even if specified
...allows to store long key indexes.
Server settings (by default included in MySQL 5.7.7+ / MariaDB 10.2.2+):
[mysqld]
# default character set and collation
collation-server = utf8mb4_unicode_ci
character-set-server = utf8mb4
# utf8mb4 long key index
innodb_large_prefix = 1
innodb_file_format = barr...