大约有 19,000 项符合查询结果（耗时：0.0210秒） [XML]
MySQL selecting yesterday's date
... would otherwise require a cumbersome and wordy case statement, is that in mysql boolean values are 1 for true and 0 for false, so summing a condition effectively counts how many times it's true. Using this pattern can neaten up your SQL code.
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MySQL: Quick breakdown of the types of joins [duplicate]
I would like a quick breakdown of the types of MySQL joins. I know of these, the rest I am not sure what they mean.
3 Answe...
How to refer to relative paths of resources when working with a code repository
.... How do you solve it when you have the following tree structure: /Project_Root_dir /python_files_dir /Some more subdirs here py_file.py /resources /some subdirs here resource_file.csv
– olamundo
Aug 14 '09 at 12...
Mysql order by specific ID values
Is it possible to sort in mysql by "order by" using predefined set of column values (ID) like: order by (ID=1,5,4,3) so I would get record 1, 5, 4, 3 in that order out?
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Best way to make Django's login_required the default
... Simply check each view function.
import os
import re
def view_modules( root ):
for path, dirs, files in os.walk( root ):
for d in dirs[:]:
if d.startswith("."):
dirs.remove(d)
for f in files:
name, ext = os.path.splitext(f)
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MySQL case sensitive query [duplicate]
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MySQL queries are not case-sensitive by default. Following is a simple query that is looking for 'value'. However it will return 'VALUE', 'value', 'VaLuE', etc…
SELECT * FROM `table` WHERE `column` = 'value'
The good new...
Cast from VARCHAR to INT - MySQL
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Unsigned is working. From when did MySQL changed Integer datatype to Unsigned?
– Lenin Raj Rajasekaran
Aug 26 '12 at 1:36
20
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mysql 库二进制数据默认存放路径 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
mysql 库二进制数据默认存放路径一般放在 var lib mysql，每个库一个子目录。一般放在 /var/lib/mysql，每个库一个子目录。
python MySQLdb模块安装 - 更多技术 - 清泛网 - 专注IT技能提升
python MySQLdb模块安装python-MySQLdb-installMySQLdb是python操作mysql数据库的一个库．mysql的几乎所有的操作都可以实现，在python2系列使用Mysqldb,在python3系列使用pymysql和mysql connect。安装步骤如下：1 pip方式安 MySQLdb是python操作mysql数据库...
python MySQLdb模块安装 - 更多技术 - 清泛网 - 专注IT技能提升
python MySQLdb模块安装python-MySQLdb-installMySQLdb是python操作mysql数据库的一个库．mysql的几乎所有的操作都可以实现，在python2系列使用Mysqldb,在python3系列使用pymysql和mysql connect。安装步骤如下：1 pip方式安 MySQLdb是python操作mysql数据库...