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Easiest way to copy a table from one database to another?
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If you have shell access you may use mysqldump to dump the content of database1.table1 and pipe it to mysql to database2. The problem here is that table1 is still table1.
mysqldump --user=user1 --password=password1 database1 table1 \
| mysql --user=user2 --pass...
How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
How do I drop all tables in Windows MySQL, using command prompt? The reason I want to do this is that our user has access to the database drops, but no access to re-creating the database itself, for this reason we must drop the tables manually. Is there a way to drop all the tables at once? Bear in ...
select * vs select column
...the top of my head is when you want only the value of an indexed column in MySQL (for example, just to check for row existence), and you're using MyISAM storage engine, it'll grab the data from the MYI file, which could be in memory, and not even go to disk!
– Mike Sherov
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Error renaming a column in MySQL
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The standard Mysql rename statement is:
ALTER [ONLINE | OFFLINE] [IGNORE] TABLE tbl_name
CHANGE [COLUMN] old_col_name new_col_name column_definition
[FIRST|AFTER col_name]
for this example:
ALTER TABLE xyz CHANGE manufacurerid manuf...
How do I enlarge an EER Diagram in MySQL Workbench?
I am working on a moderately complex schema in MySQL Workbench, and the single page of the EER diagram is now full up. Does anyone know how to enlarge it to two or more pages?
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Can I use a function for a default value in MySql?
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Sad that MySQL has been around for as long as it has but you can't implement a default UUID for a column without a trigger. The reason for this is embedded in the 1980's technology that apparently still exists in the MySQL base code (...
智能手机图形解锁有多少种可能 - 创意 - 清泛网 - 专注C/C++及内核技术
...这个人的个人网站也不错，http://www.matrix67.com/
Android 的密码是 3 × 3 点阵中的一条路径，这条路径可以交叉，可以“走日字”，几乎是无所不能（只要不经过重复点），但却有一个例外：路径不允许跳过途中必须要经过的点...
Linux编程中各种头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...h>
#include <fcntl.h>
#include <fcntl.h>
涉及到用户权限及密码验证问题时加入如下语句：
#include <shadow.h>
#include <crypt.h>
#include <pwd.h>
需要注意的是，应该在编译时链接加密算法库，即增加编译选项：
-lcrypt
涉及到文件...
git使用代理服务器，提升git速度 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...要鉴权的代理设置，如果需要鉴权，可能需要添加用户名密码信息：
git config http.proxy http://username:password@127.0.0.1:8088
如果git的所有项目都需要启用代理，那么可以直接启用全局设置：
git config --global http.proxy http://127.0.0.1:8088...
支付宝现“幽灵账户” 业内：不必太过惊慌 - 资讯 - 清泛网 - 专注IT技能提升
...料”，就是通过木马软件拦截的全国各地的支付宝账户、密码、绑定的手机号码、身份证号等信息。
对于支付宝用户来说，如果已通过实名认证，最好申请使用数字证书。只有在安装了数字证书的电脑上，才可以对支付宝账户...