Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged MySql
0
votes
489
views
1
answer
mysql - Remove duplicates in list of object with Python
I've got a list of objects and I've got a db table full of records. My list of objects has a title ... to check for differences in the titles. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
399
views
1
answer
mysql error: Table "mysql"."innodb_table_stats" not found
I'm getting the following error in mysql 5.6 community edition: : Error: Table "mysql"."innodb_table_stats" not found ... do I fix this error? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
622
views
1
answer
mysql - Calculating time difference between 2 dates in minutes
I have a field of time Timestamp in my MySQL database which is mapped to a DATE datatype in my bean. Now I want ... any way to do this in SQL? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
792
views
1
answer
mysql - Context manager for Python's MySQLdb
I am used to (spoiled by?) python's SQLite interface to deal with SQL databases. One nice feature in python ... 't offer a complete solution. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
478
views
1
answer
mysql - Fetching a Single Row from Join Table
Here are my tables: CREATE TABLE `articles` ( `id` int(10) unsigned not null auto_increment, `author_id` int( ... a minute or more to complete. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
409
views
1
answer
mysql - What happens when I exhaust a bigint generated key? How to handle it?
I can't imagine for myself a good answer for this, so I thought of asking it here. In my mind, I'm ... the right way? Any insights friends. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
440
views
1
answer
mysql - How to estimate SQL query timing?
I'm trying to get an rough (order-of-magnitude) estimate of how long time the following query could take: mysql> ... set (0.00 sec) mysql> See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
621
views
1
answer
mysql - uninitialized constant MysqlCompat::MysqlRes (using mms2r gem)
moved a rails app of mine onto a new server and had to install a few gem dependencies. However, after installing ... running mysql 2.8.1 gem. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
471
views
1
answer
mysql - INSERT INTO Table from multiple tables
Hey so I have a Junction table linking two unrelated tables. Both the tables have ID's. I need to select the ID ... , in this case they don't. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
890
views
1
answer
mysql - Install mysqlclient for Django Python on Mac OS X Sierra
I have already installed Python 2.7.13 Django 1.11 MySQL 5.7.17 I want use MySQL with Django, ... /T/pip-build-f51KhW/mysqlclient/ See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
517
views
1
answer
mysql - Is EXISTS more efficient than COUNT(*)>0?
I'm using MySQL 5.1, and I have a query that's roughly of the form: select count(*) from mytable where a = ... and I don't need an exact count? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
576
views
1
answer
mysql - utf8_bin vs. utf_unicode_ci
My table Website Website_Name//column name Google Facebook Twitter Orkut Frype Skype Yahoo Wikipedia I i use ... upon the following queries See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
644
views
1
answer
mysql - How add unique key to existing table (with non uniques rows)
I want to add complex unique key to existing table. Key contains from 4 fields (user_id, game_id, date, time) ... using only a MySQL query? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
476
views
1
answer
mysql - Sum values of a single row?
I have a MySQL query that returns a single row that is a series of 1s and 0s. It's for a progress bar ... item_1 ... ) AS alias Correct? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
603
views
1
answer
mysql - DELETE FROM `table` AS `alias` ... WHERE `alias`.`column` ... why syntax error?
I tried this with MySQL: DELETE FROM `contact_hostcommands_relation` AS `ContactHostCommand` WHERE (`ContactHostCommand` ... MySQL specific? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
622
views
1
answer
mysql - Counting associated entries with Sequelize
I have two tables, locations and sensors. Each entry in sensors has a foreign key pointing to locations. Using ... }); return Sensor; }; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
943
views
1
answer
mysql - php artisan migrate throwing [PDO Exception] Could not find driver - Using Laravel
I have a bad experience while installing laravel. However, I was able to do so and move to the next level. I used ... , MAMP PRO with php 5.4.4 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
456
views
1
answer
mysql - GROUP BY - do not group NULL
I'm trying to figure out a way to return results by using the group by function. GROUP BY is working as expected, but ... ....but I want all 5. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
507
views
1
answer
mysql - How can I see the specific value of the sql_mode?
There are some sql_mode values in MySQL: ANSI, IGNORE_SPACE, STRICT_TRANS_TABLES, etc How can I see the one particular ... as a column name. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
958
views
1
answer
mysql - WampServer - mysqld.exe can't start because MSVCR120.dll is missing
I've tried to run wampserver on my local side, but mysql server doesn't run. when I try to install service, ... home OS vmware Any help for me? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
627
views
1
answer
mysql - SQL DELETE with INNER JOIN
There are 2 tables, spawnlist and npc, and I need to delete data from spawnlsit. npc_templateid = n.idTemplate is the ... (n.type = "monster"); See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
507
views
1
answer
mysql - Updating entry WITHOUT updating timestamp
I have a timestamp in a mysql table with attribute "ON UPDATE CURRENT_TIMESTAMP". Is there a way to manually disable ... but not to re-date it) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
449
views
1
answer
mysql - Rails 3 query on condition of an association's count
In Rails 3 with mysql, suppose I have two models, Customers and Purchases, obviously purchase belongs_to ... elegant framework of rails. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
620
views
1
answer
mysql - execute *.sql file with python MySQLdb
How can execute sql script stored in *.sql file using MySQLdb python driver. I was trying cursor.execute(file( ... but also with no success. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
430
views
1
answer
mysql - Replacing with PHP
I have a post form, which inserts my text in a MySQL database. I use $post_text = mysql_real_escape_string(htmlspecialchars ... can I fix this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
883
views
1
answer
mysql - ERROR 1115 (42000): Unknown character set: 'utf8mb4'
I have a MySQL dump, which I tried to restore with: mysql -u"username" -p"password" --host="127.0.0.1" ... .69. How can I solve this error? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
453
views
1
answer
mysql - Sorting a subtree in a closure table hierarchical-data structure
I would like to ask you to help me with the problem with sorting of the hierarchical data structure stored as ... to generate and change them. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
753
views
1
answer
mysql - How to select domain name from email address
I have email addresses like
[email protected]
,
[email protected]
[email protected]
... etc. I want a Mysql SELECT ... gmail,ymail,hotmail, etc. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
Page:
« prev
1
...
38
39
40
41
42
43
44
45
46
47
48
...
105
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] 为啥vue中a标签下载点击一次会加载两次下载的情况(刷新的情况下)
[2] mongoose怎么遍历array类型的字段populate到一个属性中
[3] js: return this 无用的数据是否影响性能?
[4] java 获取ipv6 失败
[5] python - Keras Cnn Model wont improve Accuracy
[6] c++ - How to emulate class template argument deduction pre-C++17?
[7] count(1)和 count(*) 的结果不一样
[8] app在后台的时候发送mp4的视频流 就不发了 求助 求助
[9] java - Why is my IDE telling me my if statement is redundant?
[10] Dart ffi - Reading emojis from file with C
2.1m
questions
2.1m
answers
60
comments
57.0k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...