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
395
views
1
answer
mysql - Value '0000-00-00' can not be represented as java.sql.Date
I'm working on some project which needs to extract data from DB and I use Spring MVC to build model from DB ... but the actual type is Date. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
560
views
1
answer
mysql - Troubles of adding a new ID (auto increment) after table exist
I have a table with 38.000 records, but without any auto increment column like ID. Now I have to add an ... m wondering could there be troubles? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
615
views
1
answer
mysql - Select distinct records on a join
I have two mysql tables - a sales table: +----------------+------------------------ ... specify DISTINCT or use a LEFT OUTER JOIN or something? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
571
views
1
answer
mysql - Using Pentaho Kettle, how do I load multiple tables from a single table while keeping referential integrity?
Need to load data from a single file with a 100,000+ records into multiple tables on MySQL maintaining ... Creating a New Database Connection See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
642
views
1
answer
mysql - XAMPP Start automatically on Windows 7 startup
XAMPP Version 3.2.1 installed on Windows 7. It didn't get started automatically on Windows boot. Tried: ... shows neither Apache nor MySQL. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
412
views
1
answer
mysql - Is cross-table indexing possible?
Consider a structure where you have a many-to-one (or one-to-many) relationship with a condition (where, ... tableTwo_eventTime desc limit 0,10; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
485
views
1
answer
mysql - Selecting first and last values in a group
I have a MySql table consisting of daily stock quotes (open, high, low, close and volume) which I'm trying ... carry any record for that date. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
543
views
1
answer
mysql - Varchar to number conversion for sorting
I have a query ordered by column: select * from mytable order by column asc - sort table column type is varchar, so ... is: 1 10 11 12 13 100 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
412
views
1
answer
mysql - What is the SQL command to return the field names of a table?
Say I have a table called myTable. What is the SQL command to return all of the field names of this ... for other database systems as well. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
439
views
1
answer
mysql - How to improve INSERT INTO ... SELECT locking behavior
In our production database, we ran the following pseudo-code SQL batch query running every hour: INSERT INTO ... do the query there. 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 - Can you automatically create a mysqldump file that doesn't enforce foreign key constraints?
When I run a mysqldump command on my database and then try to import it, it fails as it attempts to ... import it without manually updating it. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
556
views
1
answer
mysql - How to debug a query in extbase?
$query = $this->createQuery(); return $query->matching($query->like('linker', "$linkerKey=$linkerValue")) -> ... just receive a blank page. 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 - Can a foreign key act as a primary key?
I'm currently designing a database structure for our team's project. I have this very question in mind ... sure answer to my questions. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
511
views
1
answer
mysql - Import CSV to Update rows in table
There are approximately 26K products (posts) and each product has meta values like this: The post_id column is ... by using LOAD DATA INFILE. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
756
views
1
answer
mysql - Incorrect integer value: '' for column 'id' at row 1
I am trying to insert into my mySQL database. The first column is the 'id' column, since its an auto_increment ... '$nte', '$jobSiteNumber')"; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
549
views
1
answer
mysql - order sql tree hierarchy
What is the best way to sort a table like this: CREATE TABLE category( id INT(10), parent_id INT(10), ... too many people got confused, sorry. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
467
views
1
answer
mysql - getting mysql_insert_id() while using ON DUPLICATE KEY UPDATE with PHP
I've found a few answers for this using mySQL alone, but I was hoping someone could show me a way to ... to the PHP mysql_insert_id() function? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
551
views
1
answer
mysql - Set the variable result, from query
When I create the saved procedure, i can create some variable yes? for example: CREATE PROCEDURE `some_proc` () BEGIN ... (*) FROM mytable ; ? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
674
views
1
answer
mysql - Why INSERT IGNORE increments the auto_increment primary key?
I wrote a java program that accesses a MySQL innodb database. Whenever an INSERT IGNORE statement encounters a ... CHARSET=latin1; Thank you! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
892
views
1
answer
mysql - Remove trailing zeros in decimal value with changing length
I have a procedure I am doing that displays odds but the client wants only significant digits to be shown. So, 1. ... 2 4.45 Thanks for any help See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
809
views
1
answer
mysql - Alter table without locking the entire table
Does ALTER TABLE sample ADD COLUMN `hasItem` tinyint(1) DEFAULT NULL lock the entire table? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
470
views
1
answer
mysql - Creating DATETIME from DATE and TIME
Is there way in MySQL to create DATETIME from a given attribute of type DATE and a given attribute of type TIME? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
555
views
1
answer
mysql - Export list of pretty permalinks and post title
Looking for a way to export a list of pretty permalinks in WordPress with the corresponding post title. Looking ... prefer the full permalink. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
442
views
1
answer
mysql - Cannot install mysql2 gem
I'm unable to install the mysql2 gem in my Windows7 x64 system. I tried using both the 32-bit and ... this gem properly installed and working. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
709
views
1
answer
mysql - joining two select statements
Can anyone tell me why the following won't work? It complains of a syntax error near the join key word between ... C.orders_id = D.orders_id ) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
710
views
1
answer
mysql - How do I add two count(*) results together on two different tables?
I have two tables: Toys and Games. +--------------------+------------------+ | Field | Type ... . Let's assume that we can't change the schema.) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
682
views
1
answer
mysql - Can I use VARCHAR as the PRIMARY KEY?
I have a table for storing coupons/discounts, and I want to use the coupon_code column as the primary key, ... 'm missing/not thinking about. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
0
votes
577
views
1
answer
mysql - Native table 'performance_schema'.'???' has the wrong structure
I am getting the following: Native table 'performance_schema'.'file_instances' has the wrong structure Native table ' ... server has gone away" See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mysql
Page:
« prev
1
...
33
34
35
36
37
38
39
40
41
42
43
...
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] 能不能!!来个人!!解析wepy2.0中app.wpy里面方法的作用???
[2] haskell - Is this a good monoid action?
[3] mac版VMware远程桌面连接直接显示桌面已断开连接
[4] python - Varying speed when messages are sent and recieved by discord bots
[5] html - aligning multiple items in center for all devices
[6] Nodejs接口不支持https怎么解决?
[7] javascript - how to find if key value pair exists in json object using switch statement
[8] 为什么这个爬虫一直412
[9] excel - how can I create a global variable to reset value every time textbox value changes?
[10] I am newbie in Selenium. Can anyone tell me how to handle such kind of error?
2.1m
questions
2.1m
answers
60
comments
56.9k
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
...