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 Database
0
votes
1.2k
views
1
answer
database - MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is ... errors when importing a MySQL database? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
798
views
1
answer
database - Securly Storing OpenID identifiers and OAuth tokens
I am creating a web app that will use OpenID logins and OAuth tokens with Youtube. I am currently storing the ... access to a user's account? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.3k
views
1
answer
database - How to solve SQL Server Error 1222 i.e Unlock a SQL Server table
I am working in a database where I load data in a raw table by a data loader. But today the data loader ... My SQL Server version is 2008 R2. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
804
views
1
answer
database - Is there a way to set an "expiry" time, after which a data entry is automatically deleted in PostgreSQL?
Is there any way to set some sort of "expiry" time on data entries in PostgreSQL? I'm thinking about ... such feature for future releases. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
817
views
1
answer
database - What is faceted search?
What exactly is faceted search in the context of full-text search? I even read about it from Wikipedia, ... for our application requirement. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
936
views
1
answer
database - Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default ... by declaring it VARCHAR(253). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.0k
views
1
answer
database - List all sequences in a Postgres db 8.1 with SQL
I'm converting a db from postgres to mysql. Since i cannot find a tool that does the trick itself, i'm going ... view in the 8.4 release. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
712
views
1
answer
database - Two phase commit
I believe most of people know what 2PC (two-phase commit protocol) is and how to use it in Java or most of ... 2PC stops working, does not it?) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
722
views
1
answer
database - How to store 7.3 billion rows of market data (optimized to be read)?
I have a dataset of 1 minute data of 1000 stocks since 1998, that total around (2012-1998)*(365*24*60)*1000 ... RDS so I'm flexible on that See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
820
views
1
answer
database - Build Data Back to ListView Builder [Flutter]
The existing code shows a list of buttons of varying interests. Users can tap to select which interests they prefer. ... it, that will be great! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
782
views
1
answer
database - ORA-01401: inserted value too large for column CHAR
I'm pretty new to SQL Oracle and my class is going over Bulk Loading at the moment. I pretty much get the ... Thank you for the help in advance See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
813
views
1
answer
database - Deciding whether a relation is 3NF or 2NF
From the Database Management Systems book: given the relation SNLRWH (each letter denotes an attribute) and the following ... of a key. STUCK. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
716
views
1
answer
database - Mysql ONLY_FULL_GROUP_BY mode issue - Pick single Image URL(any) for each Album
I need help in a mysql query, here are the details: Three Tables, Album_Master , Album_Photo_Map, Photo_Details ... photos in an album. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
815
views
1
answer
database - How to rollback when an error occurs while executing sql loader command?
If while loading this file $ cat employee.txt 100,Thomas,Sales,5000 200,Jason,Technology,5500 300,Mayla,Technology, ... name, dept, salary ) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
789
views
1
answer
database - Bound combobox items refers to different field items
I got a bounded combobox to a group name in vb.net. i can view in the drop down items of the combobox ... case... any help would be appreciated See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
899
views
1
answer
database - calculating age in years and months in Microsoft Access (2010)
I have two fields (Date of Physical Exam and Date of Birth). I calculated the age in years((Date of Physical ... using code builder or some way. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
728
views
1
answer
database - Reflect List Data Back Into UI [Flutter]
In short, users can choose their interests during onboarding, UI changes and the interests are added to a list. When ... .isChosen = false}); } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
814
views
1
answer
database - Passing column name as parameter in MySQL
Is it possible to do something like this: SELECT template_id as id FROM templates WHERE ? IN ... this with only MySQL? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
746
views
1
answer
database - When to use one field as primary key instead of 2?
I often see some database design like this: Case 1: UserTable --id[auto increase] --UserName --Password -- ... the best approach in this case? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
796
views
1
answer
database - How many records / rows / nodes is a lot in Firebase?
I'm creating an app where I will store users under all postalcodes/zipcodes they want to deliver to. The ... your thoughts? Kind regards, Elias See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
755
views
1
answer
database - SQL Server 2016 Express Management Studio cannot design a new or existing table
In Microsoft SQL Server 2016 Express Management Studio (July 2016) cannot design a new or existing table. Image 1 ... Studio (July 2016) Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.2k
views
1
answer
database - can I access a remote mysql server/db from a stored procedure?
Is it possible to connect to a remote instance of mysql server from a stored procedure using sql statements, ... if possible, though. Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
833
views
1
answer
database - Transactions not working for my MySQL DB
I'm using a MySQL DB for my site, which is hosted on a Linux shared server. I wrote a test script which I ... to the DB. Anything I've missed? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.4k
views
1
answer
database connection - ImportError: No localization support for language 'eng' in python
I am getting ImportError: No localization support for language 'eng' when using MySQL Connector in Python. My Traceback ... to fix this error? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
840
views
1
answer
database - .NET TransactionScope class and T-SQL TRAN COMMIT and ROLLBACK
I am current writing an application that will require multiple inserts, updates and deletes for my business entity. I ... my .NET class library? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
954
views
1
answer
database - ERROR: function addgeometrycolumn is not unique
I am trying to use the following function; SELECT Assign_vertex_id('ways', 0.00001, 'the_geom', 'gid') but for ... how can I fix it? Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
793
views
1
answer
database - Why use MySQL over flatfiles?
A friend and I were debating about whether he should use MySQL or a flatfile database for his website's ... advantages of MySQL over flatfiles? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
970
views
1
answer
database - Querying for entities with missing properties in app engine Datastore?
I have a model which looks like this: class Example (db.Model) : row_num = db.IntegerProperty(required=True) updated ... setting the rest to 0. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
Page:
« prev
1
...
4
5
6
7
8
9
10
11
12
13
14
...
37
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] 为什么会报Uncaught SyntaxError: Unexpected token '<'错误?
[2] reactjs - React asynchronously set data from api in context provider
[3] jquery - Bootstrap 3 DropdownButton which activate file select box
[4] laravel如何保护字段不被save?
[5] java 正则表达式如何输出全部符合match 结果?
[6] How set a variable as a parameter value in JMeter
[7] keras - Is there a way to create a "no prediction" catagory for low probablty predicitons on a multi-class classifcaiton problem?
[8] vue element ui表单验证,输入框的表单验证,设置为数值型,类型验证可以通过,但min,max处一直报错。
[9] vue3对应的vue-template-compiler版本
[10] Failed to parse the incoming object with IO error type 6
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
...