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
1.1k
views
1
answer
database - How to add sequence number for each element in a group using a SQL query without temp tables
My question is quite similar to the one posted in this link - How to add sequence number for groups in a SQL ... done in Oracle SQL. Any ideas? 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 polling using Java
I am stuck at some point wherein I need to get database changes in a Java code. Request is to get any ... has been added/deleted or updated. 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 - Row numbers for a query in informix
I am using informix database, I want a query which you could also generate a row number along with the query ... is generated in a query. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
915
views
1
answer
database - Native primary key or auto generated one?
As a rule is it better to use native primary keys (ie existing columns or combination of columns) or ... and/or application dependent? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.6k
views
1
answer
database - How to recover data from a deleted Docker container? How to reconnect it to the data?
Let's say, I delete a PostgreSQL docker container which had its data only here: $ docker inspect postgres1 . ... of restoring the whole system)? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database - List of PHP native_type's for PDO getColumnMeta()
I am using the PDO Database Abstraction library to make sure my code is portable. However, I now find ... comes to switching around databases. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database - SQL not a single group group function error
I am having a hard time getting my oracle developer query to output correctly. When I have the avg ... LGBRAND.BRAND_ID ORDER BY BRAND_NAME; 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 - Are long-living transactions acceptable?
I am thinking about using transactions in 2-tier WPF (or windows forms) applications in following way: We can ... and disadvantages of this one. 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 - Pre- and Post-migration scripts for Flyway
I am looking for a way to execute a hook script before and after migration. I have a bunch of views and ... . Is this possible in Flyway? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.5k
views
1
answer
database - Doctrine Query Builder not working with UPDATE and INNER JOIN
In my repository I have this query: $qb = $this->getEntityManager()->createQueryBuilder(); $qb ->update(' ... using join in query update? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database - Oracle: LONG or CLOB?
From these two threads, Why is LONG an issue with Oracle? Is it possible to read a CLOB from a remote ... a better solution than these two? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
913
views
1
answer
database normalization - DB Design: 1st Normal Form and Repeating Groups
To adhere to 1st normal form, one of the things you must avoid is repeating groups. As in instead of: ... have different meanings in Design 5. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database design - MySQL table with a varchar column as foreign key
I am trying to create a table with a varchar column as foreign key but MySql gives me an error while creating ... rewrite my query to fix it? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database - Upload image directly through mySQL Command Line
I have a certain table in mySQL which has a field called "image" with a datatype of "BLOB". I was wondering ... should I place my image files? 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 - How many fields is 'too many' in a table?
I have a coworker who is planning a database for a new app that will have several tables with over 30 fields ... better way of doing this?? 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 - DB2 can't connect to the server
I am tring to set up a db2 server on a Windows 7 machine and I cant connect to database from remote, only from ... to fix it. Thank you for help See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
990
views
1
answer
database - Hosting an Access DB
So I'm inexperienced in hosting DB's and I've always had the luxury of someone else getting the db ... restrictions. Thanks for the responses. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
895
views
1
answer
database - Options for cloud based MS Access backend
Our company has used Access for its database needs. It wants to stick with the current database frontend, but ... cloud based backend. 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 - $unset on multiple fields in mongodb
Suppose I have a collection in mongoDB like given below - { name : "Abhishek", Roll_no : null, hobby : ... a single command. Any ideas? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database - Is there a way to make this SQL more efficient?
Consider the following tables: department deptid (type:INT) deptname (type: TEXT) hours (type:INT) active (type: ... would you improve on this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database - Specify and use multiple libraries in ODBC connection string
My odbc connection string for connecting to DB2i looks like this: Driver={Client Access ODBC Driver (32-bit) ... workaround for this situation. 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 - How can I change the temp folder where sqlite creates etilqs files?
(This question is a spin-off of How to avoid httpd.exe from creating etilqs in CWINDOWSTEMP?) I have Apache ... one to avoid the warnings. 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 - java jdbc accessing multiple resultsets
I have the following structure: List -->List_Participant -->Participant so a list may contain several participants.I ... have the same name? 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 - How can I change the temp folder where sqlite creates etilqs files?
(This question is a spin-off of How to avoid httpd.exe from creating etilqs in CWINDOWSTEMP?) I have Apache ... one to avoid the warnings. 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 - Postgres COUNT number of column values with INNER JOIN
I am creating a report in Postgres 9.3. This is my SQL Fiddle. Basically I have two tables, responses and ... 07-17' GROUP BY a.question_id; 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 - Prepending an * (asterisk) to a Fulltext Search in MySQL
I understand that the asterisk is a wildcard that can be appended to the end of fulltext search words, but what ... the size of my database. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
2.0k
views
1
answer
database - How to insert images in blob in mysql table using only sql syntax (without PHP)?
Hi,I am new to SQL and I wanted to store images in the database.I already created a column with blob ... address will be stored in database. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
database - how to prefix a string before sequence generated by postgresql?
This is a sequence CREATE SEQUENCE technician_id_seq START WITH 1 INCREMENT BY 1 NO MINVALUE NO MAXVALUE CACHE 1; ... much new to postgresql. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
Page:
« prev
1
2
3
4
5
6
7
8
...
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] discord.js - Discord JS - Get who deletes a message
[2] mongo array字段维护有限多少个
[3] android - SQLiteDatabase class cannot be resolved in coding IDE, how to set up it?
[4] elasticsearch如何查询指定index的详细信息,如size、行数等
[5] python - Filenotfound error while running conda clean but file exists
[6] 视频在手机上可以看,在pc网页上只有声音,画面不动
[7] django - VScode redis extension show gebberish
[8] java - Multiple instances of SpringBoot admin
[9] ios - Make SwiftUI view grayscale if an alert/sheet is presented
[10] 如何隐藏element 分页跳到最后一页的按钮?
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
...