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 postgresql
0
votes
1.9k
views
1
answer
postgresql - Heroku "psql: FATAL: remaining connection slots are reserved for non-replication superuser connections"
I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to ... me in the right direction? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.5k
views
1
answer
postgresql - How to make a select with array contains value clause in psql
I have column arr which is of type array. I need to get rows, where arr column contains value s This query: SELECT ... but why doesn't @> work? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.9k
views
1
answer
postgresql - Postgres: check if array field contains value?
I'm sure this is a duplicate question in the sense that the answer is out there somewhere, but I ... based around more complicated examples. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.8k
views
1
answer
postgresql - docker postgres pgadmin local connection
I have created an ubuntu image with nginx, php and postgres. I want to connect the postgres database in my ... local to make connection work. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - How do you change the character encoding of a postgres database?
I have a database that was set up with the default character set SQL_ASCII. I want to switch it to UNICODE. Is there an easy way to do that? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
2.0k
views
1
answer
postgresql - ERROR: permission denied for relation tablename on Postgres while trying a SELECT as a readonly user
GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly; The readonly user can connect, see the tables but when it ... 9.1 What I did wrong? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
2.1k
views
1
answer
postgresql - Psql could not connect to server: No such file or directory, 5432 error?
I'm trying to run psql on my Vagrant machine, but I get this error: psql: could not connect to server: ... postgres psql -d postgres -U postgres See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.5k
views
1
answer
postgresql - Is it possible to have autoincrement number without it being an ID?
I keep googling and find that the only way is to use @Id @GeneratedValue(strategy = GenerationType.Identity) But ... it by manual calculation. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - Returning from a function with OUT parameter
I have an error, but I don't know what the problem is. I want execute a function and return a value ... query has no destination for result data See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - Does a Postgres UNIQUE constraint imply an index?
When adding a unique constraint to a Postgres table does that imply that an index has also been added to that ... have to be added separately? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - Dynamic SQL (EXECUTE) as condition for IF statement
I want to execute a dynamic SQL statement, with its returned value being the conditional for an IF statement: ... variable as the conditional? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - How to convert a postgres database to sqlite
We're working on a website, and when we develop locally (one of us from Windows), we use sqlite3, but ... install postgres on windows? Thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - How to get function parameter lists (so I can drop a function)
I want to get the SQL to drop a function in PostgreSQL. I write DROP FUNCTION and a get function name from ... the SQL to drop the function? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - Postgres password authentication fails
I tried to login with the postgres user from my windows machine to my server with Pgadmin. But it keeps giving me ... 00:00:00+01 useconfig | See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - python pip install psycopg2 install error
I did a simple pip install psycopg2 on mac system. It installed fine, but when I try to use psycopg2 ... reinstalling, same results. Please help See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.5k
views
1
answer
postgresql - Java Enums, JPA and Postgres enums - How do I make them work together?
We have a postgres DB with postgres enums. We are starting to build JPA into our application. We also have Java ... how to do the postgres side. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - Refresh a materialized view automatically using a rule or notify
I have a materialized view on a PostgreSQL 9.3 database which seldom changes (about twice a day). But when it ... that runs every minute or so. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - Polymorphism in SQL database tables?
I currently have multiple tables in my database which consist of the same 'basic fields' like: name ... and multiple specialized tables. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
2.1k
views
1
answer
postgresql - "psql: could not connect to server: Connection refused" Error when connecting to remote database
I am trying to connect to a postgres database installed in a remote server using the following command: psql -h ... . Hope someone can help. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - How to add "on delete cascade" constraints?
In PostgreSQL 8 is it possible to add ON DELETE CASCADES to the both foreign keys in the following table without ... (gid) ON DELETE CASCADE; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - How to make connection to Postgres via Node.js
I find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/ ... find out what it is. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - Permission denied for relation
I tried to run simple SQL command: select * from site_adzone; and I got this error ERROR: permission denied for ... any idea what can be wrong? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - Where are my postgres *.conf files?
I have recently reinstalled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can ... the postgres *.conf files? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.5k
views
1
answer
postgresql - Compute percents from SUM() in the same SELECT sql query
In the table my_obj there are two integer fields: (value_a integer, value_b integer); I try to compute how many time ... 9.1 with Ubuntu 12.04. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.4k
views
1
answer
postgresql - How do I get a column with consecutive, increasing numbers, without having any numbers missing?
Possible Duplicates: How to show row numbers in PostgreSQL query? Resequencing a column with identifier in Postgresql PostgreSQL ... 2, 4, 5? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.7k
views
1
answer
postgresql - Go and IN clause in Postgres
I am trying to execute the following query against the PostgreSQL database in Go using pq driver: SELECT COUNT(id) ... execute this query in Go? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.6k
views
1
answer
postgresql - Joining Results from Two Separate Databases
Is it possible to JOIN rows from two separate postgres databases? I am working with system with couple databases ... need such a feature. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
1.8k
views
1
answer
postgresql - dynamic sql query in postgres
I was attempting to use Dynamic SQL to run some queries in postgres. Example: EXECUTE format('SELECT ... with query result postgresql See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
To see more, click for the
full list of questions
or
popular tags
.
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] js 里click()函数可以安全模拟用户点击吗?
[2] 家庭服务器远程开机
[3] js 离线的语音合成
[4] firebase - react native app size is too huge beacuse of images i have in there
[5] sum of squares (4 values shaping a square) within a 2d numpy array. Python
[6] Leaflet update markers layers
[7] 为什么说二级索引不唯一,不唯一是指什么不唯一呢?
[8] memory - MemoryError in Python when saving list to dataframe
[9] css 如何实现将小火苗逐渐变成火苗的过程
[10] Haskell instance: how could this be some valid code?
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
...