Category "database"

Not able to create sharded collection

I have a mongodb Cluster with one config node(replication),one query node , and one shard node(with replication). I tried to create sharded collection but it is

Aerospike vs. SeaweedFS?

Aerospike is a (mostly commercial) distributed key value NoSQL database. SeaweedFS is a (open source) distributed file system that is based on Facebook’s

How to update record with the same data of existing record

How to update record many columns with the same data of existing record in the same table . For Example : id name m_value 1 moh 1000 2 jo 0

How Do I Seed My Database in the setupBeforeClass Method in a Laravel 4 Unit Test?

I have a Laravel 4 test class with some tests for which I want to seed my database before running the tests. Using the setup() function to reseed for each test

django makemigrations and migrate on heroku server don't create tables

Python Version 2.7 Django Version 1.9.7 I have created a Django app on heroku. I can't get the heroku server to migrate properly. In the past I have done all

The network path was not found

I'm running my code and getting this error. But what does it mean? The network path was not found Description: An unhandled exception occurred during the

PDOException SQLSTATE[HY000] [2002] No such file or directory

I believe that I've successfully deployed my (very basic) site to fortrabbit, but as soon as I connect to SSH to run some commands (such as php artisan migrate

how to make oracle UTL_HTTP.request asynchronous?

I have a job that runs periodically , and I am not interested in the response ?? is there anyway to make the calling convention , request without waiting for t

C# - ASP.NET - Inserting Date from a calendar into a DataBase

I am trying to store the date from a calendar which the user has selected into a database. It seems to not being inserting it into the Access Database. The DB f

Difference between sparse index and dense index

I am very confused to understand the difference between sparse index and dense index. Can you explain the difference between them ?

Is there any way to get all ookla server list and store this into a data base?

i wanted to insert all available ookla servers into my data base for the speed test purpose for my android application. But i am not getting any way to find out

Cloudkit Public Database Error: "WRITE operation not permitted"

I have currently a problem with the CloudKit Public Database. Sometimes I receive an error when modifying records: Permission Failure" (10/2007); server messag

When logging in to Oracle Enterprise Manager, it is asking me for the credentials again. Why?

I'm trying to log in to: https://localhost:5500/em/login First, I entered my credentials at the bottom right area. Then, I clicked the button. After that, a po

Managing database connections in Node.js, best practices?

I'm building an Node application which will query simple and more complex (multiple joins) queries. I'm looking for suggestions on how I should manage the mySQL

Query to order by the last three characters of a column

Query the name of any student in STUDENTS who scored higher than 75 marks. Order your output by the last three characters of each name. If two or more students

How to store sets of objects that have occurred together during events?

I'm looking for an efficient way of storing sets of objects that have occurred together during events, in such a way that I can generate aggregate stats on them

What are other options for storing data in a web application besides a database? [closed]

I have a pretty small database (15 tables, ~1000 rows) that is being accessed very frequently to get data. I was wondering what other options

What does GRANT USAGE ON SCHEMA do exactly?

I'm trying to create a Postgres database for the first time. I assigned basic read-only permissions to the DB role that must access the database from my PHP scr

Pimcore Database Installation on a Different Server

I have just started using Pimcore and deployed its a mysql database on another server. During its installation, it couldn't connect to the database. I created t

QSqlQuery::exec: database not open

I'm working on qt, my database was rightly connected with qt but suddenly i have the following problem every time i debug,,,i i become not able to fetch or to a