Similar to this question – Postgres creating a Table with an array of foreign keys
Any updates about this situation, even new ones with this feature Beta?
The current patch still has ma
Author: Simo
MySQL Backup – Back up all databases in turn using mysqldump
In some scenarios, the databases need to be backed up separately, and in some scenarios, all the databases need to be backed up together. Hereby we organize this backup script
#! /bin/bash
#
What is the difference between NOSQL and the column-oriented database?
The more you read about NoSQL, it starts to sound like a column-oriented database.
What is the difference between NoSQL (such as CouchDB, Cassandra, MongoDB) and column-oriented databases (su
PostgreSQL11 installation
There are two installation methods for postgresql11: binary source code installation, rpm package installation
wget https: //ftp.postgresql.org/pub/source/v11.5/postgresql-11.5.tar.gz
./confi
NOSQL database for storing big files?
I need to store very large (more than 512Mb) binary files in a NoSQL database. What special NoSQL database implementation allows? No experience, but Mongos GridFS is the only one I’ve heard of,
NOSQL – GET consistency (and quorum) in Elasticsearch
I am new to ElasticSearch and I am evaluating for a project.
In ES, replication can be synchronous or asynchronous. In the case of asynchronous Next, as long as the document is written to the
Group of time and space proximity trajectories in R or PostgreSQL
I am using R and PostgreSQL to perform some trajectory analysis. In order to form a group of trajectory segments whose continuous positions are close in time and space, I created the following tabl
Use postgreSQL processing time
I have a table with date and time fields. I have a hard time understanding how I deal with this problem, partly because I don’t understand how time is converted to a number. I use the following The
PowerDesigner displays a relationship name on the cable
The first way:< /span>
tools->display preferences->object view ->reference, select the checkbox before the constraint name.
I tried it myself, it seems that it doesn’t It’s not easy, I
Algorithm – Difference between OT and CRDT
Can someone briefly explain the main difference between Operation Transformation and CRDT?
As far as I know, both are algorithms that allow data to converge on different nodes in a distribute