Category "mariadb"

Error "Failed to start mariadb.service: Unit mariadb.service not found"

I'm using Fedora 29. I'm try to run mariadb.service with command:systemctl start mariadb, and give error:Failed to start mariadb.service: Unit mariadb.service n

Getting slow query from SELECT COUNT(*) on WordPress

I have the query below and it gives me a count of 32,000. SELECT COUNT(*) FROM wp_term_relationships, wp_posts WHERE wp_posts.ID = wp_term_relationsh

product variant price view table query

I have question need to query from product table and have many variants and prices, how can I show like below product. variants. price ========================

get the most common value for each column

I'm attempting to create an SQL query that retrieves the total_cost for every row in a table. Alongside that, I also need to collect the most dominant value for

Select query where exists intersection of two list

I have one table that contains two columns: id (integer) list_colum (longtext) - contains json array (e.g. [1, 2, 3]) I want to select all records that have an

Docker ufw connect to host machine

I tried out Docker with UFW and i read a lot of this. My goal was to connect to an mariadb database on the host machine from an docker image. Host (running u

How do you use a JSON array in a "WHERE IN" clause in MariaDB

I am using MariaDB version 10.2 I have an array of GUIDs stored as JSON in a table and I want to select rows from another table where the ID matches any of the

How to delete a record from database where all fields are the same to another?

I have two only records in a database table and I want to delete only one of them. The problem is that I don't have any primary key nor unique identifier, so ho

TypeORM bulk insert?

How do i bulk insert multiple records in 1 query so my db will be efficient I want to create Office and insert multiple new equipments into that office. Table/m

Linux Bash to mysql: Select or delete record with external value

I have a MariaDB (mysql) database with a table which looks like this: MariaDB [DevicesPool]> show columns from Dirs_and_Names; +-----------------+-------

SQL "with" clause - Error Code: 1046. No database selected Select the default DB to be used by double-clicking its name in the SCHEMAS

I have the following query which works fine: select a.dataId, a.my_no, b.my_attribute from myDB.table_a a left join myDB.table_b b on a.my_no = b.my_no orde

Match columns by values stored as JSON in another table

I have a table having a JSON datatype column which contains JSON array consisting of IDs for another table. I want to return matching rows from that other table

mariadb.service took forever to start. it stuck at activating

mariadb.service took forever to start. it stuck at activating ● mariadb.service - MariaDB 10.3.31 database server Loaded: loaded (/lib/systemd/system

How can I change the type of database in phpmyadmin from mariadb to mysql?

I'm using phpmyadmin with xampp on both of my home and work machines. Some queries didn't work for me when I was working on one computer, but it worked on anot

django.db.utils.OperationalError: (1071, 'Specified key was too long; max key length is 767 bytes')

My model: class Course(models.Model): language = models.ForeignKey(Language) name = models.CharField(max_length=50, unique=True, default='course')

MariaDb is installed but could not be imported into python

I tried to install the Mariadb plugin for python. Therefore I downloaded the MariaDB Connector and installed it and then I installed via pip3 the mariadb. And I

MariaDB Import maximum key length

We are currently moving the DB to another Server but we got a problem. Our Database is quite big and when we want to Import it to our new MariaDB Server with Ph

how to validate date null in mysql?

I'm working with MariaDB. when I try to show some result don't show me nothing. select if(fecha is null,'hello','bye') dat from table I'm trying to

MariaDB - is it possible to index JSON arrays?

When working with JSON in MariaDB it is possible to index single-point values using virtual columns e.g. ALTER TABLE features ADD feature_street VARCHAR(30) AS

Get full tree of parent/child relationships in mysql of any node in the tree with all parents

Example data: +----+-------+----------+ | org_id | Name | ParentID | +----+-------+----------+ | 1 | Org1 | 2 | | 2 | Org2 | NULL | | 3 | Org3