Question : So I have the following query: SELECT i.mongodb_id FROM display_list_lists dll JOIN display_lists dl ON dll.display_list_id = dl._id […]
Category: MariaDB
Why do innodb tables get corrupted so easily?
Question : I’m upgrading a legacy system running MySQL 5.1 all the way to MariaDB 10. We’re on a brand […]
MySQL – Autoincrement does not increment sequentally if last row was deleted
Question : I have a table which contains an auto incremented primary key id. If I delete the last row […]
Indexes on XtraDB tables
Question : I have old db with myisam tables, using mariadb and want try move to xtradb for row-level locking. […]
Galera cluster node fails with error. Brand new cluster + master / node. Access denied or can’t connect
Question : I am having issue. Previous cluster fatally crashed, so I’ve created a new one with pretty much same […]
purge worker, purge coordinator, shutdown handler stuck
Question : I can’t make out if the following is a problem or not, and what the solution might be. […]
Does MySQL or MariaDB support GIS KNN Index Queries (k-nearest neighbors)?
Question : Can you do k-nearest neighbors algorithm (k-NN) queries on MySQL for example, to find the nearest point in […]
The target table user of the INSERT is not insertable-into MariaDB 10.4.11
Question : I did a wonderful thing of deleting all root users from mysql by accident. That kind of a […]
Galera Cluster Setup – Primary and Secondary Site Scenario
Question : I’m very new to Galera Cluster and is exploring a potential setup with reasonable resiliency to node failure […]
Getting duplicate record errors like “Duplicate Entry for key ‘PRIMARY’, error code 1062” when importing a full backup into slave
Question : We’re restoring our slave with a full backup from our master, and getting a bunch of duplicate key […]