How to ask friendly Amazon Goddess Athena to get your partitioned data from Hadoop cluster Do you hesitate if you need a Hadoop cluster...

Dedicated to mongodump haters MongoDB 3.6 brought us a number of new improvements we can take now into consideration if it's more...

INTRODUCTION: In the last period we encounter a growing interest in MariaDB products (Galera Cluster, MaxScale for example) among our...

Client’s requirements: The R&D team decided to delete an old non-relevant data of customers in order to decrease database size. The...

Client’s requirements: Case #1: Stand-alone server with the old version 3.2.12 Case #2: Replica set with even number of servers (2) on...

Client’s requirements: Even number of servers (4) on two geolocations (UK and Holland) with a following priority - failover order from UK...