Apache Impala is an open source massively parallel SQL query engine for data stored in a Hadoop-based cluster. Impala delivers Hadoop scalable parallel database technology,
ProxySQL – How It Works
Please read the previous post for a quick introduction to ProxySQL. As stated earlier, ProxySQL is a powerful software load balancer and an open-source database
ProxySQL – The Journey Begins
ProxySQL is a powerful software load balancer and an open-source database protocol aware proxy for MySQL that provides high performance, high availability, and high availability.
List tables in PostgreSQL
Unlike MySQL, Apache Hive, and Apache Impala, we can’t acquire a list of tables in PostgreSQL using the SHOW TABLES command. Use the below command
Apache Hive Database Size
We might need to know the database size for a variety of reasons, such as capacity planning, storage allocations, and so on. The following methods
PostgreSQL – Grant Permission on Database
After a long time, when I tried to create a user and grant him all permissions on a certain database using- GRANT ALL PRIVILEGES ON
Big Data & SQL 