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February 4, 2019 1

Database Design: Please do not use DISTINCT

April 22, 2018

PostgreSQL: Explain Group By ROLLUP with an example

October 1, 2016

MySQL: How to get Max Value for each group?

August 25, 2016

PostgreSQL: Optimized way to get first Record per each GROUP (using DISTINCT ON, LATERAL)

August 18, 2016

PostgreSQL: Multiple GROUP BY using GROUPING SETS in Single SQL Query

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MySQL !
MySQL 5.7: Introduced JSON Functions for Search and Manipulation
MySQL: Script to find Largest Databases size on Server
MySQL: Script to find last Updated time of the Table
MySQL: Script to identify the locks and blocking transactions
MySQL: Configured InnoDB Engine for Multithreaded Database
MySQL: How to change default Character set to UTF-8
Script to Find and Kill Running Process in MySQL
PostgreSQL !
PostgreSQL Error – FATAL: database role “root” does not exist in Linux
PostgreSQL 9.5: How to Concatenate and Overwrite JSON Document
How to reset postgres user password in windows ?
PostgreSQL: Script to Stop all Connections and Force to Drop the Database
PostgreSQL: Get a full length column string in PgAdmin
PostgreSQL: Script to check the status of Shared Buffer (Use pg_buffercache)
PostgreSQL: Use RAISE Statements to debug your Query and Function performance
About Me!

I'm Anvesh Patel, a Database Engineer certified by Oracle and IBM. I'm working as a Database Architect, Database Optimizer, Database Administrator, Database Developer. Providing the best articles and solutions for different problems in the best manner through my blogs is my passion. I have more than six years of experience with various RDBMS products like MSSQL Server, PostgreSQL, MySQL, Greenplum and currently learning and doing research on BIGData and NoSQL technology. -- Hyderabad, India.

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