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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 !
row_number and partition by in Mysql
Database News: Now Uber switched from PostgreSQL to MySQL
MySQL: Script to find Largest Databases size on Server
MySQL: Missing MySQL Service in services.msc (Windows System)
MySQL: Download Link for Sample Database (Sakila)
Stored Procedure in MySQL
MySQL 5.7: Introduced Awesome JSON Data Type
PostgreSQL !
PostgreSQL: ERROR – data type character varying has no default operator class for access method “gist”
PostgreSQL: Rebuild all Indexes using REINDEXDB utility and REINDEX command
PostgreSQL: Shell script to store psql result in RECORD ARRAY using WHILE LOOP
PostgreSQL: Must know about pg_terminate_backend and pg_cancel_backend before killing to any session
PostgreSQL: The Awesome Table Fillfactor to speedup UPDATE and SELECT statement
PostgreSQL: DELETE JOIN with an example
PostgreSQL: Can’t update a table without finishing execution of function
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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