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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: Script to find Largest Databases size on Server
MySQL 5.7: Introduced EXPLAIN FOR CONNECTION to check the Execution Plan of Running Connections
MySQL: ERROR 1130: Host is not allowed to connect to this MySQL server
MySQL: SELECT UTC_TIMESTAMP and CONVERT local date time to UTC time zone
MySQL: Script to find all the Tables without having a Primary Key
Delete all duplicate rows in MySQL
MySQL: Error Code-1175 You are using safe update mode
PostgreSQL !
PostgreSQL: Script to Create a Read-Only Database User
PostgreSQL 9.6: pg_notification_queue_usage function to monitor the queues and notifications
PostgreSQL 9.5: BRIN Index Maintenance using brin_summarize_new_values
PostgreSQL: Different options to check If Table Exists in Database
PostgreSQL: Script to search any Text from the Stored Function
PostgreSQL: CREATE DOMAIN to Abstract Data Type and Enforce Business Rules
PostgreSQL: How to Allow Remote Connection to Connect Database
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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