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sqlserverinterviews

Pg_log 2

February 9, 2017

PostgreSQL: pg_rotate_logfile to Switch and Rotate the server log file (pg_log)

December 4, 2016

PostgreSQL: Difference between pg_log, pg_clog and pg_xlog log directories

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MySQL !
Insert-Update, Merge statement in MySQL
MySQL: Script to find Index Usage Statistics of a Database
MySQL: Script to find Last AUTO_INCREMENT value for a Table
MySQL 5.5: Introduced PERFORMANCE_SCHEMA storage engine to inspect the performance data
MySQL: Function to Split String Value Using Different Delimiters and Position
Find top N records for each group in MySQL
MySQL: Procedure Variable vs Session specific User Defined Variable (@variable vs variable)
PostgreSQL !
PostgreSQL: How to calculate RANK in a query (DENSE_RANK())
PostgreSQL: How the Rows are stored Physically using ctid?
PostgreSQL: Create a Copy of Table or Create a Duplicate Table
PostgreSQL: Change the Default Data Directory in Linux
PostgreSQL: Important Statistics Table, Used by the Query Planner
PostgreSQL 9.4: Using FILTER CLAUSE, multiple COUNT(*) in one SELECT Query for Different Groups
PostgreSQL: Script to find TOP 10 Long Running Queries using pg_stat_statements (Day 2/2)
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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