Database Research & Development

  • Home
  • NoSQL
    • NoSQL
    • Cassandra
  • Databases
    • Database Theory
    • Database Designing
    • SQL Server Coding Standards
    • SQL Server
    • PostgreSQL
    • MySQL
    • Greenplum
    • Linux
  • Interviews
    • SQL Server Interviews
    • MySQL Interviews
    • SQL Puzzles
  • DBA Scripts
    • SQL Server DBA Scripts
    • PostgreSQL DBA Scripts
    • MySQL DBA Scripts
    • Greenplum DBA Scripts
  • Home
  • Blog Archives !
  • (: Laugh@dbrnd :)
  • Contact Me !
sqlserverinterviews

UNIQUE 2

December 17, 2017

PostgreSQL: Allow single NULL for UNIQUE Constraint Column

January 18, 2016

PostgreSQL: Composite UNIQUE Constraint does not consider NULL Values

Follow Me !
  • Facebook
  • Linkedlin
  • Twitter
  • Google
  • Youtube
  • Flickr
MySQL !
MySQL: Frequently asked Interview Questions and Answers Part 2
MySQL: FEDERATED Table Engine – SELECT data from another Server (Part 1/4)
MySQL: Error code 1005 Can’t create table (errno 150)
Delete all duplicate rows in MySQL
MySQL: How Query Optimizer Read and Update the Index Statistics
MySQL: Script to find Largest Databases size on Server
MySQL: Frequently asked Interview Questions and Answers Part 5
PostgreSQL !
PostgreSQL: Use pgbench for testing the Load Performance of Server
PostgreSQL 10: Introduced IDENTITY Column for generating Sequence
PostgreSQL: Copy Table Data from another Table (INSERT INTO SELECT)
PostgreSQL: What is IMMUTABLE, STABLE, VOLATILE and COST of Function
PostgreSQL 10: Introduced XML Table – to store XML Document
PostgreSQL: Optimized way to get first Record per each GROUP (using DISTINCT ON, LATERAL)
PostgreSQL: Important Parameters to enable Log for all Queries
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.

About DBRND !

dbrnd

This is a personal blog (www.dbrnd.com).

Any views or opinions represented in this blog are personal and belong solely to the blog owner and do not represent those of people, institutions or organizations that the owner may or may not be associated with in professional or personal capacity, unless explicitly stated.

Feel free to challenge me, disagree with me, or tell me I’m completely nuts in the comments section of each blog entry, but I reserve the right to delete any comment for any reason whatsoever (abusive, profane, rude, or anonymous comments) - so keep it polite.

The content of this website is protected by copyright. No portion of this website may be copied or replicated in any form without the written consent of the website owner.

Recent Comments !
  • Anvesh Patel { Sure will do... } – May 27, 12:43 PM
  • Anvesh Patel { Great... } – May 27, 12:41 PM
  • Anvesh Patel { Great... } – May 27, 12:39 PM
  • Anvesh Patel { Great... } – May 27, 12:36 PM
  • Anvesh Patel { Great... } – May 27, 12:28 PM
  • Anvesh Patel { Great... } – May 27, 12:27 PM
  • Anvesh Patel { Great... } – May 27, 12:16 PM
  • Older »
Follow Me !
  • facebook
  • linkedin
  • twitter
  • youtube
  • google
  • flickr
© 2015 – 2019 All rights reserved. Database Research & Development (dbrnd.com)
Posting....