SQL Server Interview: How to prevent ‘SELECT *’ using T-SQL Script?

8 More

SQL Server Interview: A Golden question, Can we disable the Clustered Index?

6 More

A Day in the life of a DBA !

10 More

NoSQL: The latest buzzword in Data Science, What is NoSQL? (Day 1)

2 More

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

PostgreSQL: How to Delete all duplicate rows Except one

I have already written a similar article to delete duplicate records in SQL Server and MySQL. Here, You can also access that articles. Delete all duplicate rows in MySQL Delete all duplicates rows except one in SQL Server Recently, I got one request for one script to delete duplicate records in PostgreSQL. Most of the […]

September 17, 2019 PostgreSQL
August 12, 2019 1

SQL Puzzle: SQL Advance Query – Find the Order basis on thier Status and Step

August 5, 2019

SQL Server: How to compare your objects between two Databases

July 29, 2019 2

SQL Puzzle: SQL Advance Query – Generate the group of Sequences

July 22, 2019

PostgreSQL: Create Index on Full Text Search tsvector Data

July 15, 2019 1

SQL Puzzle: SQL Advance Query – Generate the range of data basis on common combination

July 8, 2019

Database Theory: What is CAP theorem – Consistency, Availability, Partition

July 1, 2019 1

PostgreSQL: Example of SERIALIZABLE Isolation Level

June 24, 2019

SQL Server: Script to check Network or Connect permission of User

June 17, 2019 3

SQL Puzzle: SQL Advance Query – To generate the account balance column for Bank Accounts

Older posts
Follow Me !
  • Facebook
  • Linkedlin
  • Twitter
  • Google
  • Youtube
  • Flickr
MySQL !
MySQL: The finest solution for calculating Age from Date of Birth
MySQL 5.5: Introduced PERFORMANCE_SCHEMA storage engine to inspect the performance data
MySQL: Download Link for Sample Database (Sakila)
MySQL: CSV Storage Engine, Store Table data into CSV File
MySQL: Search String using Regular Expressions (REGEXP)
Determine free and occupied size of Tables and Database into MySQL
MySQL: Missing MySQL Service in services.msc (Windows System)
PostgreSQL !
PostgreSQL: How to get the list of all Schemas of a database in PSQL?
PostgreSQL: Script to find all Objects of a Particular User
PostgreSQL: How to get the list of all privileges of a database in PSQL?
PostgreSQL: How to take Compressed Backup of Database?
PostgreSQL: Prevent New User to access Newly Created Database
PostgreSQL: How to generate a Random Token String?
PostgreSQL: How to Allow Remote Connection to Connect Database
Email Subscription !
Please subscribe for daily Update...
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 !
  • none { dont works } – Sep 16, 12:29 PM
  • Tiago van den Berg { Great Post. Disabling triggers speed up batch processings. For simple UPDATE cases where it is necessary, POSTGRES allows deferrable foreign keys. That means that a foreign key will be validated only after commiting transaction. So it is possible to modifiy all records that share a constrained key inside a transaction.... } – Sep 12, 4:03 PM
  • alok { thanks bro use full } – Sep 12, 7:57 AM
  • Akansha { How to use similarity function on single column. I have a column with address values. I want to check similarity within column. } – Sep 11, 12:38 PM
  • Akansha { Thanks for the solution. I have a similar problem with single column. there are millions of addresses in a single column and i want a match percentage of one value with others. How can i do that? } – Sep 11, 11:32 AM
  • San { This helped! } – Sep 10, 5:47 AM
  • toni { why is the data in Server A108 is null? } – Sep 10, 2:41 AM
  • Older »
Follow Me !
  • facebook
  • linkedin
  • twitter
  • youtube
  • google
  • flickr
© 2015 – 2019 All rights reserved. Database Research & Development (dbrnd.com)