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

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

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A Day in the life of a DBA !

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

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sqlserverinterviews

PostgreSQL: How to Disable or Enable Foreign Key Constraint of a Table

In this post, I am sharing one option to Disable / Enable the Foreign Key Constraint in PostgreSQL. During data migration and testing purpose, Database Developer requires to disable Foreign key constraint of a Table. Once you disable constraint, then later you might need to enable again, but during this exercise make sure that all […]

February 2, 2017 PostgreSQL
February 1, 2017

SQL Server: After Restart, Database in “In Recovery” status, Can’t Access it

January 31, 2017

PostgreSQL: How to find last Day of the Month

January 30, 2017

PostgreSQL: Script to find Version and Release Information

January 29, 2017

SQL Server: How to Restore Database from Snapshot Database?

January 28, 2017

SQL Server: How to create Snapshot Database?

January 27, 2017

SQL Server: What is Database Snapshot and How it works?

January 26, 2017

PostgreSQL: Must know about pg_terminate_backend and pg_cancel_backend before killing to any session

January 25, 2017

MySQL: Script to find Long Running Queries and Transactions

January 24, 2017

PostgreSQL: How to apply ACCESS EXCLUSIVE LOCK MODE on Table?

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MySQL !
MySQL: Understand Case Sensitivity parameters for Effective Migration (Case Sensitive or Case Insensitive)
MySQL: Script to identify the locks and blocking transactions
MySQL: Frequently asked Interview Questions and Answers Part 2
MySQL: ERROR 1130: Host is not allowed to connect to this MySQL server
MySQL: Password Encryption using the Advanced Encryption Standard Algorithm (AES_ENCRYPT())
MySQL: Search String using Regular Expressions (REGEXP)
PostgreSQL: ALTER TABLE to change Fillfactor Value
PostgreSQL !
PostgreSQL: Optimize the Function by defining Volatility Classification
PostgreSQL 9.4: Using FILTER CLAUSE, multiple COUNT(*) in one SELECT Query for Different Groups
PostgreSQL: Using EXPLAIN ANALYZE, Know your Query Execution Plan
PostgreSQL: How to generate a DeadLock in a Database (ERROR: deadlock detected)
PostgreSQL: Example of RANGE Data Type
PostgreSQL 10: Introduced Native Table Partitioning
PostgreSQL 9.1 is going to Shutdown, no more Support and Release 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.

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