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

SQL Server: When you last executed DBCC CHECKDB? (Using sp_readerrorlog)

In this post, I am sharing a way to check the execution history of DBA command like DBCC CHECKDB in SQL Server. Why is this important? DBCC CHECKDB is important for SQL Database which is fixing and showing critical errors. But if your database size is huge and some other DBA already executed DBCC CHECKDB […]

November 17, 2017 SQL Server
November 16, 2017

SQL Puzzle: SQL Advance Query – Remove all NULL value and arrange other NON NULL

November 15, 2017

SQL Puzzle: SQL Advance Query – Do PIVOT – UNPIVOT and Sort the result

November 14, 2017

SQL Puzzle: SQL Advance Query – Find Employee with salary greater than their Manager

November 13, 2017

SQL Puzzle: SQL Advance Query – Generate Fibonacci Series

November 12, 2017

SQL Server 2014: WAIT_AT_LOW_PRIORITY improved the performance of ONLINE REBUILD INDEX operation

November 11, 2017

SQL Puzzle: SQL Advance Query – Fill the gap of Missing Codes

November 10, 2017

SQL Puzzle: SQL Advance Query – Count the Even and Odd number occurrence

November 9, 2017

MySQL: Copy Database From One Server to Another Server (Using mysqldump)

November 8, 2017

SQL Puzzle: SQL Advance Query – Find the list of Years between Start Year and End Year

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MySQL !
MySQL: Set default value for a Datetime Column
MySQL: Why InnoDB Engine stores all databases in one file (ibdata1)?
MySQL: Configured and Enable FEDERATED engine (Part 2/4)
MySQL: Controlling Query Optimizer to choose the Best Execution Plan
MySQL: Script to check the size of Database and Tables
MySQL: Create FEDERATED Table to SELECT data from another server (Part 3/4)
MySQL: How to Log General and Long Running Queries into Log Table
PostgreSQL !
PostgreSQL 9.5: SELECT JSON Formatted data using jsonb_pretty()
PostgreSQL: Why identifiers are Case-Sensitive
PostgreSQL: Script to find Orphaned Sequence, not owned by any Column
PostgreSQL: What is Visibility Map (VM)?
PostgreSQL: Example of SERIALIZABLE Isolation Level
PostgreSQL: How to get the list of all Schemas of a database in PSQL?
PostgreSQL: Improve Query Performance by Extended Statistics
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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