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December 1, 2019 • 1 min read

Hackerrank SQL - Aggregation

Following problems are discussed here. To solve the same, please visit hackerrank website{:target="_blank"}. Weather Observation Station 17 Weather Observation Station 18 Weather Observation Station 19 Weather …

December 1, 2019 • 2 min read

Hackerrank SQL - Advanced Select

Following problems are discussed here. To solve the same, please visit hackerrank website{:target="_blank"}. New Companies Binary Tree Nodes Occupations The PADS Type of Triangle New Companies select …

January 1, 2019 • 2 min read

T-SQL - Working with subqueries and APPLY

Note : The following scripts are the part of the course on edx titled as: Querying Data with Transact-SQL - Querying Data with Transact-SQL These queries works on AdventureWorks database and information regarding the …

January 1, 2019 • 6 min read

T-SQL - Using Functions and aggregating data

``Note : The following scripts are the part of the course on edx titled as: Querying Data with Transact-SQL - `` [Querying Data with Transact-SQL](https://www.edx.org/course/querying-data-with-transact-sql-0) `` These …

January 1, 2019 • 3 min read