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January 1, 2019 6 min read

T-SQL - Introduction (Part 1)

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 same can be accessed by visiting …
January 1, 2019 5 min read

T-SQL - Introduction (Part 2)

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 same can be accessed by visiting …
January 1, 2019 1 min read

T-SQL - Querying multiple tables using Set Operators

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 same can be accessed by visiting …
January 1, 2019 3 min read

T-SQL - Querying multiple tables with Joins

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 same can be accessed by visiting …
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 queries works on AdventureWorks …
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 same can be accessed by visiting …
December 23, 2018 1 min read

Read data into pandas

Provide column names while reading a dataset in pandas # Import the required modules import pandas as pd Reading the dataset using read.csv() function with mentioning column names in names parameters. #Fetching data from url as csv by mentioning …
December 22, 2018 1 min read

Connect to azure storage (blob) using python

The following code snippets are on creating a connection to Azure Blob Storage using Python with account access key. For more details on Azure Blob Storage and generating the access key, visit : …
December 20, 2018 2 min read

Connect to azure datalake store using python

The following code snippets are on creating a connection to Azure Data Lake Storage Gen1 using Python with Service-to-Service authentication with client secret and client id. Follow the link, for more details on different ways to connect to Azure …
January 1, 0001 7 min read

Advanced Pandas GroupBy and Window Functions for Data Engineering and Analytics Session Outline: Advanced GroupBy and Window Functions in Pandas 1. Introduction to GroupBy and Its Role in Data Engineering (5 minutes) Overview: Recap of GroupBy as a …