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You're reading from  Learn SQL Database Programming

Product typeBook
Published inMay 2020
Reading LevelIntermediate
PublisherPackt
ISBN-139781838984762
Edition1st Edition
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Josephine Bush
Josephine Bush
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Josephine Bush

Josephine Bush has over 10 years experience as a Database Administrator. Her experience is extensive and broad-based, including in financial, business, and energy data systems using MySQL, SQL Server, Oracle, and PostgreSQL. She is a Microsoft Certified Solutions Expert: Data Management and Analytics. She holds a BS in Information Technology, an MBA in IT Management, and an MS in Data Analytics.
Read more about Josephine Bush

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Exploring your dataset

Exploring your dataset is vital so that you can get acquainted with and learn more about your data. You can do this by checking the statistical identity of your data and checking for rare, missing, and duplicate values. Additionally, you can either consult the expert or become the expert on the dataset.

Getting to know your data using statistical identities

Getting to know your data is vital so you can understand how to analyze and tell a story with it. There are a few built-in functions in MySQL that you can use to get to know your data, including the following:

  • AVG: Returns the average of an expression
  • COUNT: Returns the number of records
  • MAX: Returns the maximum value in a set of values
  • MIN:...
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Learn SQL Database Programming
Published in: May 2020Publisher: PacktISBN-13: 9781838984762

Author (1)

author image
Josephine Bush

Josephine Bush has over 10 years experience as a Database Administrator. Her experience is extensive and broad-based, including in financial, business, and energy data systems using MySQL, SQL Server, Oracle, and PostgreSQL. She is a Microsoft Certified Solutions Expert: Data Management and Analytics. She holds a BS in Information Technology, an MBA in IT Management, and an MS in Data Analytics.
Read more about Josephine Bush