Learning Sql Queries For R Users

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Learning SQL Queries for R Users

Learning SQL Queries for R Users
Author :
Publisher : Createspace Independent Publishing Platform
Total Pages : 188
Release :
ISBN-10 : 1522959300
ISBN-13 : 9781522959304
Rating : 4/5 (304 Downloads)

Book Synopsis Learning SQL Queries for R Users by : Djoni Darmawikarta

Download or read book Learning SQL Queries for R Users written by Djoni Darmawikarta and published by Createspace Independent Publishing Platform. This book was released on 2016-01-20 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book title implies that SQL Queries for R Users is for R users who need to get the data they need from a database. Loading large raw data from a database into R workspace is often unnecessary or even prohibitive. The book teaches you how to write SQL queries to retrieve precisely only the data needed from an SQL database. But, this book covers topics on metadata, which is equally important if not more than the SQL queries. To write an SQL query you must first know where the data is, the name of the tables and columns, their relationships, and the characteristics of the data. The book shows you how to identify this information. In Oracle SQL Developer ...... Explore Metadata Visualize Data Model Inquire Data Dictionary Build and Test Query Incrementally Wrap and Secure Query as Database View Deploy Generic SELECT query in R program


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