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Learning SQL Queries for R Users: Request the Database to Furnish Only the Specific Data You Require - Softcover

Darmawikarta, Djoni

 
9781522959304: Learning SQL Queries for R Users: Request the Database to Furnish Only the Specific Data You Require
Softcover
ISBN 10: 1522959300 ISBN 13: 9781522959304
Verlag: CreateSpace Independent Publishing Platform, 2016

Inhaltsangabe

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

Die Inhaltsangabe kann sich auf eine andere Ausgabe dieses Titels beziehen.

Verlag
CreateSpace Independent Publishing Platform
Erscheinungsdatum
2016
Sprache
Englisch
ISBN 10 
1522959300
ISBN 13 
9781522959304
Einband
Taschenbuch
Anzahl der Seiten
188
Kontakt zum Hersteller
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