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The Entity-Relationship Model Entity Sets Entity sets are translated to tables. CREATE TABLE Employees (ssn CHAR(11), name CHAR(20), lot INTEGER, PRIMARY KEY (ssn)); Employees…
Relational Database Architecture Relational Database Architecture (Contiâ¦) SQL Server 2000 data is stored in databases. Physically, a DB consists of two or more files…
Relational Algebra Maybe -- SQL Confused by Normal Forms ? 3NF BCNF 4NF If a database doesn’t violate 4NF (BCNF) then it doesn’t violate BCNF (3NF) ! Natural Join Notation:…
The Entity-Relationship Model Entity Sets Entity sets are translated to tables. CREATE TABLE Employees (ssn CHAR(11), name CHAR(20), lot INTEGER, PRIMARY KEY (ssn)); Employees…
Databases 2010 The Relational Model and SQL Christian S. Jensen Computer Science, Aarhus University Acknowledgments: revised version of slides developed by Michael I. Schwartzbach…
Adding Native SQL Support to Spark with C talyst Michael Armbrust Overview ● Catalyst is an optimizer framework for manipulating trees of relational operators ● Catalyst…
22 Marzo 2016 REAL TIME AGGREGATION ENGINE: SPARK STREAMING + SPARK SQL Quienes somos Conoce a algunos de ellos en gitHub https://github.com/Stratio/Sparta/graphs/contributors…
Spark SQL: Relational Data Processing in Spark Michael Armbrust† Reynold S Xin† Cheng Lian† Yin Huai† Davies Liu† Joseph K Bradley† Xiangrui Meng† Tomer Kaftan‡…
1. Introduction toSpark SQL & CatalystTakuya UESHIN!Spark Meetup 2014/09/08(Mon) 2. Who am I?Takuya [email protected]/ueshinNautilus Technologies, Inc.A Spark contributor2…
PowerPoint-Präsentation Spark vs. PL/SQL Christopher Thomsen Senior Consultant OPITZ CONSULTING Deutschland GmbH Marian Strüby Senior Consultant 1 Spark? Was ist Fast and…
Introduction to Spark SQL Bryan 2015 Experience Vpon Data Engineer TWM, Keywear, Nielsen Bryan’s notes for data analysis http://bryannotes.blogspot.tw Spark.TW Linikedin…
You don't need Functional Programming for Fun! Cassandra and SparkSQL Russell (left) and Cara (right) • Software Engineer • Spark-Cassandra Integration since Spark…
Unified Data Access with Spark SQL Michael Armbrust – Spark Summit 2014 @michaelarmbrust Spark SQL Components Catalyst Optimizer • Relational algebra + expressions…
Slide 1 SQL SQL (Structured Query Language) is used to define, query, and modify relational databases Every relational database system understands SQL SQL is standard: the…
SPARK ON HIPERGATOR Ying Zhang [email protected] November 6th, 2018 RESEARCH COMPUTING STAFF • Dr. Matt Gizendanner • Bioinformatics Specialist • Dr. Justin Richardson…
5/27/2018 Beyond Relational SQL Server 2008 1/31www.ExtremeExperts.comConnect with lifewww.connectwithlife.co.inVinod KumarTechnology Evangelist | Microsoftwww.ExtremeExperts.comhttp://blogs.sqlxml.org/vinodkumarhttp://www.microsoft.com/india/msdnhttp://www.microsoft.com/india/msdn5/27/2018…
SQL Select and Relational Algebra SELECT SELECT fields FROM tables WHERE conditions GROUP BY fields HAVING conditions ORDER BY fields SELECT * FROM expeople SELECT name (Projection)…
Using Relational Databases and SQL John Hurley Department of Computer Science California State University, Los Angeles Lecture 3: Joins Part I Multiple Tables Why do we have…
Using Relational Databases and SQL Steven Emory Department of Computer Science California State University, Los Angeles Lecture 10: Data Definition Language Miscellany For…
Using Relational Databases and SQL Steven Emory Department of Computer Science California State University, Los Angeles Lecture 9: Data Manipulation Language Miscellany School…