'Count distinct' presentation slideshows

SQL ??? 5

SQL ??? 5. ??? ?????? ???? ??????? ????? ????????? ???? ????: ???? ????? m.emadi@nit.ac.ir. ???? ??? ? ??? SQL. ???? IBM ?? ??? 1970 ?? ????? ?????? ?????? ???? System R ???? ????? ??? ?? ??? ???? ?????? ???? ????? ?? ???? ???? ??? ????? ??????? ?? ???? ?? ????????? ??? ???? ???

1.63k views • 108 slides

Lecture 03: Advanced SQL

771 views • 68 slides

Hypertext Data Mining (KDD 2000 Tutorial)

Hypertext Data Mining (KDD 2000 Tutorial). Soumen Chakrabarti Indian Institute of Technology Bombay http://www.cse.iitb.ernet.in/~soumen http://www.cs.berkeley.edu/~soumen soumen@cse.iitb.ernet.in. Hypertext databases. Academia Digital library, web publication Consumer

699 views • 60 slides

Hypertext Data Mining (KDD 2000 Tutorial)

Hypertext Data Mining (KDD 2000 Tutorial). Soumen Chakrabarti Indian Institute of Technology Bombay http://www.cse.iitb.ernet.in/~soumen http://www.cs.berkeley.edu/~soumen soumen@cse.iitb.ernet.in. Hypertext databases. Academia Digital library, web publication Consumer

663 views • 57 slides

Hypertext Databases and Data Mining (SIGMOD 1999 Tutorial)

Hypertext Databases and Data Mining (SIGMOD 1999 Tutorial). Soumen Chakrabarti Indian Institute of Technology Bombay http://www.cse.iitb.ernet.in/~soumen http://www.cs.berkeley.edu/~soumen soumen@cse.iitb.ernet.in. The Web. 350 million static HTML pages, 2 terabytes

584 views • 50 slides

Advanced SQL Queries

Advanced SQL Queries. Example Tables Used. Rewriting Minus Queries. Name and id of sailors that has reserved at least one red boat and has never reserved green boat. SELECT S.sname, S.sid FROM Sailors S, Boats B, Reserves R WHERE S.sid = R.sid and R.bid = B.bid

627 views • 47 slides

SQL: Queries, Constraints, Triggers

SQL: Queries, Constraints, Triggers. Chapter 5. R1. Example Instances. S1. We will use these instances of the Sailors and Reserves relations in our examples. If the key for the Reserves relation contained only the attributes sid and bid , how would the semantics differ?. S2.

500 views • 47 slides

QC Your RDBMS Data Using Dictionary Tables

QC Your RDBMS Data Using Dictionary Tables. Harry Droogendyk Stratia Consulting Inc. QC Data. ETL process data summarization test data creation verifying data is a good thing!. QC Data. rudimentary data QC continuous numeric variables eg. weight, balance

546 views • 38 slides

Physical Plant Campus Services Department Final Project Presentation 12/07/07

Physical Plant Campus Services Department Final Project Presentation 12/07/07. Team 3 Audrey F. | Charles K. | Fred Z. | Kenneth L. | Sam L. | Sara S. | Stanley K. Overview. Company Background Project Purpose EER Diagram Relational Schema Relation Normalization Database Queries.

359 views • 22 slides

Anna Atramentov and Vasant Honavar* Artificial Intelligence Laboratory

Speeding Up Multi-Relational Data Mining. Anna Atramentov and Vasant Honavar* Artificial Intelligence Laboratory Department of Computer Science Iowa State University Ames, IA 50011, USA www.cs.iastate.edu/~honavar/aigroup.html.

217 views • 12 slides

SQL: The Query Language (Part II)

223 views • 10 slides

SQL: The Query Language (Part II)

105 views • 10 slides