'Join columns' diaporamas de présentation

Join columns - PowerPoint PPT Presentation

Database Management Systems

Database Management Systems

Database Management Systems. Chapter 4 Queries. Why do we Need Queries. Natural languages (English) are too vague With complex questions, it can be hard to verify that the question was interpreted correctly, and that the answer we received is truly correct.

★ ★ ★ ★ ★

442 views • 35 slides
Distributed Databases

Distributed Databases

Distributed Databases. Chapter 22, Part B. Introduction. Data is stored at several sites, each managed by a DBMS that can run independently. Distributed Data Independence: Users should not have to know where data is located (extends Physical and Logical Data Independence principles).

★ ★ ★ ★ ★

449 views • 32 slides
VLDB 2014 Industrial Track

VLDB 2014 Industrial Track

VLDB 2014 Industrial Track.

★ ★ ★ ★ ★

445 views • 32 slides
Sowmya Muniraju

Sowmya Muniraju

Proposed By, Ihab F. Ilyas Walid G. Aref Ahmed K. Elmagarmid. Supporting top-k queries in Relational databases. Proceedings of the 29th international conference on Very large databases, March 2004. Sowmya Muniraju. Presented By:. Outline. Introduction

★ ★ ★ ★ ★

404 views • 29 slides
Displaying Data from Multiple Tables (SQL99 Syntax with examples)

Displaying Data from Multiple Tables (SQL99 Syntax with examples)

Displaying Data from Multiple Tables (SQL99 Syntax with examples). SQL99 Syntax. Cross Join. The CROSS keyword indicates that a cross join is being performed. A cross join produces the cross-product of two relations and is essentially the same as the comma-delimited Oracle notation.

★ ★ ★ ★ ★

189 views • 18 slides

View Join columns PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Join columns PowerPoint presentations. You can view or download Join columns presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.