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CMPT 454

Query Optimization. CMPT 454. Query Compilation. Parsing Construct a parse tree for a query Generate equivalent logical query plans Convert the parse tree to a query plan in relational algebra Transform the plan into more efficient equivalents Generate a physical plan

1.06k views • 88 slides

Batches and the GO command

925 views • 82 slides

679 views • 60 slides

Word Tutorial 3 Creating a Multiple-Page Report

528 views • 35 slides

Objectives

463 views • 35 slides

Word Tutorial 3 Creating a Multiple-Page Report

667 views • 35 slides

Word Tutorial 3 Creating a Multiple-Page Report

691 views • 34 slides

The Foreign Exchange Market

The Foreign Exchange Market 2 Outline Function and structure of the FX market The spot market Quotations Cross-rates Triangular Arbitrage Currency forecasting The foreign exchange market Why do we need foreign currency? Import/Export demand and supply

1.32k views • 31 slides

Practical Statistics

663 views • 29 slides

Query Execution

391 views • 29 slides

Designing Websites

Using HTML and FrontPage. Designing Websites. A Typical Webpage. View Source. A webpage is a text file containing instructions to tell a computer how the page should look. Creating Webpages. You can create a page by hand, using a text-editor like Notepad

436 views • 27 slides

Chi Square & Correlation

Chi Square & Correlation. Nonparametric Test of Chi 2. Used when too many assumptions are violated in T-Tests: Sample size too small to reflect population Data are not continuous and thus not appropriate for parametric tests based on normal distributions.

344 views • 23 slides

Chi Square & Correlation

Chi Square & Correlation. Nonparametric Test of Chi 2. Used when too many assumptions are violated in T-Tests: Sample size too small to reflect population Data are not continuous and thus not appropriate for parametric tests based on normal distributions.

330 views • 23 slides

Word Tutorial 6 Using Mail Merge

Word Tutorial 6 Using Mail Merge. Objectives. Learn about the mail merge process Use the Mail Merge task pane Select a main document Create a data source Insert mail merge fields into a main document Edit a main document Preview a merged document Complete a mail merge. Objectives.

606 views • 21 slides

Fast Incremental Maintenance of Approximate histograms :

Fast Incremental Maintenance of Approximate histograms :. Phillip B. Gibbons (Intel Research Pittsburgh) Yossi Matias (Tel Aviv University) Viswanath Poosala (Bell Laboratories) Presented by: Amrita Tamrakar CSE 6392 09-feb-2006. Introduction. What is a histogram?

353 views • 20 slides

Conceptual Architecture of PostgreSQL

Conceptual Architecture of PostgreSQL. S-Queue-L Khurrum A Mujeeb, Adam Abu Hijleh, Adam Ali Stephen McDonald, Wisam Zaghal. CISC 322 - Fall 2010. Overview. What is Postgres ? Research Methods Considered Alternatives Reference Architecture Conceptual Architecture

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177 views • 17 slides

Hive: A data warehouse on Hadoop

496 views • 14 slides

Tables and Figures

Tables and Figures. Tables. Efficient way to present data. Exact numerical values. Limited in number. Can help reader compare data. APA Manual pages 149-154. Relationship of Table to Text. Tables must be understood without the help of explanation in the text.

224 views • 7 slides

Excel for UROP: Summer Edition

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