'Aggregate operators' presentation slideshows

CMSC424: Database Design

1.22k views • 108 slides

IT420: Database Management and Organization

IT420: Database Management and Organization. SQL - Data Manipulation Language 27 January 2006 Adina Cr ? iniceanu www.cs.usna.edu/~adina. Last Time. SQL: Data Definition Language CREATE, DROP, ALTER. Today. More SQL: Data Manipulation Language. Creating Tables. CREATE TABLE table_name(

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SQL I

527 views • 39 slides

CUBE: A Relational Aggregate Operator Generalizing Group By

Aggregate. Group By . Sum. (with total). By Color. RED. Cross Tab. WHITE. BLUE. By Color. Chevy. Ford. RED. The Data Cube and . WHITE. Sum. The Sub-Space Aggregates. BLUE. By Make. 1990. FORD. 1991. CHEVY . 1992. Sum. 1993. By Year. By Make. By Make & Year. RED.

397 views • 18 slides

Data Cube: A Relational Aggregation Operator Generalizing Group-By, Cross-Tab, and Sub-Totals

Data Cube: A Relational Aggregation Operator Generalizing Group-By, Cross-Tab, and Sub-Totals. Jim Gray Microsoft Adam Bosworth Microsoft Andrew Layman Microsoft Hamid Pirahesh IBM Presented by: Changwu Li. Based on notes by Jim Gray. Spread Sheet. Extract. analyze. Table.

181 views • 16 slides

LINQ to SQL

LINQ to SQL. Part 3. Figure 12-3: Data contained in the tblEmploy table. Accessing the Value Stored in a Field. Creating a Query. Using the LINQ Aggregate Operators. Aggregate operator: returns a single value from a group of values Most commonly used aggregate operators:

477 views • 7 slides