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Abstracts
Abstracts

... This session explores how to tune Oracle Data Provider for .NET (ODP.NET) for fast data retrieval and statement execution. Particular emphasis will be made on new ODP.NET and Oracle Developer Tools for Visual Studio (ODT) tuning features. ODP.NET introduces self-tuning, which optimizes data retrieva ...
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... SAS® SQL has been used for years as the way many SAS® products query for their data. Take a look at the new SQL performance optimizations that have been added to this bellwether procedure, optimizations designed to greatly expand query pass-thru capability to data bases and shorten your SAS client a ...
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... by list…), and frequency of occurrence of features (outer join, Where, Group by…). It also has execution parameters such as the maximum number of rows to fetch per query. The first step in running experiments on multiple systems is to ensure the databases are the same. They all must have identical s ...
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SQL

SQL (/ˈɛs kjuː ˈɛl/, or /ˈsiːkwəl/; Structured Query Language) is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management system (RDSMS).Originally based upon relational algebra and tuple relational calculus, SQL consists of a data definition language, data manipulation language, and a data control language. The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control. Although SQL is often described as, and to a great extent is, a declarative language (4GL), it also includes procedural elements.SQL was one of the first commercial languages for Edgar F. Codd's relational model, as described in his influential 1970 paper, ""A Relational Model of Data for Large Shared Data Banks."" Despite not entirely adhering to the relational model as described by Codd, it became the most widely used database language.SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987. Since then, the standard has been revised to include a larger set of features. Despite the existence of such standards, though, most SQL code is not completely portable among different database systems without adjustments.
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