Data::Dumper - Monash University
... A hash contains organized data ► has a key/value relationship ► ceases to exist at end of scope ...
... A hash contains organized data ► has a key/value relationship ► ceases to exist at end of scope ...
EMU-SDMS: Advanced Speech Database Management and
... a system. Over the years, hundreds of very specialized software tools have been developed that provide new and innovative methods to spoken language researchers. However, these tools usually lack a common interface to allow and perpetuate interoperability. Only recently, tools have become available ...
... a system. Over the years, hundreds of very specialized software tools have been developed that provide new and innovative methods to spoken language researchers. However, these tools usually lack a common interface to allow and perpetuate interoperability. Only recently, tools have become available ...
Advanced Database Techniques 2009
... – TPC-H: (H for ad hoc) • Models ad hoc queries which are not known beforehand – Total of 22 queries with emphasis on aggregation ...
... – TPC-H: (H for ad hoc) • Models ad hoc queries which are not known beforehand – Total of 22 queries with emphasis on aggregation ...
Institutionen för datavetenskap Migration process evaluation and design Henrik Bylin
... A tuple consist of a collection of related values which belongs to an attribute which are represented in columns. Each of the attribute has a data type for example string, integer, char, date, text which defines the type of data it can contain. This means a string cannot be stored in an attribute wi ...
... A tuple consist of a collection of related values which belongs to an attribute which are represented in columns. Each of the attribute has a data type for example string, integer, char, date, text which defines the type of data it can contain. This means a string cannot be stored in an attribute wi ...
(A) R
... First Normal Form (Contd.) Atomicity is actually a property of how the elements of the domain are ...
... First Normal Form (Contd.) Atomicity is actually a property of how the elements of the domain are ...
Access to Relational Databases Using SAS ®
... will use the SAS/Access® Interface to Oracle, but the principles described apply equally to local databases in Microsoft Access 2000, as well as other client/server systems such as DB2 and Sybase. In order to understand the various SAS/Access® options, it is important to recognize that this product ...
... will use the SAS/Access® Interface to Oracle, but the principles described apply equally to local databases in Microsoft Access 2000, as well as other client/server systems such as DB2 and Sybase. In order to understand the various SAS/Access® options, it is important to recognize that this product ...
6232B Module 08
... After you have created the new index, the developer noted the cost of the sort operation and tried to create another index that would eliminate the sort. You need to explain to him why SQL Server has decided not to use this index. Later you will learn to set up a basic query tuning trace in SQL Serv ...
... After you have created the new index, the developer noted the cost of the sort operation and tried to create another index that would eliminate the sort. You need to explain to him why SQL Server has decided not to use this index. Later you will learn to set up a basic query tuning trace in SQL Serv ...
Introduction to Spatial Databases
... biosynthesis gene in the genome found in any other sequence feature map in the database ? Astronomer:Find all blue galaxies within 2 arcmin of quasars. Exercise: List two ways you have used spatial data. Which software did you use to manipulate spatial data? ...
... biosynthesis gene in the genome found in any other sequence feature map in the database ? Astronomer:Find all blue galaxies within 2 arcmin of quasars. Exercise: List two ways you have used spatial data. Which software did you use to manipulate spatial data? ...
Special Issue: Web 2.0, Semantics, Knowledge and Grid
... distributed computing model is introduced and a Grid architecture GRIDspace is discussed. Semantic Web plays an important role in making the description of Web resources more machineunderstandable, which can be used as the basic data model and query model to support heterogeneous resource management ...
... distributed computing model is introduced and a Grid architecture GRIDspace is discussed. Semantic Web plays an important role in making the description of Web resources more machineunderstandable, which can be used as the basic data model and query model to support heterogeneous resource management ...
Mining Association Rules between Sets of Items in Large Databases
... By an association rule, we mean an implication of the form X =) Ij , where X is a set of some items in I , and Ij is a single item in I that is not present in X. The rule X =) Ij is satis ed in the set of transactions T with the con dence factor 0 c 1 i at least c% of transactions in T that sat ...
... By an association rule, we mean an implication of the form X =) Ij , where X is a set of some items in I , and Ij is a single item in I that is not present in X. The rule X =) Ij is satis ed in the set of transactions T with the con dence factor 0 c 1 i at least c% of transactions in T that sat ...
Data Model as an Architectural View
... and their relationships. The data model for a given system can be seen as an architectural view. Code units (e.g., classes, packages) and runtime components (e.g., processes, threads) are most commonly regarded as software architecture elements. However, a software architecture document may contain ...
... and their relationships. The data model for a given system can be seen as an architectural view. Code units (e.g., classes, packages) and runtime components (e.g., processes, threads) are most commonly regarded as software architecture elements. However, a software architecture document may contain ...
Installation and setup
... Installation and setup Most of the off-the-shelf products these days come with an installer. These installation programs, besides copying files into the target folder also copy DLLs and OCXs into your Windows/System32 folder and change your system configuration. If these DLLs are ActiveX controls, t ...
... Installation and setup Most of the off-the-shelf products these days come with an installer. These installation programs, besides copying files into the target folder also copy DLLs and OCXs into your Windows/System32 folder and change your system configuration. If these DLLs are ActiveX controls, t ...
CHAPTER SLIDES\tmp ch11
... • Expert system: Replicates human experts • Natural language processing (NLP) system: Enables users to communicate with computers using a natural spoken or written language • Artificial intelligence (AI): Branch of computer science that deals with attempting to create computers that think like human ...
... • Expert system: Replicates human experts • Natural language processing (NLP) system: Enables users to communicate with computers using a natural spoken or written language • Artificial intelligence (AI): Branch of computer science that deals with attempting to create computers that think like human ...
An Incremental Algorithm for Mining Privacy
... performance will not be desirable.), because of this, randomization method is currently greatly applied to privacy preserving data mining [12, 13, 14, 15]. Randomization methods address the issue of privacy preserving by perturbing the data and reconstructing the distributions at an aggregate level ...
... performance will not be desirable.), because of this, randomization method is currently greatly applied to privacy preserving data mining [12, 13, 14, 15]. Randomization methods address the issue of privacy preserving by perturbing the data and reconstructing the distributions at an aggregate level ...
WhatIsCreated-databases
... Query = Make-Table Agents Append Query – ex. LanguageArtsClasses Query = Append to ProjectStaff Delete Query – ex. LanguageArtsClasses Query = Delete project Update Query – ex. LanguageArtsClasses Query = Update Budget Crosstab Query – ex. LanguageArtsClasses ex. Day Camp Query = Staff_Crosstab Docu ...
... Query = Make-Table Agents Append Query – ex. LanguageArtsClasses Query = Append to ProjectStaff Delete Query – ex. LanguageArtsClasses Query = Delete project Update Query – ex. LanguageArtsClasses Query = Update Budget Crosstab Query – ex. LanguageArtsClasses ex. Day Camp Query = Staff_Crosstab Docu ...
DBMS Lab
... Department table. But, in the Employee table all the employee records are from the first four departments only. Now a join operation on these two tables would retrieve only those rows where the department numbers are matching, i.e. either of those departments where some employee has been recruited. ...
... Department table. But, in the Employee table all the employee records are from the first four departments only. Now a join operation on these two tables would retrieve only those rows where the department numbers are matching, i.e. either of those departments where some employee has been recruited. ...
Relational model
The relational model for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by Edgar F. Codd. In the relational model of a database, all data is represented in terms of tuples, grouped into relations. A database organized in terms of the relational model is a relational database.The purpose of the relational model is to provide a declarative method for specifying data and queries: users directly state what information the database contains and what information they want from it, and let the database management system software take care of describing data structures for storing the data and retrieval procedures for answering queries.Most relational databases use the SQL data definition and query language; these systems implement what can be regarded as an engineering approximation to the relational model. A table in an SQL database schema corresponds to a predicate variable; the contents of a table to a relation; key constraints, other constraints, and SQL queries correspond to predicates. However, SQL databases deviate from the relational model in many details, and Codd fiercely argued against deviations that compromise the original principles.