![Optimizing Data Analysis with a Semi-structured Time Series Database Splunk Inc. Abstract](http://s1.studyres.com/store/data/008072790_1-a09a8e052aa8df922f504bf8645bffd2-300x300.png)
Optimizing Data Analysis with a Semi-structured Time Series Database Splunk Inc. Abstract
... time, source, sourcetype, host and event text. Sourcetype is a concept that is used in Splunk to group similar data sources, and is determined by looking at rules on the source or via a clustering algorithm on data content. Based on the value of some of these fields users can choose to rely on autom ...
... time, source, sourcetype, host and event text. Sourcetype is a concept that is used in Splunk to group similar data sources, and is determined by looking at rules on the source or via a clustering algorithm on data content. Based on the value of some of these fields users can choose to rely on autom ...
An Online Data Access System for a Finite Element Program ABSTRACT
... Several general approaches for organizing the data models have been developed. They are: the hierarchical approach, the network approach, the relational approach, and the object-oriented approach. The relational model has been adopted in several finite element programs [3,30,35]. No matter which dat ...
... Several general approaches for organizing the data models have been developed. They are: the hierarchical approach, the network approach, the relational approach, and the object-oriented approach. The relational model has been adopted in several finite element programs [3,30,35]. No matter which dat ...
Introduction to Object-Relational Database Development
... a means of expressing operations in a high-level language, and a set of design principles that ensured the elimination of certain kinds of redundant data problems. Codd’s relational model views data as being stored in tables containing a variable number of rows (or records), each of which has a fixe ...
... a means of expressing operations in a high-level language, and a set of design principles that ensured the elimination of certain kinds of redundant data problems. Codd’s relational model views data as being stored in tables containing a variable number of rows (or records), each of which has a fixe ...
CAA2014 21st century Archeaology - Université Paris 1 Panthéon
... beside texts, an archaeological approach. In order to achieve this project, we are compiling both a ‘Gazetteer of archaeological sites of ancient Lucania’ and an ‘Inventory of Lucanian antiquities’. To manage and organize our data, we needed to develop a relational database providing a simple and ef ...
... beside texts, an archaeological approach. In order to achieve this project, we are compiling both a ‘Gazetteer of archaeological sites of ancient Lucania’ and an ‘Inventory of Lucanian antiquities’. To manage and organize our data, we needed to develop a relational database providing a simple and ef ...
Slide 1
... • Current database systems can be classified by extent to which they support processing and data distribution • DDBMS characteristics are best described as a set of transparencies • A transaction is formed by one or more database requests • A database can be replicated over several different sites o ...
... • Current database systems can be classified by extent to which they support processing and data distribution • DDBMS characteristics are best described as a set of transparencies • A transaction is formed by one or more database requests • A database can be replicated over several different sites o ...
A test bed for online Risk Indicator Maps
... Graphics [2], and the output can be seen at the RIMapper website [3]. This paper presents results of the second phase, in which the central issue was the online generation of the RIMs by a web application from a spatial database back end. This focus can be seen outlined in the conceptual set-up for ...
... Graphics [2], and the output can be seen at the RIMapper website [3]. This paper presents results of the second phase, in which the central issue was the online generation of the RIMs by a web application from a spatial database back end. This focus can be seen outlined in the conceptual set-up for ...
Distributed Databases
... sites Advantages and disadvantages are the same as for horizontal partitioning except that combining data across partitions is more difficult because it requires joins (instead of unions) Chapter 13 ...
... sites Advantages and disadvantages are the same as for horizontal partitioning except that combining data across partitions is more difficult because it requires joins (instead of unions) Chapter 13 ...
Lecture Notes
... social security number—there is only one per person. That explains in part why so many companies and organizations ask for your social security number when you do business with them. In a relational database, each table contains a primary key, a unique identifier for each record. To make sure the ta ...
... social security number—there is only one per person. That explains in part why so many companies and organizations ask for your social security number when you do business with them. In a relational database, each table contains a primary key, a unique identifier for each record. To make sure the ta ...
CHAP11
... 3 Global optimization • Order in which to execute query fragments. • Data movement between sites. • Where parts of the query will be executed. Copyright © 1999 Addison Wesley Longman, Inc. ...
... 3 Global optimization • Order in which to execute query fragments. • Data movement between sites. • Where parts of the query will be executed. Copyright © 1999 Addison Wesley Longman, Inc. ...
SelfStudy1 - Computing at Northumbria University
... Semantic interpretation of the calculus is given in a set, so either all type domains of the relational schema (domain calculus), or the set of all relations in the database (tuple calculus) can serve a model for it All meaningful sentences in the model are true or false, so the relation tuples can ...
... Semantic interpretation of the calculus is given in a set, so either all type domains of the relational schema (domain calculus), or the set of all relations in the database (tuple calculus) can serve a model for it All meaningful sentences in the model are true or false, so the relation tuples can ...
Data Warehouse: design and implementation
... All changes to data are written to the movement database. Where information is needed to fill in missing values in movement data, values are read from the current picture. Daily movement data from, the previous day's business comes from the audit dataset by way of the incremental load. As a table is ...
... All changes to data are written to the movement database. Where information is needed to fill in missing values in movement data, values are read from the current picture. Daily movement data from, the previous day's business comes from the audit dataset by way of the incremental load. As a table is ...
Survey Presentation in Multilevel Secure Database
... Define the label access rules to determine which users has authority to access a labeled data row in a database table. Two Access Rules Categories: Read Access Rules and Write Access Rules Example ...
... Define the label access rules to determine which users has authority to access a labeled data row in a database table. Two Access Rules Categories: Read Access Rules and Write Access Rules Example ...
Chapter 21:Application Development and Administration
... Vertically partition relations to isolate the data that is accessed most often -- only fetch needed information. • E.g., split account into two, (account-number, branch-name) and (account-number, balance). • Branch-name need not be fetched unless required Improve performance by storing a denormali ...
... Vertically partition relations to isolate the data that is accessed most often -- only fetch needed information. • E.g., split account into two, (account-number, branch-name) and (account-number, balance). • Branch-name need not be fetched unless required Improve performance by storing a denormali ...
Chapter Outline
... Visual Basic and Databases • VB projects can display and update the data from database files • VB.NET uses ADO.NET for database access • ADO.NET is the next generation of database technology, based on Microsoft's previous version ActiveX Data Objects (ADO) ...
... Visual Basic and Databases • VB projects can display and update the data from database files • VB.NET uses ADO.NET for database access • ADO.NET is the next generation of database technology, based on Microsoft's previous version ActiveX Data Objects (ADO) ...
10. Creating and Maintaining Geographic Databases Learning
... structured and indexed to provide efficient query and transaction ...
... structured and indexed to provide efficient query and transaction ...
database-sql - CyberInfrastructure and Geospatial Information
... • The standard for relational database management systems (RDBMS) • SQL-92 and SQL-99 Standards – Purpose: o Specify syntax/semantics for data definition and manipulation o Define data structures o Enable portability o Specify minimal (level 1) and complete (level 2) standards o Allow for later grow ...
... • The standard for relational database management systems (RDBMS) • SQL-92 and SQL-99 Standards – Purpose: o Specify syntax/semantics for data definition and manipulation o Define data structures o Enable portability o Specify minimal (level 1) and complete (level 2) standards o Allow for later grow ...
Teradata University Network - Journal of Information Systems
... and unzipped, is ready for use. Neither tool requires licensing and can be used in an unrestricted fashion. 3.5 Demonstrations and Trial Copies TUN offers access to classroom demonstrations and trial copies of expert system tools, ETL tools, data mining tools, data quality and integration tools. TUN ...
... and unzipped, is ready for use. Neither tool requires licensing and can be used in an unrestricted fashion. 3.5 Demonstrations and Trial Copies TUN offers access to classroom demonstrations and trial copies of expert system tools, ETL tools, data mining tools, data quality and integration tools. TUN ...
Physical Database Design - NUS School of Computing
... 21. Recommending Object Placement – Allocating databases and their objects on available hardware to achieve optimal performance. ...
... 21. Recommending Object Placement – Allocating databases and their objects on available hardware to achieve optimal performance. ...
Ch8_Storage_Indexing..
... also implies Alternative 1 (since sorted files are rare). A file can be clustered on at most one search key. Cost of retrieving data records through index varies greatly based on whether index is clustered or not! ...
... also implies Alternative 1 (since sorted files are rare). A file can be clustered on at most one search key. Cost of retrieving data records through index varies greatly based on whether index is clustered or not! ...
formerly Compaq NonStop™ ISG Navigator
... Cost-based query optimizer The cost-based query optimizer fulfills a critical performance role because many data sources do not have their own query processing or optimization capabilities. In addition, a heterogeneous query may access a number of different data sources and global optimization needs ...
... Cost-based query optimizer The cost-based query optimizer fulfills a critical performance role because many data sources do not have their own query processing or optimization capabilities. In addition, a heterogeneous query may access a number of different data sources and global optimization needs ...
2008 Prentice-Hall, Inc.
... Explain what a database is and describe its basic structure. Identify the kinds of problems that can be best solved with database software. Describe different kinds of database software, from simple file managers to complex relational databases. ...
... Explain what a database is and describe its basic structure. Identify the kinds of problems that can be best solved with database software. Describe different kinds of database software, from simple file managers to complex relational databases. ...
CH09
... 9.4 Relvar Predicates and Database Predicates The relvar predicate for R is the logical And or conjunction of all of the constraints that apply to relvar R. The Golden Rule No update operation must ever assign to any relvar a value that causes its relvar predicate to evaluate to FALSE. The da ...
... 9.4 Relvar Predicates and Database Predicates The relvar predicate for R is the logical And or conjunction of all of the constraints that apply to relvar R. The Golden Rule No update operation must ever assign to any relvar a value that causes its relvar predicate to evaluate to FALSE. The da ...